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 GPT-5.6 SolOpenAI |  Gemini 3 Pro |  DeepSeek-V3.1DeepSeek |  Grok 4xAI | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | xAI | |
| Family | GPT | Gemini | DeepSeek | Grok |
| Release date | 2026-06-26 | 2026-04-22 | 2025-08-21 | 2025-07-09 |
| Context window | — | 2,000,000 tokens | 128,000 tokens | 256,000 tokens |
| Parameters | — | — | 671B | — |
| Modality | text, vision, audio | text, vision, audio, video | text | text |
| License | proprietary | proprietary | MIT | proprietary |
| Source | proprietary | proprietary | open weights | proprietary |
| Description | 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. | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | — |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 87.1% | — | 82.8% |
| GPQA-D | — | 88.6% | — | 87.5% |
| HumanEval | — | 96.5% | — | — |
| Aider | — | 84.8% | — | 72.5% |
| AIME-25 | — | 92.8% | — | 86.1% |
| LiveCB | — | 76.1% | — | 65.3% |
| MMMU | — | 84.3% | — | — |
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GPT-5.6 Sol✓
Claude 4.8 Opusmax
Qwen3.7-MaxmaxGemini 3.5 FlashmaxGemini 3.5maxGemini OmnimaxGPT-5.5maxDeepSeek-V4-FlashmaxGemini 3 Pro✓DeepSeek-V4-PromaxQwen3.6-27BmaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5 PromaxGPT-5maxGrok 4✓Gemini 2.5 FlashmaxQwen3 235Bmaxo3maxGPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.