GPT-5.1-Codex (OpenAI)
View on OpenAIView on OpenRouterIdentity and capabilities
- Status
- Retired Jul 23, 2026
- Recommended replacement
- gpt-5.6-sol
- Local execution
- Not verified
- Context window
- 400,000
- Maximum output
- 128,000
- Image input
- Yes
- Reasoning
- Yes
- Tool calling
- Yes
- Release date
- First seen
- 2026-08-29 19:40:01Z UTC
- Last verified
Current offers - prices in USD · per 1M tokens
| OpenRouter | OpenAI | |
|---|---|---|
| Standard | Retired Jul 23, 2026 | |
| Cached input | $0.13 | $0.125 |
| Input | $1.25 | $1.25 |
| Output | $10 | $10 |
Active promotions
No officially confirmed promotion applies to this model.
Recent price changes
No price changes in the last 7 days.