| Qwen 3.8 27B is excellent, but it defaults to overthinking things(simonwillison.net) | |
| 784 points by bilsbie 5 days ago | 376 comments | |
tl;dr: Qwen 3.8 27B is an Apache 2 licensed vision-capable model that runs impressively well from a 17GB file on consumer hardware, handling coding agents, bounding boxes, and tool calls competently. However, its default "xhigh" reasoning setting causes absurd overthinking—spending 21 minutes and 22K reasoning tokens on a simple SVG prompt—so users should dial reasoning down to low. The main drawback is speed (15-30 tokens/sec), though Multi-Token Prediction support via llama.cpp offers a ~72% boost. | |
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