GLM

Z.ai GLM 5.3 Flash available on the Mistral API

Mistral added zai-glm-5-3-flash to its platform at $0.15 per million input tokens, $0.03 cached input and $0.50 output.

Vals Index: Muse Wonder Full fourth, DeepSeek V4.1 Flash 1017 eighth at $0.66 per test

The Vals Index, updated October 22, 2026, ranks Muse Wonder Full fourth at 66.79% and Muse Wonder sixth at 64.88%. DeepSeek V4.1 Flash 1017 is eighth at 61.26% for $0.66 per test, GLM 5.3 ninth at 59.73%, Grok 4.7 12th at 58.56% and Kimi K3 19th at 52.95%.

Z.ai GLM 5.2 on Mistral retires October 31

Mistral deprecated zai-glm-5-2 on its platform and will retire it on October 31, 2026, with zai-glm-5-3 as the replacement at the same price.

Action needed:

Switch to zai-glm-5-3 before October 31, 2026.

GLM-5.3 in Claude Code scores 41.8% on Terminal-Bench 4.0, top open-weight entry

The official Terminal-Bench 4.0 leaderboard lists Claude Code with GLM-5.3 at max effort at 41.82% (plus or minus 3.2, 330 trials, $2,727.63 total cost), ranked 20th and the highest open-weight model. The entry was posted August 27, 2026. GLM-5.3-Flash scores 35.76%.

Z.ai releases GLM-5.3-Flash

Z.ai released GLM-5.3-Flash, a 320B-parameter model with 18B active parameters, native vision for working with interfaces and browsers, and support for office and research workflows. Open weights are on Hugging Face.

Z.ai releases GLM-5.3

Z.ai released GLM-5.3, reporting a 50% gain over GLM-5.2 on its Z.ai Code Bench and leading open-model results on public benchmarks including Terminal Bench 3.0.