Pyyan / Compare / GLM-5.3 vs MiMo-V2.6-Pro

GLM-5.3 vs MiMo-V2.6-Pro

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Open-Weight Models · verified 29 Sept 2026

GLM-5.3Zhipu AIcurrent
XMiMo-V2.6-ProXiaomicurrent
3 slots left
SpecificationGLM-5.3MiMo-V2.6-Pro
SummaryPost-trained from the GLM-5.2 base, with the weights following two weeks later.A trillion parameters under the MIT licence.
Context1M1M
Input ($/Mtok)$1.4Weights only
Output ($/Mtok)$4.4Weights only
LicenceOpen weightsMIT
Max output32KNot published
ParametersNot published1.02T total, 42B active
Released14 Aug 2026, weights 27 Aug21 Sep 2026
Model IDzai-org/GLM-5.3XiaomiMiMo/MiMo-V2.6-Pro
CategoryOpen-Weight ModelsOpen-Weight Models
Official—Xiaomi ↗

Highlighted rows are where these differ.

GLM-5.3

  • Post-trained from the GLM-5.2 base rather than trained from scratch
  • $1.40 in and $4.40 out per million tokens, with a 1M token window
  • Announced 14 August, weights published 27 August

Best for the full-size open flagship.

Full spec sheet →

MiMo-V2.6-Pro

  • 1.02T total parameters, 42B active per token, a 4.1% activation ratio
  • Text, image, video and audio in, with a 1M token context
  • Shipped with 7,000+ reinforcement learning environments and the framework that trained it

Best for multimodal work on your own cluster.

Full spec sheet →