GLM 5.1 vs GPT-6 Astra
Head to head on 14 shared benchmarks, with price, context window, and release dates.
Benchmark scores
57evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-6 Astra OpenAI | 41.4% | 92.0% | 2164elo | 82.8 | 53.5% | 97.6% | 96.1% | 54.7% | 48.5% | 87.9% | 99.0% | 56.5% | 66.6% | 89.6% | 59.3% | - | 95.0% | 98.5% | 99.9% | - | 95.9% | 91.5% | - | 74.1% | 100.0% | 42.4% | 53.3% | - | 37.8% | - | 63.4% | - | 60.3% | - | - | - | - | - | - | - | - | - | 96.3% | 0.84 | 72.6% | 46.4% | 92.7% | 85.4% | - | - | 88.0% | - | 57.9% | - | 64.6% | - | - | 74.5% |
| GLM 5.1 Zai | 35.9% | 38.0% | 1589elo | 73.5 | 44.8% | 33.5% | 86.8% | 30.1% | 41.6% | 72.3% | 22.2% | 43.8% | 52.5% | 31.5% | - | 20.8% | - | - | - | 1.13 | - | - | 64.5% | - | - | - | - | 34.7% | - | 15.1% | - | 76.3% | - | 72.7% | 75.4% | 63.2% | 68.5% | 71.8% | 84.9% | 72.5% | 67.0% | 85.4% | - | - | - | - | - | - | 34.6% | 5.24 | - | 71.2% | - | 43.2% | - | 69.8 | 97.7% | 55.1% |
2 / 2 models
| Attribute | GLM 5.1 Zai | GPT-6 Astra OpenAI |
|---|---|---|
| Description | GLM-5.1 is an AI model from Zai, released with open weights. | OpenAI's GPT-6 flagship, launched as its best computer-use model: it drives browsers, spreadsheets and desktop applications rather than answering questions about them. Built on OpenAI's largest training run to date and the first model it designates Critical for cybersecurity capability. Rolling out from Daybreak enterprise access to ChatGPT and the API; Pro, Business and Enterprise plans also get a GPT-6 Astra Pro tier. |
| Family | Glm | GPT |
| Params | - | - |
| Open weights | open | closed |
| License | mit | - |
| Released | 7 Apr 2026 | 3 Sep 2026 |
| Context | 204,800 | 1,050,000 |
| Input $/1M | $1.20 | $10.00 |
| Output $/1M | $4.40 | $50.00 |
| Cache read $/1M | $0.179 | $1.000 |
| Cache write $/1M | - | $12.500 |
| Speed | 0 tok/s | 63 tok/s |
| Latency | 0.00 s | 198.54 s |
| Modalities | text | file, image, text |
| Providers | - | openai |
| Publisher | Zai | OpenAI |
| Reported scores | IFBench76.3% (AA) τ²-bench (Tau²-bench)97.7% (AA) Terminal-Bench (Hard)43.2% (AA) Vals Index52.5% Vibe Code Bench v1.131.5% |
FAQ
- Is GLM 5.1 or GPT-6 Astra better?
- Across the 14 benchmarks both models report on Sophon, GPT-6 Astra leads on 14 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GLM 5.1 and GPT-6 Astra compare on GPQA Diamond?
- GLM 5.1 scores 86.8% and GPT-6 Astra scores 96.1% on GPQA Diamond.
- Which is cheaper, GLM 5.1 or GPT-6 Astra?
- GLM 5.1 is cheaper at $4.40 per million output tokens against $50.00 for GPT-6 Astra - about 11.4x.
- When were GLM 5.1 and GPT-6 Astra released?
- GLM 5.1 was released 7 Apr 2026 by Zai. GPT-6 Astra was released 3 Sep 2026 by OpenAI.
Other head-to-heads
56Gemini 3.1 Pro Preview vs GLM 5.132 shared evalsGLM 5.1 vs GPT-5.531 shared evalsClaude Opus 4.7 vs GLM 5.128 shared evalsClaude Opus 4.8 vs GLM 5.127 shared evalsClaude Opus 4.6 vs GLM 5.127 shared evalsGLM 5.1 vs GPT-5.426 shared evalsGLM 5.1 vs Kimi K2.526 shared evalsGLM 5.1 vs GPT-5 Mini25 shared evalsGLM 5.1 vs GPT-5.225 shared evalsClaude Fable 5 vs GLM 5.125 shared evalsClaude Sonnet 4.6 vs GLM 5.125 shared evalsDeepSeek V3.2 vs GLM 5.124 shared evalsGLM 5.1 vs GPT-5.4 Mini24 shared evalsClaude Sonnet 4.5 vs GLM 5.123 shared evalsClaude Opus 4.5 vs GLM 5.123 shared evalsGLM 5.1 vs Qwen3.6 Plus23 shared evalsGLM 5.1 vs Grok 4.1 Fast23 shared evalsGLM 4.7 vs GLM 5.122 shared evalsGLM 5.1 vs GPT-5 Nano21 shared evalsClaude 4 Sonnet vs GLM 5.120 shared evalsGPT-5.5 vs GPT-6 Astra19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsGemini 2.5 Pro vs GLM 5.119 shared evalsGLM 5.1 vs gpt-oss-120b19 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsGLM 5.1 vs GPT-516 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsClaude Opus 4.7 vs GPT-6 Astra14 shared evalsGLM 5.1 vs GPT-4o14 shared evalsGPT-5.2 vs GPT-6 Astra13 shared evalsClaude Opus 4.6 vs GPT-6 Astra13 shared evalsGPT-5.4 vs GPT-6 Astra13 shared evalsGPT-6 Astra vs Kimi K2.513 shared evalsClaude Sonnet 4.6 vs GPT-6 Astra13 shared evalsGPT-5 Mini vs GPT-6 Astra12 shared evalsGPT-5 vs GPT-6 Astra12 shared evalsGPT-5.4 Mini vs GPT-6 Astra12 shared evalsGLM 5.1 vs GPT-4o-mini12 shared evalsGLM 5.1 vs GPT-4.1 Nano12 shared evalsGLM 5.1 vs GPT-4.1 Mini11 shared evalsClaude Sonnet 4.5 vs GPT-6 Astra11 shared evalsClaude Opus 4.5 vs GPT-6 Astra11 shared evalsGLM 5.1 vs GPT-4.111 shared evalsGPT-6 Astra vs Qwen3.6 Plus11 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evalsGemini 2.5 Pro vs GPT-6 Astra10 shared evalsGPT-6 Astra vs Grok 4.1 Fast10 shared evalsDeepSeek V3.2 vs GPT-6 Astra9 shared evalsGLM 4.7 vs GPT-6 Astra9 shared evalsClaude 4 Sonnet vs GPT-6 Astra8 shared evalsGPT-4.1 Mini vs GPT-6 Astra6 shared evalsGPT-4.1 Nano vs GPT-6 Astra6 shared evalsGPT-6 Astra vs gpt-oss-120b6 shared evalsGPT-4.1 vs GPT-6 Astra5 shared evalsGPT-4o-mini vs GPT-6 Astra4 shared evalsGPT-4o vs GPT-6 Astra4 shared evals
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