GLM-5.3vsGLM 5.1
Across 3 shared benchmarks, GLM-5.3 leads overall: GLM-5.3 wins 3, GLM 5.1 wins 0, with 0 ties and an average score difference of +170.97.
GLM-5.33 wins(100%)(0%)0 winsGLM 5.1
Benchmark scores
Grouped by capability, sorted by largest gap within each. 3 shared benchmarks.
AI Agent - Tool Usage
GLM-5.3 1/1| Benchmark | GLM-5.3 | GLM 5.1 | Diff |
|---|---|---|---|
| Terminal-Bench 2.1 | 88.203 / 45Max (With Tools) | 58.7039 / 45Thinking High (With Tools) | +29.50 |
General Knowledge
GLM-5.3 1/1| Benchmark | GLM-5.3 | GLM 5.1 | Diff |
|---|---|---|---|
| HLE | 62.503 / 181Max (With Tools) | 52.3021 / 181Thinking (With Tools) | +10.20 |
Writing and Creative Capabilities
GLM-5.3 1/1| Benchmark | GLM-5.3 | GLM 5.1 | Diff |
|---|---|---|---|
| Creative Writing | 2,0623 / 99Normal (No Tools) | 1,58936 / 99Normal (No Tools) | +473.20 |
Specs
| Field | GLM-5.3 | GLM 5.1 |
|---|---|---|
| Publisher | 智谱AI | 智谱AI |
| Release date | 2026-08-14 | 2026-03-27 |
| Model type | Reasoning model | Reasoning model |
| Architecture | MoE | MoE |
| Parameters | 753.33B | 754B |
| Context length | 1M | 200K |
| Max output | 128K | 125K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | GLM-5.3 | GLM 5.1 |
|---|---|---|
| Text input | Not public | $1.4 / 1M tokens |
| Text output | Not public | $4.4 / 1M tokens |
| Cache read | Not public | $4.4 / 1M tokens |
| Cache write | Not public | $0.26 / 1M tokens |
One or both models have incomplete public pricing.
Summary
- GLM-5.3leads in:AI Agent - Tool Usage (1/1), General Knowledge (1/1), Writing and Creative Capabilities (1/1)
On average across the 3 shared benchmarks, GLM-5.3 scores 170.97 higher.
Largest single-benchmark gap: Creative Writing — GLM-5.3 2,062 vs GLM 5.1 1,589 (+473.20).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.