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 GPT-5 ProOpenAI |  Claude 4.5 HaikuAnthropic | o3 OpenAI |  Mistral Large 2Mistral | |
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | OpenAI | Mistral |
| Family | GPT | Claude | o-series | Mistral |
| Release date | 2025-08-07 | 2025-10-01 | 2025-04-16 | 2024-07-24 |
| Context window | 400,000 tokens | 200,000 tokens | 200,000 tokens | 128,000 tokens |
| Parameters | — | — | — | 123B |
| Modality | text, vision, audio | text, vision | text, vision | text |
| License | proprietary | proprietary | proprietary | Mistral Research License |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | 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. | Fast, cost-effective Claude model. | Reasoning-focused model in the o-series. | Large text-only Mistral model with a 128K context window and 123B parameters, tuned for strong instruction following and long-context reasoning. Mistral's flagship open-weights release in the Large 2 line. |
| Links | ||||
| Benchmarks | ||||
| GPQA-D | — | — | 87.7% | — |
| HumanEval | — | — | — | 89.0% |
| AIME-25 | — | — | 88.9% | — |
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GPT-5.6 SolmaxClaude 4.8 Opusmax
Qwen3.7-Maxmax
Gemini 3.5 FlashmaxGemini 3.5maxGemini OmnimaxGPT-5.5max
DeepSeek-V4-FlashmaxGemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 Haiku✓DeepSeek-V3.1maxGPT-5 Pro✓GPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1maxMistral Large 2✓Max 4 models. Remove one to add another.