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 DeepSeek-V3.1DeepSeek |  GPT-5 ProOpenAI |  Qwen3 235BAlibaba | GPT-5.6 Sol OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | OpenAI | Alibaba | OpenAI |
| Family | DeepSeek | GPT | Qwen | GPT |
| Release date | 2025-08-21 | 2025-08-07 | 2025-04-29 | 2026-06-26 |
| Context window | 128,000 tokens | 400,000 tokens | 128,000 tokens | — |
| Parameters | 671B | — | 235B | — |
| Modality | text | text, vision, audio | text | text, vision, audio |
| License | MIT | proprietary | Apache-2.0 | proprietary |
| Source | open weights | proprietary | open weights | proprietary |
| Description | Large MoE open-weight model. Predecessor to DeepSeek-V4. | 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. | Predecessor to the Qwen3.6 family. | 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. |
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GPT-5.6 Sol✓
Claude 4.8 OpusmaxQwen3.7-Maxmax
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Grok 4maxGemini 2.5 FlashmaxQwen3 235B✓o3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.