Alibaba’s Qwen released Qwen3.8-Max-0902, a 2.4T-parameter, 1M-context model further post-trained for coding and cowork. It debuted at #1 on Code Arena: WebDev with 1,691 points, edging Claude Opus 5, while sitting on the Pareto frontier at a blended per million tokens.

Key Takeaways

  • ✓2.4T parameters and 1M-token context, post-trained for coding, cowork, research, and long-horizon workflows
  • ✓#1 on Code Arena: WebDev at 1,691 pts, above Claude Opus 5 (1,688) and Kimi K3 (1,674)
  • ✓Priced at input / output per 1M tokens, now live on QwenCloud
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