GLM-5.3 changelog

Every change to GLM-5.3 that Modelpeers has recorded, newest first, each with the source it came from. The record starts Aug 18, 2026.

All (3)Releases (1)Benchmarks (2)

October 2026

Muse Wonder, Muse Wonder Full, V4.1-Flash

6 models from Meta and DeepSeek and Z.ai and SpaceXSI and Moonshot AI

Benchmark1w

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%.

August 2026

GLM-5.3

Model at Z.ai

BenchmarkAug 27, 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%.

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