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 DeepSeek-V4-ProDeepSeek |  Qwen3 235BAlibaba |  GPT-5 ProOpenAI | GPT-5.6 Sol OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | Alibaba | OpenAI | OpenAI |
| Family | DeepSeek | Qwen | GPT | GPT |
| Release date | 2026-04-22 | 2025-04-29 | 2025-08-07 | 2026-06-26 |
| Context window | 1,000,000 tokens | 128,000 tokens | 400,000 tokens | — |
| Parameters | 1.6T (49B active) | 235B | — | — |
| Modality | text | text | text, vision, audio | text, vision, audio |
| License | MIT | Apache-2.0 | proprietary | proprietary |
| Source | open weights | open weights | proprietary | proprietary |
| Description | DeepSeek's flagship open-weight MoE. 1.6T parameters with 49B activated, 1M-token context, and a hybrid attention scheme (CSA + HCA) that delivers long-context inference at ~27% of V3.2's FLOPs. | Predecessor to the Qwen3.6 family. | 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. | 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. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | 84.2% | — | — | — |
| GPQA-D | 82.4% | — | — | — |
| HumanEval | 95.1% | — | — | — |
| Aider | 80.1% | — | — | — |
| AIME-25 | 88.6% | — | — | — |
| LiveCB | 72.4% | — | — | — |
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Mistral Large 2maxMax 4 models. Remove one to add another.