▸ compare
Anthropic: Claude Sonnet 4.5 vs Z.ai: GLM 5
Side-by-side benchmark comparison based on independent public data. Scores, pricing, context, and task breakdown.
▸ verdict
Anthropic: Claude Sonnet 4.5
85.2
vs
Z.ai: GLM 5
85.1
These two models are effectively tied on overall score within the two-point margin. Choose based on pricing, context window, or task-specific performance below.
▸ score breakdown
| Task | Anthropic: Claude Sonnet 4.5 | Z.ai: GLM 5 | Δ |
|---|---|---|---|
| Overall | 85.2 | 85.1 | +0.1 |
| Coding | 59.2 | 64.6 | -5.4 |
| Reasoning | 43.3 | — | — |
| Math | — | — | — |
| Writing | 83.8 | — | — |
| JSON | 28.6 | — | — |
▸ specs & pricing
| Attribute | Anthropic: Claude Sonnet 4.5 | Z.ai: GLM 5 |
|---|---|---|
| Provider | Anthropic | Z Ai |
| Context window | 1M | 203K |
| Input $/M tokens | $3.00/M | $0.60/M |
| Output $/M tokens | $15.00/M | $1.92/M |
| Weights | proprietary | proprietary |
▸ frequently asked
Is Anthropic: Claude Sonnet 4.5 better than Z.ai: GLM 5?
Anthropic: Claude Sonnet 4.5 and Z.ai: GLM 5 are closely matched in overall score. Choose based on pricing, context window, or the task-specific scores in the table above.
Which is cheaper: Anthropic: Claude Sonnet 4.5 or Z.ai: GLM 5?
Z.ai: GLM 5 is cheaper at $0.6/M input tokens vs $3/M for Anthropic: Claude Sonnet 4.5.
Which model is better for coding?
Z.ai: GLM 5 leads on coding with a score of 64.6 vs 59.2 for Anthropic: Claude Sonnet 4.5. This is based on SWE-Bench, Aider Polyglot, and LiveCodeBench data.