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 DeepSeek-R1DeepSeek |  Grok 4xAI |  GPT-5.6 SolOpenAI | o3 OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | xAI | OpenAI | OpenAI |
| Family | DeepSeek | Grok | GPT | o-series |
| Release date | 2025-01-20 | 2025-07-09 | 2026-06-26 | 2025-04-16 |
| Context window | 128,000 tokens | 256,000 tokens | — | 200,000 tokens |
| Parameters | 671B | — | — | — |
| Modality | text | text | text, vision, audio | text, vision |
| License | MIT | proprietary | proprietary | proprietary |
| Source | open weights | proprietary | proprietary | proprietary |
| Description | 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. | Reasoning-focused model in the o-series. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 82.8% | — | — |
| GPQA-D | — | 87.5% | — | 87.7% |
| Aider | — | 72.5% | — | — |
| AIME-25 | 79.8% | 86.1% | — | 88.9% |
| LiveCB | — | 65.3% | — | — |
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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 PromaxGPT-5maxGrok 4✓Gemini 2.5 FlashmaxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 PromaxDeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.