GLM 5 vs GPT-4o
Head to head on 14 shared benchmarks, with price, context window, and release dates.
Benchmark scores
48evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLM 5 Zai | 62.9% | 16.4% | 66.6% | 7.6% | 55.2% | 71.2% | 73.6% | 55.3% | 77.5% | 38.3% | 72.8% | 70.0% | 39.4% | 97.4% | - | - | - | - | - | - | 7.9% | - | 1598elo | 70.9 | 24.7% | - | 97.9 | 82.7% | 48395 | - | 67.9% | 83.5% | 69.1% | - | - | 65.2% | - | - | - | - | - | 73.3 | 69.7% | - | 61.12 | - | 23.4% | - | 56.4% |
| GPT-4o OpenAI | 45.9% | 0.3% | 54.3% | 2.4% | 34.3% | 55.1% | 46.1% | 70.1% | 49.0% | 33.3% | 21.6% | 74.5% | 8.3% | 25.1% | 18.2% | 15.0% | 6.0% | 38 | 0.0% | 0.33 | - | 6.1% | - | - | - | 96.1 | - | - | - | 0.0% | - | - | - | 30.9% | 75.9% | - | 10.8% | 74.8% | 57.4% | 54.0% | 5.71 | - | - | 61.2 | - | 0.98 | - | 32.5% | 33.4% |
2 / 2 models
| Attribute | GLM 5 Zai | GPT-4o OpenAI |
|---|---|---|
| Description | GLM-5 is an AI model from Zai, released with open weights. | GPT-4o is an AI model from OpenAI. |
| Family | Glm | GPT |
| Params | - | - |
| Open weights | open | closed |
| License | mit | proprietary |
| Released | 11 Feb 2026 | 20 Nov 2024 |
| Context | 204,800 | 128,000 |
| Input $/1M | $1.00 | $2.50 |
| Output $/1M | $3.20 | $10.00 |
| Cache read $/1M | $0.120 | $1.250 |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text | text, image, file |
| 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) | Taubench61.2 pass^1 GSM8K96.1 Accuracy ScholarSearch5.71 Social Sciences & Humanities (%) MortgageTax57.4% AIME202438 pass@1 |
FAQ
- Is GLM 5 or GPT-4o better?
- Across the 14 benchmarks both models report on Sophon, GLM 5 leads on 12 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 5 and GPT-4o compare on GPQA Diamond?
- GLM 5 scores 66.6% and GPT-4o scores 54.3% on GPQA Diamond.
- Which is cheaper, GLM 5 or GPT-4o?
- GLM 5 is cheaper at $3.20 per million output tokens against $10.00 for GPT-4o - about 3.1x.
- When were GLM 5 and GPT-4o released?
- GLM 5 was released 11 Feb 2026 by Zai. GPT-4o was released 20 Nov 2024 by OpenAI.
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