OpenAI: GPT-5.1-Codex-Max
7.7 / 10
400K context
Proprietary
About this model
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
Benchmark Scores
SWE-Bench-Verified
76.8
Technical Specs
- Architecture: text+image->text
- Context Window: 400,000 tokens
- Input Modalities: text
Hardware Requirements
- API-only (no local hardware needed)
Pricing
| Input | Output | Currency |
|---|---|---|
| 1.25 / 1M tokens | 10.0 / 1M tokens | USD |