Claude Sonnet 4.6 vs GLM 5
GLM 5 is cheaper on output tokens, while Claude Sonnet 4.6 offers a larger context window. Choose Claude Sonnet 4.6 or GLM 5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude Sonnet 4.6 | GLM 5 |
|---|---|---|
| Provider | Anthropic | Z.ai |
| Input / 1M tokens | $3.00 | $1.00 |
| Output / 1M tokens | $15.00 | $3.20 |
| Context window | 1M | 205K |
| Parameters | — | 744B |
| Open weights | — | Yes |
| Released | — | Feb 2026 |
| LMArena (Chatbot Arena) Elo score | 1458 | 1446 |
| LMArena WebDev Elo score | 1523 | 1435 |
| LMArena Vision Elo score | 1283 | — |
| GPQA Diamond score | 87.4 | 87.8 |
| FrontierMath score | 32.4 | 16.4 |
| Epoch Capabilities Index score | 153 | 146 |
| LiveBench score | — | 68.7 |
| SWE-bench Multilingual score | — | 69.7 |
| SWE-bench Verified score | — | 72.8 |
FAQ
Is Claude Sonnet 4.6 or GLM 5 cheaper?
GLM 5 is cheaper on output tokens ($3.20 vs $15.00 per 1M).
Which has the larger context window, Claude Sonnet 4.6 or GLM 5?
Claude Sonnet 4.6 has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.