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 o3OpenAI |  Gemini 3 Pro | Gemini 2.5 Flash |  Llama 4 MaverickMeta | |
|---|---|---|---|---|
| Vendor | OpenAI | Meta | ||
| Family | o-series | Gemini | Gemini | Llama |
| Release date | 2025-04-16 | 2026-04-22 | 2025-06-17 | 2025-04-05 |
| Context window | 200,000 tokens | 2,000,000 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | 400B |
| Modality | text, vision | text, vision, audio, video | text, vision, audio | text, vision |
| License | proprietary | proprietary | proprietary | Llama 4 Community License |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | Reasoning-focused model in the o-series. | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. | Google's cost-and-latency-optimized Gemini 2.5 variant. Generally available June 2025 — designed for high-throughput agentic workflows with sub-second first-token latency. | Mixture-of-experts open-weight model from Meta. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 87.1% | — | 80.5% |
| GPQA-D | 87.7% | 88.6% | — | — |
| HumanEval | — | 96.5% | — | — |
| Aider | — | 84.8% | — | — |
| AIME-25 | 88.9% | 92.8% | — | — |
| LiveCB | — | 76.1% | — | — |
| MMMU | — | 84.3% | — | 68.5% |
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