OpenAI GPT-5 Chat Latest
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Context
400,000
Max output
128,000
Input / 1M
$1.13
Output / 1M
$9.00
Providers
4
01Profile
Profile
Released
2024-09-30
Last updated
2026-01
Knowledge cutoff
2024-09
Weights
Closed
02Capabilities
Capabilities
Input
text · image
Output
text
Reasoning
No
Tool calling
Yes
Structured output
No
Attachments
No
Cache read
—
Cache write
—
03Pricing
Pricing across 4 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
12+ recent events since 2024-09-30
2026-08-27ContextorcarouterMax output—→ 100,000
2026-08-07Removedllmgatewayofferingremoved→ new
2026-07-29Contextmerge-gatewayContext window—→ 128,000
2026-07-29Contextmerge-gatewayMax output—→ 16,384
2026-07-24Removedopenaiofferingremoved→ new
2026-06-03Price upllmgatewayinput / 1M—→ $1.25
2026-06-03Price upllmgatewayoutput / 1M—→ $10.00
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