GLM 5 vs GPT-5.2
Head to head on 23 shared benchmarks, with price, context window, and release dates.
Benchmark scores
49evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5 Zai | 62.9% | 1598elo | 70.9 | 16.4% | 66.6% | 7.6% | 55.2% | 82.7% | 71.2% | 73.6% | 67.9% | 55.3% | 77.5% | 83.5% | 69.1% | 65.2% | 38.3% | 69.7% | 72.8% | 70.0% | 39.4% | 23.4% | 97.4% | - | - | - | - | - | - | - | - | 7.9% | 24.7% | - | 97.9 | - | 48395 | - | - | - | - | - | - | - | - | - | - | 73.3 | 61.12 | 56.4% |
| GPT-5.2 OpenAI | 65.9% | 1699elo | 71.6 | 40.7% | 71.2% | 8.0% | 47.4% | 79.0% | 78.7% | 76.1% | 78.2% | 61.8% | 79.8% | 93.2% | 83.2% | 72.0% | 40.4% | 66.7% | 71.8% | 75.8% | 31.8% | 53.5% | 46.5% | 51.0% | 100 | 100.0% | 0.0% | 16.7% | 60.0% | 40.6% | 9.4% | - | - | 12.93 | - | 85.0% | - | 66.9% | 24.0% | 49.7% | 84.4% | 81.4% | 67.1% | 96.7 | 18.7% | 15.0% | 49.3% | - | - | 56.3% |
2 / 2 models
| Attribute | GLM 5 Zai | GPT-5.2 OpenAI |
|---|---|---|
| Description | GLM-5 is an AI model from Zai, released with open weights. | GPT-5.2 is an AI model from OpenAI. |
| Family | Glm | GPT |
| Params | - | - |
| Open weights | open | closed |
| License | mit | proprietary |
| Released | 11 Feb 2026 | 11 Dec 2025 |
| Context | 204,800 | 400,000 |
| Input $/1M | $1.00 | $1.75 |
| Output $/1M | $3.20 | $14.00 |
| Cache read $/1M | $0.120 | $0.175 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text | file, image, text |
| Providers | - | - |
| Publisher | Zai | OpenAI |
| 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 GLM 5 or GPT-5.2 better?
- Across the 23 benchmarks both models report on Sophon, GPT-5.2 leads on 17 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 5 and GPT-5.2 compare on GPQA Diamond?
- GLM 5 scores 66.6% and GPT-5.2 scores 71.2% on GPQA Diamond.
- Which is cheaper, GLM 5 or GPT-5.2?
- GLM 5 is cheaper at $3.20 per million output tokens against $14.00 for GPT-5.2 - about 4.4x.
- When were GLM 5 and GPT-5.2 released?
- GLM 5 was released 11 Feb 2026 by Zai. GPT-5.2 was released 11 Dec 2025 by OpenAI.
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