GPT-5.1 Codex Max High
| Released | 2025-11-13 |
|---|---|
| Price per 1M | $1.25 in · $10.00 out |
| Overall score | 53.5 (early, few results) |
| Context window | 400,000 tokens |
| Provider | OpenAI |
| Weights | Proprietary |
| Configuration | High |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 53.5 | 3 | |
| Overall: Coding | 53.4 | 2 | |
| Overall: Reasoning | 52.4 | 1 | |
| Overall: Agentic work | 55.4 | 1 | |
| Overall: Frontend | 49.3 | 2 | |
| Coding | 55.4 | 1 | |
| Math | 52.4 | 1 | |
| Frontend | 46.2 | 1 | |
| Value vs price | −0.2 |
Evidence
Coding 55.4 ±5.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LiveCodeBench (Vals run) | 83.6% | Vals AI | 2026-09-01 |
Math 52.4 ±3.1
| Benchmark | Result | Source | Date |
|---|---|---|---|
| ProofBench | 9.0% | Epoch AI | 2026-11-11 |
Frontend 46.2 ±0.8
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Vibe Code Bench v1.1 | 22.2% | Vals AI | 2026-11-09 |
Names matched to this model
gpt-5-1-codex-max-high