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 GPT-5 ProOpenAI |  Claude 4.6 SonnetAnthropic |  Qwen3 235BAlibaba | |
|---|---|---|---|
| Vendor | OpenAI | Anthropic | Alibaba |
| Family | GPT | Claude | Qwen |
| Release date | 2025-08-07 | 2026-02-17 | 2025-04-29 |
| Context window | 400,000 tokens | 1,000,000 tokens | 128,000 tokens |
| Parameters | — | — | 235B |
| Modality | text, vision, audio | text, vision | text |
| License | proprietary | proprietary | Apache-2.0 |
| Source | 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. | Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context. | Predecessor to the Qwen3.6 family. |
| Links | |||
| Benchmarks | |||
| MMLU-Pro | — | 85.4% | — |
| GPQA-D | — | 85.8% | — |
| HumanEval | — | 95.9% | — |
| Aider | — | 83.6% | — |
| AIME-25 | — | 87.4% | — |
| LiveCB | — | 73.8% | — |
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GPT-5.6 Sol+Claude 4.8 Opus+Qwen3.7-Max+
Gemini 3.5 Flash+Gemini 3.5+Gemini Omni+GPT-5.5+
DeepSeek-V4-Flash+Gemini 3 Pro+DeepSeek-V4-Pro+Qwen3.6-27B+Claude 4.7 Opus+Claude 4.6 Sonnet✓Claude 4.5 Haiku+DeepSeek-V3.1+GPT-5 Pro✓GPT-5+
Grok 4+Gemini 2.5 Flash+Qwen3 235B✓o3+GPT-4.1+
Llama 4 Scout+Llama 4 Maverick+Gemini 2.5 Pro+DeepSeek-R1+
Mistral Large 2+