GPT-5.1 (OpenAI)
View on OpenAIView on OpenRouterIdentity and capabilities
- Status
- Deprecated · retires Apr 1, 2027
- Recommended replacement
- gpt-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 | Deprecated · retires Apr 1, 2027 | |
| Cached input | $0.125 | $0.125 |
| Input | $1.25 | $1.25 |
| Output | $10 | $10 |
| Batch / Flex · Base context | Batch only | Deprecated · retires Apr 1, 2027 |
| Cached input | $0.0625 | $0.0625 |
| Input | $0.625 | $0.625 |
| Output | $5 | $5 |
| Fast | Deprecated · retires Apr 1, 2027 | |
| Cached input | $0.25 | |
| Input | $2.5 | |
| Output | $20 |
Active promotions
No officially confirmed promotion applies to this model.
Recent price changes
- Price listed
- Cache write: Not listed
- Cache write (batch): Not listed