Claude 4 Sonnet vs GLM 5
Head to head on 18 shared benchmarks, with price, context window, and release dates.
Benchmark scores
51evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5 Zai | 62.9% | 1598elo | 70.9 | 66.6% | 7.6% | 55.2% | 71.2% | 73.6% | 67.9% | 55.3% | 77.5% | 83.5% | 69.1% | 38.3% | 72.8% | 70.0% | 39.4% | 97.4% | - | - | - | - | 7.9% | - | 24.7% | 16.4% | - | 97.9 | 82.7% | 48395 | - | - | 65.2% | - | - | - | - | - | - | - | - | - | 73.3 | - | 69.7% | - | 61.12 | - | 23.4% | - | - | 56.4% |
| Claude 4 Sonnet Anthropic | 54.7% | 1480elo | 58.4 | 68.3% | 4.3% | 45.4% | 64.8% | 77.5% | 54.6% | 44.3% | 72.9% | 70.5% | 69.0% | 37.3% | 74.6% | 69.6% | 27.3% | 52.3% | 40.7% | 38.0% | 22.9% | 47.8% | - | 19.8% | - | - | 67.5% | - | - | - | 44.9% | 93.4% | - | 33.9% | 72.4% | 86.7% | 83.7% | 62.5% | 43.9% | 6.18 | 6.18 | 35.0% | - | 58.3% | - | 35.6% | - | 0.59 | - | 84.0% | 84.0% | 55.5% |
2 / 2 models
| Attribute | Claude 4 Sonnet Anthropic | GLM 5 Zai |
|---|---|---|
| Description | Claude 4 Sonnet is an AI model from Anthropic. | GLM-5 is an AI model from Zai, released with open weights. |
| Family | Claude | Glm |
| Params | - | - |
| Open weights | closed | open |
| License | proprietary | mit |
| Released | 22 May 2025 | 11 Feb 2026 |
| Context | 200,000 | 204,800 |
| Input $/1M | $3.00 | $1.00 |
| Output $/1M | $15.00 | $3.20 |
| Cache read $/1M | - | $0.120 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image | text |
| Providers | - | - |
| Publisher | Anthropic | Zai |
| Reported scores | GPQA Diamond66.6% (AA) Humanity's Last Exam (HLE)7.6% (AA) IFBench55.2% (AA) SciCode38.3% (AA) τ²-bench (Tau²-bench)97.4% (AA) |
FAQ
- Is Claude 4 Sonnet or GLM 5 better?
- Across the 18 benchmarks both models report on Sophon, GLM 5 leads on 15 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude 4 Sonnet and GLM 5 compare on GPQA Diamond?
- Claude 4 Sonnet scores 68.3% and GLM 5 scores 66.6% on GPQA Diamond.
- Which is cheaper, Claude 4 Sonnet or GLM 5?
- GLM 5 is cheaper at $3.20 per million output tokens against $15.00 for Claude 4 Sonnet - about 4.7x.
- When were Claude 4 Sonnet and GLM 5 released?
- Claude 4 Sonnet was released 22 May 2025 by Anthropic. GLM 5 was released 11 Feb 2026 by Zai.
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