GLM 5.1 vs Kimi K2.5
Head to head on 26 shared benchmarks, with price, context window, and release dates.
Benchmark scores
46evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kimi K2.5 Moonshot AI | 68.3% | 39.0% | 1576elo | 74.9 | 35.8% | 27.9% | 78.9% | 13.2% | 43.7% | 72.5% | 77.9% | 61.4% | 57.4% | 77.7% | 84.9% | 76.0% | 62.0% | 39.3% | 76.4% | 39.6% | 74.2% | 18.9% | 69.4 | 26.3% | 17.5% | 81.3% | 96.1 | - | - | - | - | - | 95.4 | 78.5% | 10421 | 87.1 | - | 66.5% | 63.3% | - | 49.9% | - | - | 73 | 67.3% | 70.8% | 56.8% |
| GLM 5.1 Zai | 64.5% | 40.0% | 1589elo | 73.5 | 44.8% | 33.5% | 83.9% | 27.9% | 52.0% | 72.7% | 75.4% | 63.2% | 68.5% | 71.8% | 84.9% | 72.5% | 67.0% | 41.6% | 72.3% | 36.1% | 71.2% | 35.6% | 69.8 | 52.5% | 31.5% | 97.1% | - | 20.8% | 35.9% | 1.13 | 34.7% | 15.1% | - | - | - | - | 85.4% | - | - | 22.2% | - | 34.6% | 5.24 | - | - | - | 53.6% |
2 / 2 models
| Attribute | GLM 5.1 Zai | Kimi K2.5 Moonshot AI |
|---|---|---|
| Description | GLM-5.1 is an AI model from Zai, released with open weights. | Kimi K2.5 is an AI model from Kimi. |
| Family | Glm | Kimi |
| Params | - | - |
| Open weights | open | closed |
| License | mit | Modified MIT |
| Released | 7 Apr 2026 | 27 Jan 2026 |
| Context | 204,800 | 262,144 |
| Input $/1M | $1.39 | $0.60 |
| Output $/1M | $4.40 | $3.00 |
| Cache read $/1M | $0.234 | $0.100 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text | text, image |
| Providers | - | - |
| Publisher | Zai | Moonshot AI |
| 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% | GPQA Diamond78.9% (AA) Humanity's Last Exam (HLE)13.2% (AA) IFBench43.7% (AA) SciCode39.6% (AA) τ²-bench (Tau²-bench)81.3% (AA) |
FAQ
- Is GLM 5.1 or Kimi K2.5 better?
- Across the 26 benchmarks both models report on Sophon, GLM 5.1 leads on 18 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 5.1 and Kimi K2.5 compare on GPQA Diamond?
- GLM 5.1 scores 83.9% and Kimi K2.5 scores 78.9% on GPQA Diamond.
- Which is cheaper, GLM 5.1 or Kimi K2.5?
- Kimi K2.5 is cheaper at $3.00 per million output tokens against $4.40 for GLM 5.1 - about 1.5x.
- When were GLM 5.1 and Kimi K2.5 released?
- GLM 5.1 was released 7 Apr 2026 by Zai. Kimi K2.5 was released 27 Jan 2026 by Moonshot AI.
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