GPT 5.1
Release Date: 11/13/2025
Benchmarked by 
GPT-5.1 is OpenAI's flagship model for coding and agentic tasks with configurable reasoning and non-reasoning effort.
Avg. Accuracy
66.92%
Latency
382.36s
Cost (In/Out)
1.25 / 10
Context Window
400k
Max Output Tokens
128k
Input Modality
Hyperparameter settings
Default Provider :
OpenAI
Some benchmarks may use different provider and parameters. Please refer to the benchmark page for more information.
Temperature
Default
Top P
Default
Top K
Default
Max Output Tokens
128,000
Reasoning Effort
high
Benchmarks
Accuracy
Rankings
Academic Benchmarks
Proprietary Benchmarks (contact us to get access)