GLM 4.7 vs GLM 5.1
Head to head on 22 shared benchmarks, with price, context window, and release dates.
Benchmark scores
43evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5.1 Zai | 64.5% | 1589elo | 73.5 | 33.5% | 83.9% | 27.9% | 52.0% | 72.7% | 75.4% | 63.2% | 68.5% | 71.8% | 84.9% | 72.5% | 41.6% | 72.3% | 85.4% | 22.2% | 36.1% | 71.2% | 35.6% | 97.1% | - | 20.8% | 35.9% | 1.13 | 40.0% | - | - | 44.8% | 34.7% | 15.1% | - | - | - | 67.0% | - | - | 34.6% | 5.24 | 69.8 | 52.5% | 31.5% | 53.6% |
| GLM 4.7 Zai | 46.4% | 1411elo | 66 | 2.4% | 66.4% | 6.4% | 54.6% | 60.8% | 73.1% | 55.2% | 35.7% | 65.2% | 76.0% | 59.7% | 32.8% | 68.6% | 79.4% | 6.0% | 35.4% | 68.8% | 30.3% | 94.2% | 48.0% | - | - | - | - | 46.7% | 28.6% | - | - | - | 90.0% | 56.2% | 33.3% | - | 33.3% | 100.0% | - | - | - | - | - | 51.9% |
2 / 2 models
| Attribute | GLM 4.7 Zai | GLM 5.1 Zai |
|---|---|---|
| Description | GLM-4.7 is an AI model from Zai, released with open weights. | GLM-5.1 is an AI model from Zai, released with open weights. |
| Family | Glm | Glm |
| Params | - | - |
| Open weights | open | open |
| License | mit | mit |
| Released | 22 Dec 2025 | 7 Apr 2026 |
| Context | 204,800 | 204,800 |
| Input $/1M | $0.60 | $1.39 |
| Output $/1M | $2.20 | $4.40 |
| Cache read $/1M | $0.080 | $0.234 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text | text |
| Providers | - | - |
| Publisher | Zai | Zai |
| Reported scores | IFBench52.0% (AA) τ²-bench (Tau²-bench)97.1% (AA) Terminal-Bench (Hard)35.6% (AA) Vals Index52.5% Vibe Code Bench v1.131.5% |
FAQ
- Is GLM 4.7 or GLM 5.1 better?
- Across the 22 benchmarks both models report on Sophon, GLM 5.1 leads on 21 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 4.7 and GLM 5.1 compare on GPQA Diamond?
- GLM 4.7 scores 66.4% and GLM 5.1 scores 83.9% on GPQA Diamond.
- Which is cheaper, GLM 4.7 or GLM 5.1?
- GLM 4.7 is cheaper at $2.20 per million output tokens against $4.40 for GLM 5.1 - about 2.0x.
- When were GLM 4.7 and GLM 5.1 released?
- GLM 4.7 was released 22 Dec 2025 by Zai. GLM 5.1 was released 7 Apr 2026 by Zai.
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