# Tenzai Tenzai declares [12 subprocessors](https://thirdpartyindex.com/vendors/tenzai#subprocessors) in [its subprocessor list](https://trust.tenzai.com/?itemUid=e3fae2ca-94a9-416b-b577-5c90e382df57), which we last checked on 2026-10-26 ([evidence](https://thirdpartyindex.com/evidence/85327)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud) and [OpenAI](https://thirdpartyindex.com/vendors/openai). No published changes since we first read it on 2026-10-12. Tenzai (tenzai.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/tenzai - Documents last verified: 2026-10-26 - Transparency rating: 72/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 0/12 (not found); Trust center 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 0/5 (not found); Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Supply chain: relies on 12 tracked vendors directly, 115 within two hops, 317 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three - Cite as: Tenzai, Third Party Index, https://thirdpartyindex.com/vendors/tenzai (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Trust center | https://trust.tenzai.com/ | 2026-10-26 | 2026-10-12 | | Subprocessor list | https://trust.tenzai.com/?itemUid=e3fae2ca-94a9-416b-b577-5c90e382df57 | 2026-10-26 | 2026-10-12 | | Privacy policy | https://www.tenzai.com/privacy-policy | 2026-10-26 | 2026-10-12 | | Terms | https://www.tenzai.com/terms-of-service | 2026-10-26 | 2026-10-12 | | Status page | https://status.tenzai.com/ | 2026-10-26 | 2026-10-12 | ## Subprocessors (12) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Amazon Web Services (AWS)](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud infrastructure | Global | 2026-10-12 | | [Anthropic](https://thirdpartyindex.com/vendors/anthropic.md) (AI model provider: Anthropic) | AI/LLM | United States | 2026-10-12 | | [Datadog](https://thirdpartyindex.com/vendors/datadog.md) | Monitoring & Logging | United States | 2026-10-12 | | [Fireworks AI](https://thirdpartyindex.com/vendors/fireworks.md) (AI model provider: Fireworks) | Used for cloud hosting and AI model inference | United States | 2026-10-12 | | [Google Workspace](https://thirdpartyindex.com/vendors/google-cloud.md) | User management, email services and SSO platform | United States | 2026-10-12 | | [Groundcover](https://thirdpartyindex.com/vendors/groundcover.md) | Monitoring & Logging | Israel | 2026-10-12 | | [HubSpot](https://thirdpartyindex.com/vendors/hubspot.md) | CRM | United States | 2026-10-12 | | [Linear](https://thirdpartyindex.com/vendors/linear.md) | Engineering project and issue tracking | United States | 2026-10-12 | | [Notion](https://thirdpartyindex.com/vendors/notion-com.md) | Internal documentation and knowledge management | United States | 2026-10-12 | | [OpenAI](https://thirdpartyindex.com/vendors/openai.md) (AI model provider: OpenAI) | AI/LLM | United States | 2026-10-12 | | [Slack](https://thirdpartyindex.com/vendors/slack.md) | Internal communications | United States | 2026-10-12 | | [xAI](https://thirdpartyindex.com/vendors/spacexai.md) (AI model provider: xAI) | Used for cloud hosting and AI model inference | United States | 2026-10-12 | Read from ([evidence](https://thirdpartyindex.com/evidence/85327)). CSV: https://thirdpartyindex.com/vendors/tenzai/subprocessors.csv AI model providers (or a cloud provider's AI model service) among these entries: 4. All vendors that list one: https://thirdpartyindex.com/ai ## Compliance As its trust center lists them. - Audited: SOC 2 Type II, SOC 2 Type I ([evidence](https://thirdpartyindex.com/evidence/85322)) ## Web Technologies Tenzai's homepage made 46 requests to 16 domains, 5 services controlled by another company, and 1 domain not identified. Loaded on 2026-10-14 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data. 5 third parties by category: Advertising 1 (Google Cloud); Analytics 1 (LinkedIn); Marketing automation 1 (HubSpot); CDN 1 (jsDelivr); JavaScript libraries 1 (Webflow). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these. ### Third parties (5) - Webflow: 20 requests to website-files.com, d3e54v103j8qbb.cloudfront.net; Webflow 1.6.0, jQuery 3.5.1 - Google Cloud: 10 requests to google.com, doubleclick.net, googletagmanager.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager (its subprocessor list names it too) - HubSpot: 7 requests to hs-scripts.com, hscollectedforms.net, hs-analytics.net, hs-banner.com, hubspot.com; HubSpot (its subprocessor list names it too) - LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag - jsDelivr: 2 requests to jsdelivr.net; jsDelivr ### Unknown (1) Domains not identified yet: webflow.services ### First party (1) - Tenzai: 3 requests to tenzai.com, tenzai.vercel.app; Cloudflare, GSAP 3.15.0, HSTS, Linkedin Ads, Open Graph, Priority Hints, Three.js 184, Webpack 3 tracked companies loaded by the homepage are not in Tenzai's subprocessor list. A website can use a service without it processing customer data. ## Subprocessor of (0) No tracked vendor lists it. ## Incidents reported by Tenzai's subprocessors Incidents reported in the last 30 days on their own status pages by 7 vendors Tenzai lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-10-26: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Ads POST /ads/\* endpoints elevated error rates (minor) - 2026-10-26: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Tenzai lists as a subprocessor, reported Elevated Error Rates for Workflow Automation, App Builder, Bits Code, Bits Agent Builder (major) - 2026-10-25: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors for Claude Fable 5.1 (major) - 2026-10-25: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors for Claude Sonnet 5.5 and other models (major) - 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors for Claude Fable 5 and Claude Fable 5.1 (major) - 2026-10-24: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major) - 2026-10-23: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 (critical) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Degraded experience with ChatGPT app connections using CIMD (minor) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Help Center Chat Support Degraded (no impact stated) - 2026-10-23: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Tenzai lists as a subprocessor, reported Some HubSpot tools may be unavailable for some users (no impact stated) - 2026-10-23: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-23: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Delays in customer support responses (no impact stated) - 2026-10-23: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Users unable to access Notion (critical) - 2026-10-23: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported PHP2Shell (CVE-2026-109618, CVE-2026-109619) (no impact stated) - 2026-10-22: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for DeepSeek V4.1 Flash 1017 (minor) - 2026-10-22: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for DeepSeek V4.1 Flash 1017 (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported New Ad Accounts failing to provision admins (minor) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Degraded Performance of Dots on Enterprise (minor) - 2026-10-22: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for DeepSeek V4.1 Flash 1017 (minor) - 2026-10-22: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors affecting Connectors (minor) - 2026-10-22: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Notion MCP query\_data\_source tool is temporarily unavailable in Claude clients (major) - 2026-10-22: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated ChatGPT conversation and Responses API errors (minor) - 2026-10-22: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-22: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Tenzai lists as a subprocessor, reported Update on PHP security vulnerability (no impact stated) - 2026-10-22: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-22: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Authentication errors for some users (major) - 2026-10-21: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Degraded performance for Claude Fable 5 (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated error rates for gpt-5.6-luna API requests (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated FedRAMP API error rates for Astra and Sol (minor) - 2026-10-21: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for DeepSeek V4.1 Flash 1017 (minor) - 2026-10-21: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-21: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Degraded performance in ChatGPT, Codex, and APIs (minor) - 2026-10-21: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 Flash (minor) - 2026-10-20: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-20: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-20: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Security update: Preventative certificate security measures (no impact stated) - 2026-10-20: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Unable to install connections created by other workspace members (major) - 2026-10-20: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Kimi K3 (minor) - 2026-10-20: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Elevated latency on some serverless models (no impact stated) - 2026-10-19: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-19: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-19: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported File Download errors (minor) - 2026-10-19: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Kimi K3 (minor) - 2026-10-18: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Some Notion Agent requests may stop before completion (minor) - 2026-10-18: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-18: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-17: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-17: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-15: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Widespread feature degradation (major) - 2026-10-15: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Kimi K3 (minor) - 2026-10-15: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-15: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Kimi K3 (minor) - 2026-10-14: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported CSP outage affecting multiple serverless models (minor) - 2026-10-14: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Cursor-powered Custom Agents unable to load Notion tools (no impact stated) - 2026-10-14: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-14: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 Fast (minor) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Limited availability on gpt-image-2.5-flare and gpt-image-2.5-sunburst (minor) - 2026-10-14: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Degraded performance in Codex and ChatGPT Work (minor) - 2026-10-14: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-13: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Form submission issues (resolved) (no impact stated) - 2026-10-13: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Degraded performance in Notion and the Notion API (no impact stated) - 2026-10-13: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-13: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Degraded performance in GPT-6.1 Sol Codex and Work mode (minor) - 2026-10-13: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-12: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-12: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-12: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Kimi K3 (minor) - 2026-10-12: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-12: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-11: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-10: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Kimi K3 Fast (minor) - 2026-10-10: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-10: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Workspace admins may be unable to manage plugins (major) - 2026-10-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Some ChatGPT content may be unavailable on Android (major) - 2026-10-09: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Delayed Costs data in the Compliance API (minor) - 2026-10-08: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 Flash (minor) - 2026-10-08: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 Flash (minor) - 2026-10-08: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Tenzai lists as a subprocessor, reported Marketing email statistics are delayed (no impact stated) - 2026-10-08: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Some APAC users are seeing errors in ChatGPT Work, conversations, and GPTs. (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated errors with GPT-5.6 Instant in FedRAMP workspaces (minor) - 2026-10-07: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-07: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Issue with spend limits (no impact stated) - 2026-10-07: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Degraded performance in Codex and Work mode: Dot turn failures, delayed responses, and reduced proactivity (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Dot in Codex may fail to create new threads (minor) - 2026-10-07: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors on platform.claude.com (major) - 2026-10-07: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 Flash (minor) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Unable to create new ChatGPT Work threads in latest version of desktop app (major) - 2026-10-07: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors loading usage data on platform.claude.com (major) - 2026-10-07: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Workspace Agents Degraded and Responses Impacted (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Computer Use Is Experiencing Issues (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Errors processing large PDFs in the Responses API (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated error rates in ChatGPT Go conversations (minor) - 2026-10-06: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors for Claude Opus 5.5 (major) - 2026-10-06: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Delayed live updates in pages and databases (minor) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated errors affecting multiple products including ChatGPT (conversations), Image generations, Spaces and Pages, API rehydration, and Dots. (minor) - 2026-10-06: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Degraded performance for Notion AI (no impact stated) - 2026-10-06: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated errors in API Platform login and administration APIs. (minor) - 2026-10-05: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated error rates in Codex Cloud (no impact stated) - 2026-10-05: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Kimi K3 US (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated errors in ChatGPT conversations (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Admin Console Intermittently Inaccessible (no impact stated) - 2026-10-05: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Qwen 3.8 Max (minor) - 2026-10-05: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 (major) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Issues saving and editing Pages (minor) - 2026-10-05: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Page loading and editing may be slower than expected (minor) - 2026-10-05: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated Work Mode errors (minor) - 2026-10-05: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-04: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-10-02: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for GLM 5.3 Fast (minor) - 2026-10-02: [HubSpot](https://thirdpartyindex.com/vendors/hubspot#status), which Tenzai lists as a subprocessor, reported HubSpot is experiencing issues (no impact stated) - 2026-10-02: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Issues with data analysis and file creation in ChatGPT (minor) - 2026-10-02: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Tenzai lists as a subprocessor, reported Delayed RUM sessions (no impact stated) - 2026-10-01: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Issues with login, signup, and ads (major) - 2026-10-01: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Delayed credits on the Claude Platform (minor) - 2026-10-01: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported Public API returning 500 errors (minor) - 2026-10-01: [Fireworks](https://thirdpartyindex.com/vendors/fireworks#status), which Tenzai lists as a subprocessor, reported Service Degradation for Deepseek V4.1 Flash (minor) - 2026-09-30: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Tenzai lists as a subprocessor, reported Delayed Events (minor) - 2026-09-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated latency for some API requests (minor) - 2026-09-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated error rates for ChatGPT Pro and Plus users (minor) - 2026-09-30: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated errors in ChatGPT Space Pages (minor) - 2026-09-29: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Elevated errors across ChatGPT, Codex, and the API including the Agents API (minor) - 2026-09-29: [OpenAI](https://thirdpartyindex.com/vendors/openai#status), which Tenzai lists as a subprocessor, reported Support available via email (no impact stated) - 2026-09-29: [Anthropic](https://thirdpartyindex.com/vendors/anthropic#status), which Tenzai lists as a subprocessor, reported Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API (major) - 2026-09-29: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported AI Meeting Notes transcription may not start (minor) - 2026-09-28: [Notion](https://thirdpartyindex.com/vendors/notion-com#status), which Tenzai lists as a subprocessor, reported AI Connector search results to be unavailable. (no impact stated) - 2026-09-27: [Linear](https://thirdpartyindex.com/vendors/linear#status), which Tenzai lists as a subprocessor, reported EU sync failure (critical) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/tenzai --- Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api