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 Llama 4 ScoutMeta |  GPT-5 ProOpenAI | GPT-5.6 Sol OpenAI | |
|---|---|---|---|
| Vendor | Meta | OpenAI | OpenAI |
| Family | Llama | GPT | GPT |
| Release date | 2025-04-05 | 2025-08-07 | 2026-06-26 |
| Context window | 10,000,000 tokens | 400,000 tokens | — |
| Parameters | 109B | — | — |
| Modality | text, vision | text, vision, audio | text, vision, audio |
| License | Llama 4 Community License | proprietary | proprietary |
| Source | open weights | proprietary | 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. | 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 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+