GLM-5.3
Z.ai's coding-model update, announced with post-training gains, three reasoning-effort levels, and publisher-reported coding and cyber benchmarks.
Routable on MicroRouter
Use zai/glm-5.3 via the API →- Price
- Not published
- No API price is listed in the announcement
- Weights
- Planned
- Z.ai says weights will follow two weeks after launch
- Reasoning effort
- low / high / max
- Three publisher-described effort levels
- Base model
- Same as GLM-5.2
- Z.ai attributes the gains to post-training
Publisher pricing
Pricing below comes from the release announcement and does not represent a MicroRouter route or price.
Not published
The publisher announcement does not list an API price. MicroRouter does not estimate one.
Publisher-reported benchmarks
Results are grouped by unit. Percentage, Elo, and task-count results never share a scale.
| Benchmark | Reported result | Reported by | As of | Source |
|---|---|---|---|---|
| Terminal Bench 3.0 | 28.3% | Z.ai | Aug 14, 2026 | Announcement ↗ |
| DeepSWE v1.1 | 66.9% | Z.ai | Aug 14, 2026 | Announcement ↗ |
| CyberGym | 84.5% | Z.ai | Aug 14, 2026 | Announcement ↗ |
| ExploitBench | 54.4% | Z.ai | Aug 14, 2026 | Announcement ↗ |
| Benchmark | Reported result | Reported by | As of | Source |
|---|---|---|---|---|
| ExploitGym · 2 hours | 105 tasks | Z.ai | Aug 14, 2026 | Announcement ↗ |
| ExploitGym · 6 hours | 130 tasks | Z.ai | Aug 14, 2026 | Announcement ↗ |
- — Z.ai says GLM-5.3 uses the same base model as GLM-5.2 and attributes gains to post-training.
- — Z.ai reports the benchmark figures; MicroRouter has not reproduced them.
Independent measurements
Artificial Analysis runs its own evaluations and timing against each model's first-party API. These are the only numbers on this page not reported by the publisher.
GLM-5.3 (max) ranks #7 of 448 model families on their Intelligence Index.
- Intelligence Index
- 59.5
- Composite of their evaluations
- Coding Index
- 74.8
- Coding evaluations only
- Blended price
- $2.15
- USD per 1M tokens, 3:1 input to output, first-party list
- Output speed
- 72
- Median tokens per second
- First answer token
- 29s
- Median seconds, including reasoning
GLM-5.3 (max) on Artificial Analysis ↗
Source: Artificial Analysis ↗, read Sep 2, 2026. Measured on the model's first-party API, not a MicroRouter route.
What is not independently confirmed
- Every figure on this page is self-reported by the cited publisher. MicroRouter did not run these benchmarks.
- Benchmark harnesses are not standardised. Results sharing a name across vendors have not been confirmed to use identical runs.
- Publisher pricing can change, and introductory phases have stated end dates.
- GLM-5.3 is routable through MicroRouter today; live pricing on its model page is authoritative over the publisher figures here.
- Z.ai attributes gains over GLM-5.2 to post-training rather than a new base model; MicroRouter has not tested that claim.
Related coverage
Other release dossiers and the current MicroRouter catalog.
Direct comparison: Gemini 3.7 Flash vs GLM-5.3
Sources
- Read at Z.ai ↗
Z.ai announcement
Published Aug 14, 2026
- Read at Artificial Analysis ↗
Artificial Analysis model page
Published Sep 2, 2026
Editorial reference revised 2026-09-02. Catalog status comes from the generated routing snapshot.