Best Input Price
$1.00 / 1M
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Context Window
400,000 tokens
Reasoning
Supported
Tool Calling
Supported
Released
2025-12-08
Inference Providers (9)
| Provider | Model ID | Context | Input / 1M | Output / 1M | Action |
|---|---|---|---|---|---|
| Ofox | openai/gpt-5.1-codex-max | 256,000 | $1.00 | $8.00 | Docs ↗ |
| Poe | openai/gpt-5.1-codex-max | 400,000 | $1.10 | $9.00 | Docs ↗ |
| Kilo Gateway | openai/gpt-5.1-codex-max | 400,000 | $1.25 | $10.00 | Docs ↗ |
| OpenRouter | openai/gpt-5.1-codex-max | 400,000 | $1.25 | $10.00 | Docs ↗ |
| Azure | gpt-5.1-codex-max | 400,000 | $1.25 | $10.00 | Docs ↗ |
| Azure Cognitive Services | gpt-5.1-codex-max | 400,000 | $1.25 | $10.00 | Docs ↗ |
| Vercel AI Gateway | openai/gpt-5.1-codex-max | 400,000 | $1.25 | $10.00 | Docs ↗ |
| Eden AI | azure/gpt-5.1-codex-max | 272,000 | $1.25 | $10.00 | Docs ↗ |
| NanoGPT | openai/gpt-5.1-codex-max | 400,000 | $2.50 | $20.00 | Docs ↗ |