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 GPT-5 ProOpenAI |  Llama 4 ScoutMeta |  DeepSeek-R1DeepSeek | GPT-5.6 Sol OpenAI | |
|---|---|---|---|---|
| Vendor | OpenAI | Meta | DeepSeek | OpenAI |
| Family | GPT | Llama | DeepSeek | GPT |
| Release date | 2025-08-07 | 2025-04-05 | 2025-01-20 | 2026-06-26 |
| Context window | 400,000 tokens | 10,000,000 tokens | 128,000 tokens | — |
| Parameters | — | 109B | 671B | — |
| Modality | text, vision, audio | text, vision | text | text, vision, audio |
| License | proprietary | Llama 4 Community License | MIT | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| 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. | — | Reasoning-focused open-weight model. | 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 | ||||
| AIME-25 | — | — | 79.8% | — |
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GPT-5.6 Sol✓
Claude 4.8 Opusmax
Qwen3.7-Maxmax
Gemini 3.5 FlashmaxGemini 3.5maxGemini OmnimaxGPT-5.5maxDeepSeek-V4-FlashmaxGemini 3 PromaxDeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5 Pro✓GPT-5max
Grok 4maxGemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1maxLlama 4 Scout✓Llama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.