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 Gemini 2.5 Pro |  DeepSeek-R1DeepSeek |  Grok 4xAI |  o3OpenAI | |
|---|---|---|---|---|
| Vendor | DeepSeek | xAI | OpenAI | |
| Family | Gemini | DeepSeek | Grok | o-series |
| Release date | 2025-03-25 | 2025-01-20 | 2025-07-09 | 2025-04-16 |
| Context window | 2,000,000 tokens | 128,000 tokens | 256,000 tokens | 200,000 tokens |
| Parameters | — | 671B | — | — |
| Modality | text, vision, audio, video | text | text | text, vision |
| License | proprietary | MIT | proprietary | proprietary |
| Source | proprietary | open weights | proprietary | proprietary |
| Description | Predecessor to Gemini 3 Pro. | Reasoning-focused open-weight model. | — | Reasoning-focused model in the o-series. |
| Links |
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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-V3.1maxGPT-5maxGrok 4✓Qwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 Pro✓DeepSeek-R1✓
Mistral Large 2maxMax 4 models. Remove one to add another.