Claude API (Standard tier) SLAAnthropic · AI models · Anthropic · AI models
Promise vs reality
No public SLA, so there is no promise to test. How this is measured
All incidents, weighted: 94.774% · Downtime- Promised
- None
- Observed, 365d
- 98.76%
- Major incident time
- 4.5 d
- Credit on first breach
- n/a
Commitments and credits
Service tiers doc: 'The API prioritizes these requests alongside all other requests with best-effort availability.' Commercial Terms L.2: 'THE SERVICES AND OUTPUTS ARE PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND'. Service Specific Terms and claude.com pricing/enterprise pages contain no SLA or uptime text.
Terms
- Measured
- No uptime commitment; best-effort.
Not covered
- Services provided 'AS IS' and 'AS AVAILABLE'
- No published uptime or credit schedule
- Any SLA only via negotiated enterprise contract
Evidence: incidents, last 365 days
- Sep 22, 2026Elevated errors for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Sep 15, 2026Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Sep 11, 2026Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Sep 10, 2026Elevated latency on the Claude API for some usersClaude API (api.anthropic.com), Claude CoworkMinor
- Sep 3, 2026Elevated errors for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Sep 3, 2026Elevated errors for Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Sep 2, 2026Elevated errors for Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Sep 1, 2026Delays in credit purchasesClaude Console (platform.claude.com)Minor
- Sep 1, 2026Degraded performance on platform.claude.com and Claude for Microsoft Office 365claude.ai, Claude Console (platform.claude.com)Minor
- Aug 24, 2026Elevated errors for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Aug 20, 2026Elevated errors on requests to multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Aug 20, 2026Elevated errors on Google connectorsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 19, 2026Degraded performance for Claude Opus 5 and Claude Haiku 4.5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 18, 2026Degraded performance for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 17, 2026Degraded performance for Claude Opus 5, Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 16, 2026Service disruption on Claude servicesclaude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude CoworkOutage
- Aug 14, 2026Service disruption on Claude servicesClaude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Aug 13, 2026Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkDegraded
- Aug 12, 2026Degraded performance for multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 5, 2026Degraded performance for Claude Opus 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 5, 2026Degraded performance of multiple modelsclaude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 4, 2026Elevated errors on Claude Sonnet 5claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude CodeMinor
- Aug 4, 2026Elevated errors on Claude Sonnet 5claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude CodeMinor
- Aug 3, 2026Degraded performance on Claude Sonnet 5claude.ai, Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
- Aug 3, 2026Error rates across multiple modelsclaude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude CoworkMinor
Other ai models SLAs
ServiceDowntime vs allowed
Amazon BedrockAWS99.9% / 99.178%
Vertex AI (Gemini API on Vertex)Google Cloud99.9% / 100%
Azure OpenAI in Foundry ModelsMicrosoft Azure99.9% / n/a
Claude API Priority TierAnthropic99.5% / 98.8%
Cohere API (SaaS: Command, Embed, Rerank)Coherenone / 100%
Hugging Face Inference EndpointsHugging Facenone / n/aNo public SLA
Promised in the SLAObserved on the vendor's status pagePartial historyShortfall
Summaries of published SLAs; the contract you sign governs. Logos via logo.dev; trademarks belong to their owners.