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Qwen 3.8 27B Released: Enhanced Coding and Agent Performance

·2026.08.15 03:33

Key point

The Qwen 3.8 27B model has been released, featuring significant improvements in coding, research, agent tasks, and vision-language understanding.

Details

Qwen 3.8 27B is the latest generation of the Qwen open model family, offering substantial performance improvements in coding, professional tasks, research, and long-horizon agentic tasks.

Key features include:

  • Agent Execution Capability: Enhanced autonomous planning and environment feedback processing capabilities have improved the reliability of end-to-end task completion.
  • Flexible Thinking Control: 'Thinking mode' is enabled by default, allowing users to adjust reasoning depth via reasoning_effort.
  • Vision-Language Understanding: Natively understands images and videos, supporting everything from STEM diagrams to hour-long videos.
  • Context Length: Supports a base of 262,144 tokens, expandable up to 1,000,000 tokens.

Benchmark results demonstrate superior performance compared to previous generations (Qwen 3.6/3.7) and other models across various metrics such as SWE-bench Pro, CoWorkBench, and GPQA, showing notable advancements in coding and agent tasks.

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