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 GPT-5OpenAI | GPT-5.6 Sol OpenAI | GPT-5 Pro OpenAI | GPT-4.1 OpenAI | |
|---|---|---|---|---|
| Vendor | OpenAI | OpenAI | OpenAI | OpenAI |
| Family | GPT | GPT | GPT | GPT |
| Release date | 2025-08-07 | 2026-06-26 | 2025-08-07 | 2025-04-14 |
| Context window | 400,000 tokens | — | 400,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision, audio | text, vision, audio | text, vision, audio | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Flagship of OpenAI's GPT-5.6 three-model suite (Sol / Terra / Luna), released as a limited preview. Strong gains in coding, cybersecurity, biology, and long-horizon agentic work. Pricing: $5 / $30 per million input/output tokens. | Higher-reasoning variant of GPT-5, used for harder scientific and research tasks (e.g., immunology breakthroughs at NIH). Same 400K context as GPT-5; trades latency for depth. | — |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 85.1% | — | — | — |
| GPQA-D | 87.3% | — | — | — |
| HumanEval | 95.2% | — | — | — |
| Aider | 85.4% | — | — | — |
| AIME-25 | 91.0% | — | — | — |
| LiveCB | 74.5% | — | — | — |
| MMMU | 74.1% | — | — | — |
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Mistral Large 2maxMax 4 models. Remove one to add another.