GLM-5.3
by Z.ai (Zhipu) · ChinaZ.ai's flagship: 256 routed experts plus one shared, top-8 routing, about 39B active per token across a million-token window. Open weights under an MIT-style licence with one condition — a model-as-a-service operator above $10B revenue needs a Z.ai security review first.
Specification
The numbers
- Maker
- Z.ai (Zhipu)
- Released
- 2026-08
- Parameters
- 753B total / 39B active
- Architecture
- MoE
- Context window
- 1,000,000 tokens
- Max output
- Not reported
- Input
- Text, Image
- Output
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Knowledge cutoff
- Not reported
- Licence
- GLM-5.3 License
- Availability
- Not reported
- Weights
- Downloadable
Cost
Price per million tokens
- Input
- $1.40 / M tokens
- Output
- $4.40 / M tokens
- Cached input
- $0.26
- Blended 3:1
- $2.15
This model has open weights, so there is no first-party price. The figures above are a representative third-party hosting rate — you can also run it yourself for the cost of the hardware.
Published scores
Benchmarks
Figures published by Z.ai (Zhipu) or taken from a public leaderboard. Row last checked 2026-09.
Every reported test
Where these numbers come from
Every score on this page is a published figure, taken from the model's own card, system card, technical report or release post, or from a public leaderboard. CorX Labs did not run these evaluations. Most are self-reported by the lab that built the model, which means they were produced under that lab's own choice of prompt, scaffold and number of attempts — so treat them as a starting point for a shortlist, not as a settled ranking.
A score someone other than the model's maker measured is marked Independent and names its measurer. Those are the stronger numbers on this page — an outside harness has no reason to flatter anyone — and there are not many of them.
Where a figure has not been published, the cell reads Not reported rather than an estimate. Nothing here is inferred, interpolated or guessed. Each model records the month its row was last checked. Full method and caveats.
Same maker
Other models from Z.ai (Zhipu)
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| GLM-4.5-AirZ.ai (Zhipu) | Z.ai (Zhipu) | 131K | $0.20 | $1.10 | — | 75% | 89.4% | 57.6% | MIT |
| GLM-4-9BZ.ai (Zhipu) | Z.ai (Zhipu) | 131K | $0.03 | $0.06 | 45% | — | — | — | GLM License |