gpt-5.1-chat-latest
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Context
400,000
Max output
128,000
Input / 1M
$1.25
Output / 1M
$10.00
Providers
5
01Profile
Profile
Released
2025-11-14
Last updated
2025-11-14
Knowledge cutoff
2024-09-30
Weights
Closed
02Capabilities
Capabilities
Input
text · image
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 5 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
12+ recent events since 2025-11-14
2026-07-24Removedopenaiofferingremoved→ new
2026-06-03Price upmerge-gatewayinput / 1M—→ $1.25
2026-06-03Price upmerge-gatewayoutput / 1M—→ $10.00
2026-06-03Removednano-gptofferingremoved→ new
2026-05-27Addedmerge-gatewayoffering→ new
2026-05-15Addedorcarouteroffering→ new
2026-02-17Addednano-gptoffering→ new
2026-02-05Removedjiekouofferingremoved→ new
2026-01-30Addedjiekouoffering→ new
2026-01-15Context302aiMax output—→ 16,384
2026-01-13Added302aioffering→ new
2025-12-31Addedabacusoffering→ new