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 o3OpenAI |  Gemini 3.5 | Gemini 3 Pro |  Claude 4.6 SonnetAnthropic | |
|---|---|---|---|---|
| Vendor | OpenAI | Anthropic | ||
| Family | o-series | Gemini | Gemini | Claude |
| Release date | 2025-04-16 | 2026-05-20 | 2026-04-22 | 2026-02-17 |
| Context window | 200,000 tokens | 2,000,000 tokens | 2,000,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision | text, vision, audio, video | text, vision, audio, video | text, vision |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Reasoning-focused model in the o-series. | Google DeepMind's next-gen Gemini — positioned as "frontier intelligence with action". Built for complex agentic workflows. Announced at Google I/O 2026. | 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. | Anthropic's mid-tier flagship — released 12 days after Opus 4.6 and matching most of its capabilities at ~40% the API cost ($3/$15 per 1M tokens). 1M-token context. |
| Links | ||||
| Benchmarks | ||||
| MMLU-Pro | — | 88.9% | 87.1% | 85.4% |
| GPQA-D | 87.7% | 91.2% | 88.6% | 85.8% |
| HumanEval | — | — | 96.5% | 95.9% |
| Aider | — | — | 84.8% | 83.6% |
| AIME-25 | 88.9% | 96.1% | 92.8% | 87.4% |
| LiveCB | — | — | 76.1% | 73.8% |
| MMMU | — | 86.0% | 84.3% | — |
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Claude 4.8 Opusmax
Qwen3.7-MaxmaxGemini 3.5✓Gemini OmnimaxGPT-5.5maxQwen3.6-27Bmax
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Mistral Large 2maxMax 4 models. Remove one to add another.