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 o3OpenAI |  Qwen3.6-27BAlibaba |  Claude 4.7 OpusAnthropic |  DeepSeek-V4-FlashDeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | Alibaba | Anthropic | DeepSeek |
| Family | o-series | Qwen | Claude | DeepSeek |
| Release date | 2025-04-16 | 2026-04-22 | 2026-04-16 | 2026-04-22 |
| Context window | 200,000 tokens | 262,144 tokens | 1,000,000 tokens | 1,000,000 tokens |
| Parameters | — | 27B (dense) | — | 284B (13B active) |
| Modality | text, vision | text, vision, video | text, vision | text |
| License | proprietary | Apache-2.0 | proprietary | MIT |
| Source | proprietary | open weights | proprietary | open weights |
| Description | Reasoning-focused model in the o-series. | Alibaba's first dense open-weight in the 3.6 family. Strong agentic-coding scores (77.2 SWE-bench Verified, matching Claude 4.5 Opus on Terminal-Bench 2.0). Supports 201 languages and multimodal text/image/video input. | 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. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. |
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