| Feature | Kimi K3 | Qwen 3.8 Max |
|---|---|---|
| AI Lab | Moonshot | Alibaba |
| Context Size | 1,000,000 tokens | 262,144 tokens |
| Max Output Size | 131,072 tokens | 32,768 tokens |
| Frontier Model | Yes | Yes |
| Vision Support | Yes | Yes |
| Description | Kimi K3 is Moonshot's most capable flagship model to date, with 2.8 trillion parameters. Built on Kimi Delta Attention (KDA), a hybrid linear attention mechanism, and Attention Residuals, with native visual understanding and a 1M-token context window. It is the world's first open-source model in the 3-trillion-parameter class, designed for frontier intelligence scenarios including long-horizon coding, knowledge work, and reasoning. | Alibaba's most capable closed flagship, built on the Qwen3.5 architecture with major gains in coding, research and long-horizon agentic work. Vision, function calling and a 262k context window. Available exclusively through Fireworks AI. |
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