Updated 24h ago
OpenAI vs Anthropic SLA
Promised uptime per service, credits, support and what the status pages showed, side by side.
Change vendors (up to four; 2 picked)
VendorHighest SLAWith an SLAFastest support
Promise vs reality
ServiceDowntime vs allowed
Claude API Priority TierAnthropic99.5% / 98.8%
OpenAI API Scale TierOpenAI99.9% / 100%
Promised in the SLAObserved on the vendor's status pagePartial historyShortfall
Best SLA by category
| Category | OpenAI | Anthropic |
|---|---|---|
| AI models | 99.9%OpenAI API Scale Tier | 99.5%Claude API Priority Tier |
Support: fastest first response
Vendor and planFastestTargets
Popular comparisons
Sources: each vendor's own SLA page (re-read monthly) and status page feed (read every Friday). A summary, not the contract: the contract you sign governs. Logos via logo.dev; trademarks belong to their owners.