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 o3OpenAI |  Gemini Omni |  Grok 4xAI | Gemini 2.5 Pro | |
|---|---|---|---|---|
| Vendor | OpenAI | xAI | ||
| Family | o-series | Gemini | Grok | Gemini |
| Release date | 2025-04-16 | 2026-05-20 | 2025-07-09 | 2025-03-25 |
| Context window | 200,000 tokens | 1,000,000 tokens | 256,000 tokens | 2,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision | text, vision, audio, video | text | text, vision, audio, video |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Reasoning-focused model in the o-series. | Multimodal Gemini variant introduced at Google I/O 2026 — unified text, image, audio, and video processing in a single model. | — | Predecessor to Gemini 3 Pro. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | — | 82.8% | 84.1% |
| GPQA-D | 87.7% | — | 87.5% | 84.0% |
| Aider | — | — | 72.5% | — |
| AIME-25 | 88.9% | — | 86.1% | — |
| LiveCB | — | — | 65.3% | — |
| MMMU | — | 82.5% | — | 72.4% |
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Claude 4.8 Opusmax
Qwen3.7-MaxmaxGemini 3.5maxGemini Omni✓GPT-5.5maxQwen3.6-27Bmax
DeepSeek-V4-FlashmaxDeepSeek-V4-PromaxGemini 3 PromaxClaude 4.7 OpusmaxClaude 4.6 SonnetmaxClaude 4.5 HaikumaxDeepSeek-V3.1maxGPT-5maxGrok 4✓Gemini 2.5 FlashmaxQwen3 235Bmaxo3✓GPT-4.1max
Llama 4 ScoutmaxLlama 4 MaverickmaxGemini 2.5 Pro✓DeepSeek-R1max
Mistral Large 2maxMax 4 models. Remove one to add another.