GPT-5.1
Model
by OpenAI
Vendor:OpenAI
│Model Size:Unknown
│Context Window:400,000 tokens
│Max Output:128,000 tokens
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Specifications
Model Size
Unknown
Total Context
400.0K
Max Output
128.0K
Pricing
Input $1.25/M
Output $10/M
Cache $0.125/M
Performance Benchmarks
components.product.sweBench
66.0%
components.product.sweBenchDesc
components.product.terminalBench
47.6%
components.product.terminalBenchDesc
components.product.mmmu
76.0%
components.product.mmmuDesc