gpt-5.1-2025-11-12
by OpenAI
· GPT 5.1 family · released Nov 12, 2025
Closed
Active
Adaptive reasoning with better instruction following.
Pricing
Launch price (from Nov 12, 2025)
$1.25 in / $10.00 out per 1M tokens
Current price (since Nov 12, 2025)
$1.25 in / $10.00 out per 1M tokens
Cache read: $0.125/M
| Tier | Effective | In $/M | Out $/M | Cache $/M | Per image | Per second | Source |
|---|---|---|---|---|---|---|---|
| Standard | Nov 12, 2025 – now | $1.25 | $10.00 | $0.125 | - | - | - |
| Batch | Nov 12, 2025 – now | $0.625 | $5.00 | - | - | - | - |
Specifications
| Model type | Multimodal |
|---|---|
| Architecture | MoE |
| Parameters | Not disclosed |
| Context window | 400K tokens |
| Max output | 128K tokens |
| Knowledge cutoff | Sep 1, 2025 |
| License | Proprietary |
| Modalities | Text input Image input Text output |
| Tags | Agentic Flagship Tool use |
| End of life | Not disclosed |
| Last verified | Aug 20, 2026 |
Benchmarks
| Benchmark | Score | Src |
|---|---|---|
| LMSYS Chatbot Arena Elo | 1,463 | - |