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 Gemini 2.5 Pro |  DeepSeek-R1DeepSeek | DeepSeek-V3.1 DeepSeek |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | DeepSeek | OpenAI | |
| Family | Gemini | DeepSeek | DeepSeek | o-series |
| Release date | 2025-03-25 | 2025-01-20 | 2025-08-21 | 2025-04-16 |
| Context window | 2,000,000 tokens | 128,000 tokens | 128,000 tokens | 200,000 tokens |
| Parameters | — | 671B | 671B | — |
| Modality | text, vision, audio, video | text | text | text, vision |
| License | proprietary | MIT | MIT | proprietary |
| Source | proprietary | open weights | open weights | proprietary |
| Description | Predecessor to Gemini 3 Pro. | Reasoning-focused open-weight model. | Large MoE open-weight model. Predecessor to DeepSeek-V4. | Reasoning-focused model in the o-series. |
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Gemini 2.5 Flashmax
Claude 4.6 SonnetmaxGPT-5.5maxDeepSeek-V4-Flashmax
Qwen3.6-27BmaxGemini 3 PromaxDeepSeek-V4-PromaxClaude 4.7 OpusmaxClaude 4.5 HaikumaxDeepSeek-V3.1✓GPT-5max
Grok 4maxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 Pro✓DeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.