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 Claude 4.5 HaikuAnthropic |  o3OpenAI | GPT-5 OpenAI |  Gemini 3 Pro | |
|---|---|---|---|---|
| Vendor | Anthropic | OpenAI | OpenAI | |
| Family | Claude | o-series | GPT | Gemini |
| Release date | 2025-10-01 | 2025-04-16 | 2025-08-07 | 2026-04-22 |
| Context window | 200,000 tokens | 200,000 tokens | 400,000 tokens | 2,000,000 tokens |
| Parameters | — | — | — | — |
| Modality | text, vision | text, vision | text, vision, audio | text, vision, audio, video |
| License | proprietary | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary | proprietary |
| Description | Fast, cost-effective Claude model. | Reasoning-focused model in the o-series. | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026.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. |
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Mistral Large 2maxMax 4 models. Remove one to add another.