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 Claude 4.7 OpusAnthropic |  GPT-5.5OpenAI | o3 OpenAI |  DeepSeek-V4-FlashDeepSeek | |
|---|---|---|---|---|
| Vendor | Anthropic | OpenAI | OpenAI | DeepSeek |
| Family | Claude | GPT | o-series | DeepSeek |
| Release date | 2026-04-16 | 2026-04-23 | 2025-04-16 | 2026-04-22 |
| Context window | 1,000,000 tokens | 400,000 tokens | 200,000 tokens | 1,000,000 tokens |
| Parameters | — | — | — | 284B (13B active) |
| Modality | text, vision | text, vision, audio | text, vision | text |
| License | proprietary | proprietary | proprietary | MIT |
| Source | proprietary | proprietary | proprietary | open weights |
| Description | Anthropic's most capable model, optimized for complex reasoning and coding. Improved software engineering, long-running coding tasks, and higher-resolution vision over Claude 4.6. | OpenAI's smartest and most intuitive model — successor to GPT-5, with major coding, research, and document workflow gains. GPT-5.5 Pro variant also available for heavier reasoning. | Reasoning-focused model in the o-series. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. |
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