GPT-5.1
openai/gpt-5.1
Sharper GPT-5 generation for coding, product work, and tool-assisted tasks
Capabilities
ReasoningYes
Tool callingYes
Structured outputYes
TemperatureFixed
AttachmentYes
Open weightsNo
Limits
Context400,000 tokens
Max input272,000 tokens
Max output128,000 tokens
Details
Familygpt
Knowledge cutoff2024-09-30
Release date2025-11-13
Last updated2025-11-13
Modalities
Inputtext, image
Outputtext
Community Rating
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Pricing
Cost per 1M tokens
InputN/A
OutputN/A