Monday, October 26, 2026 · Edition updated 6:00 AM ETMON, OCT 26 editionNext edition in Next in --:--:--
Intelligence Verdict
Compare AI models

GLM-5.3 vs Mistral Medium 3.5

Z.ai (Zhipu AI)'s GLM-5.3 and Mistral AI's Mistral Medium 3.5, side by side: what each costs, how much it can read at once, whether you can run it yourself, and where independent tests place it.

  • GLM-5.3cheaper per output token
  • 1Mcontext window, GLM-5.3
  • 0–0higher placings on boards ranking both
In short

How they differ.

Worked out from the figures below. Prices and specs are the makers' own, read Oct 20, 2026.

  • GLM-5.3 is cheaper per output token: $4.40 against $7.50 per million tokens, so Mistral Medium 3.5 costs 1.7 times as much.
  • GLM-5.3 reads more at once: a context window of 1M tokens against 256K.
  • Both can be downloaded and run on your own machine.
  • No independent board we follow ranks both models yet.
Side by side

The specs.

GLM-5.3Mistral Medium 3.5
Made byZ.ai (Zhipu AI) · ChinaMistral AI · France
ReleasedNot statedApr 28, 2026
Price per 1M tokens$1.40 in / $4.40 out$1.50 in / $7.50 out
Context window1M256K
Takes intexttext, image
Download and run it yourselfYes (glm-5.3 (license tag shown on Hugging Face))Yes (Modified MIT)
Size753B (Hugging Face safetensors size field) parameters128B (dense) parameters
Maker says“GLM-5.3 is Z.ai's latest flagship model, delivering comprehensive advancements in complex software engineering”“Our frontier-class multimodal model optimized for agentic and coding use cases.”
SourcesPrices, Oct 20, 2026 · DescriptionPrices, Oct 20, 2026 · Description
Independent tests

Where they place.

Position on each board we follow (1 is best). Epoch AI's and Vectara's scores are shown; the other boards are linked for their own figures.

BoardGLM-5.3Mistral Medium 3.5
Epoch Capabilities IndexEpoch AI, Oct 20, 2026#30155.91Not listed
Humanity's Last ExamScale AI#15Not listed
SWE-Bench ProScale AI, Sep 22, 2026#9Not listed
Vals IndexVals AI, Oct 19, 2026#9Not listed
Terminal-Bench 4.0Vals AI, Oct 19, 2026#12Not listed