Uptimeby GlyphOpenAI API Fast mode (formerly Priority processing) SLA
OpenAI · AI models · no public SLA · checked 47d ago
No public SLA, so there is no promise to test. Observed over 58 days: 100%.
Incidents, last 365 days
6.1 Sol Degraded Model Performance
A minor incident on Batch, Chat Completions, Responses for 78 min, not counted as downtime.
13 days ago
Elevated ChatGPT conversation and Responses API errorsA minor incident on Conversations, Responses for 6.5 h, not counted as downtime.
2 weeks ago
Elevated error rates for gpt-5.6-luna API requestsA minor incident on Chat Completions, Responses for 69 min, not counted as downtime.
2 weeks ago
Degraded performance in ChatGPT, Codex, and APIsA minor incident on Connectors/Apps, CLI, Codex in ChatGPT Desktop and 3 more for 22 min, not counted as downtime.
2 weeks ago
File Download errorsA minor incident on File uploads, Images, Files and 2 more for 42 min, not counted as downtime.
3 weeks ago
Errors processing large PDFs in the Responses APIA minor incident on Responses for 13 h, not counted as downtime.
4 weeks ago
Elevated latency for some API requestsA minor incident on Responses, Chat Completions for 3.5 h, not counted as downtime.
5 weeks ago
Elevated errors across ChatGPT, Codex, and the API including the Agents APIA minor incident on Login, Compliance API, File uploads and 3 more for 5.3 h, not counted as downtime.
5 weeks ago
We are seeing elevated error rates across API modelsA minor incident on Images, Batch, Chat Completions and 3 more for 60 min, not counted as downtime.
7 weeks ago
Elevated errors for GPT-5.6 Sol on the APIA minor incident on Chat Completions, Responses for 2.2 h, not counted as downtime.
8 weeks ago
Commitments and credits
Docs FAQ: 'Fast mode for GPT-6 Astra does not include a latency SLA. For GPT-5.6 and earlier models, Fast mode and Scale Tier receive the same service-level agreement treatment, and eligible Enterprise agreements may provide service credits when latency targets aren't met.' No numbers are stated on the Fast mode page itself, so tiers is empty (the Scale Tier numbers may apply by reference but that is not stated explicitly).
SLA changes
OpenAI API Fast mode (formerly Priority processing)
The SLA page text changed (9 sentences added, 11 removed); not yet reviewed.
2 weeks agoPage
OpenAI API Fast mode (formerly Priority processing)
Priority processing renamed Fast mode ('Priority processing was renamed Fast mode on July 30, 2026'); service_tier 'priority' still accepted.
3 months agoSource
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Terms, exclusions and sources
- Measured
- Latency targets referenced but not published; SLA terms live in Enterprise agreements.
- How to claim
- Contact your account director
- Not covered
- GPT-6 Astra: no latency SLA; Fine-tuned models and embeddings not supported; SLA credits only under eligible Enterprise agreements
- Status history
- Status history since Sep 9, 2026
- Weighted uptime
- All incidents, weighted: 99.122% · Downtime