Compare models
Pick up to 4 models for a side-by-side spec sheet. Hover any dotted metric name for what the test measures. Best value in each row is highlighted.
Claude Sonnet 5GLM 5.1
| Claude Sonnet 5 Anthropic | GLM 5.1 Z.ai | |
|---|---|---|
| Pricing | ||
| Input $/1M | $2.00 | $0.966 |
| Output $/1M | $10.00 | $3.04 |
| Blended $/1M (3:1) | $4.00 | $1.48 |
| Cache read $/1M | $0.20 | $0.179 |
| Cache write $/1M | $2.50 | — |
| Quality indices | ||
| Intelligence Index | 53.4 | 40.2 |
| Coding Index | 71.5 | 55.8 |
| Math Index | — | — |
| Agentic Index | 46.7 | 29.9 |
| Speed & latency | ||
| Output speed (tok/s) | 86 | — |
| Time to first token | 93.73s | — |
| Time to first answer token | 93.73s | — |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | 91.1% | — |
| Humanity's Last Exam | 39.6% | — |
| SciCode | 53.6% | — |
| AA-LCR (Long Context Reasoning) | 70.7% | — |
| Terminal-Bench 2.1 | 80.5% | — |
| τ³-Bench Banking | 28.2% | — |
| Design Arena (Elo) | ||
| Website | 1,314 | 1,302 |
| Web apps | 1,305 | 1,228 |
| Full-stack | 1,292 | 1,225 |
| Mobile apps | — | 1,225 |
| Android native | 1,255 | 1,233 |
| UI components | 1,317 | 1,321 |
| Data viz | 1,281 | 1,366 |
| SVG | 1,239 | 1,267 |
| 3D | 1,321 | 1,336 |
| Game dev | 1,345 | 1,328 |
| Agentic game dev | 1,241 | 1,182 |
| Godot game dev | 1,257 | 1,112 |
| HTML slides | 1,233 | 1,200 |
| PPTX slides | — | 1,241 |
| Python→PPTX slides | 1,252 | 1,258 |
| Agentic slides | — | 1,245 |
| Agentic HTML slides | — | 1,205 |
| Agentic slides (HTML) | — | 1,204 |
| Agentic slides (Python PPTX) | — | 1,240 |
| Code categories | 1,312 | 1,311 |
| ASCII art | 1,230 | 1,182 |
| Specs | ||
| Context window | 1M | 205K |
| Max output tokens | 128K | 128K |
| Input modalities | text, image, file | text |
| Tokenizer | Claude | Other |