Claude Sonnet 4.5 vs GLM-4.7
| Spec | Claude Sonnet 4.5 | GLM-4.7 |
|---|---|---|
| Respan Index | 31.2 (#76) | 32.2 (#74) |
| Blended price per 1M | $6 | $0.738 |
| Context window | 200K | 200K |
| Input / output per 1M | $3 / $15 | $0.4 / $1.75 |
| Max output | 64K | 131K |
| Input | text, vision | text |
| Released | 2025-09-29 | 2025-12-22 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | Claude Sonnet 4.5 | GLM-4.7 |
|---|---|---|
| Coding | 12.9 Claude Sonnet 4.5 | 12.3* GLM-4.7 |
| Agents | 41.9 Claude Sonnet 4.5 | 42.2 GLM-4.7 |
| Reasoning | 27.4 Claude Sonnet 4.5 | 30.5 GLM-4.7 |
| Knowledge & language | 31.1 Claude Sonnet 4.5 | 32.2 GLM-4.7 |
| Human preference | 50.5 Claude Sonnet 4.5 | 51.5 GLM-4.7 |
* Estimated: no published scores in that category. How the Respan Index works
Benchmarks both report
They split the 8 benchmarks both report evenly. Higher is better. Each score links to where it was published.
FAQ
Is Claude Sonnet 4.5 better than GLM-4.7?
GLM-4.7 scores 32.2 on the Respan Index (#74), ahead of Claude Sonnet 4.5 at 31.2 (#76). They split the 8 benchmarks both report evenly.
Which is cheaper, Claude Sonnet 4.5 or GLM-4.7?
Claude Sonnet 4.5 lists at $3 input and $15 output per 1M tokens; GLM-4.7 at $0.4 and $1.75. GLM-4.7 is 8.1x cheaper per token at list price.
Which has the larger context window?
Both accept 200K tokens of context.