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 Grok 4xAI |  Gemini 2.5 Flash |  o3OpenAI | Gemini 2.5 Pro | |
|---|---|---|---|---|
| Vendor | xAI | OpenAI | ||
| Family | Grok | Gemini | o-series | Gemini |
| Release date | 2025-07-09 | — | 2025-04-16 | 2025-03-25 |
| Context window | 256,000 tokens | 1,000,000 tokens | 200,000 tokens | 2,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text | text, vision, audio | text, vision | text, vision, audio, video |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | — | — | Reasoning-focused model in the o-series. | Predecessor to Gemini 3 Pro. |
| Links |
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Gemini 2.5 Flash✓
Claude 4.6 SonnetmaxGPT-5.5max
DeepSeek-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-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.