GPT-5.1-Codex
Model
by OpenAI
Vendor:OpenAI
│Model Size:Unknown
│Total Context:128,000 tokens
│Max Output:16,000 tokens
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Specifications
Model Size
Unknown
Total Context
128.0K
Max Output
16.0K
Pricing
Input $1.25/M
Output $1.25/M
Performance Benchmarks
TerminalBench 2.0
60.4%
Command-line interface proficiency