GPT-6 Astra vs gpt-oss-120b
Head to head on 6 shared benchmarks, with price, context window, and release dates.
Benchmark scores
61evals · sort by any column, ⤢ to expand fullscreen
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| GPT-6 Astra OpenAI | 92.0% | 2164elo | 82.8 | 96.1% | 54.7% | 56.5% | 59.3% | - | - | 95.0% | 98.5% | 99.9% | 41.4% | - | - | 95.9% | 91.5% | - | 74.1% | 100.0% | 42.4% | 53.5% | 53.3% | 97.6% | 37.8% | - | 63.4% | - | 60.3% | - | - | - | - | - | - | - | - | - | - | 48.5% | 87.9% | - | - | 96.3% | 0.84 | 72.6% | 99.0% | 46.4% | 92.7% | 85.4% | - | 88.0% | - | - | 57.9% | - | 64.6% | - | 66.6% | 89.6% | - | 74.5% |
| gpt-oss-120b OpenAI | 12.0% | 959elo | 35.8 | 78.2% | 19.6% | 34.0% | - | 41.8% | 93.4% | - | - | - | - | 38.9% | 7.6% | - | - | 58.2% | - | - | - | - | - | - | - | 57.6 | - | 69.0% | - | 51.0% | 60.2% | 38.8% | 50.3% | 48.6% | 68.9% | 39.2% | 87.8% | 1.62 | 1.53 | - | - | 80.0% | 80.8% | - | - | - | - | - | - | - | 97.9% | - | 26.0% | 71.6% | - | 23.5% | - | 65.6% | - | - | 65.8% | 54.2% |
2 / 2 models
| Attribute | GPT-6 Astra OpenAI | gpt-oss-120b OpenAI |
|---|---|---|
| Description | 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. | GPT-Oss 120b is an AI model from OpenAI, released with open weights. |
| Family | GPT | GPT |
| Params | - | - |
| Open weights | closed | open |
| License | - | apache-2.0 |
| Released | 3 Sep 2026 | 5 Aug 2025 |
| Context | 1,050,000 | 131,072 |
| Input $/1M | $10.00 | $0.15 |
| Output $/1M | $50.00 | $0.59 |
| Cache read $/1M | $1.000 | $0.030 |
| Cache write $/1M | $12.500 | - |
| Speed | 63 tok/s | 217 tok/s |
| Latency | 198.54 s | 0.45 s |
| Modalities | file, image, text | text |
| Providers | openai | - |
| Publisher | OpenAI | OpenAI |
| Reported scores | GPQA Diamond78.2% (AA) Humanity's Last Exam (HLE)19.6% (AA) LiveCodeBench87.8% (AA) MMLU-Pro80.8% (AA) SciCode34.0% (AA) |
FAQ
- Is GPT-6 Astra or gpt-oss-120b better?
- Across the 6 benchmarks both models report on Sophon, GPT-6 Astra leads on 6 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-6 Astra and gpt-oss-120b compare on GPQA Diamond?
- GPT-6 Astra scores 96.1% and gpt-oss-120b scores 78.2% on GPQA Diamond.
- Which is cheaper, GPT-6 Astra or gpt-oss-120b?
- gpt-oss-120b is cheaper at $0.59 per million output tokens against $50.00 for GPT-6 Astra - about 84.0x.
- When were GPT-6 Astra and gpt-oss-120b released?
- GPT-6 Astra was released 3 Sep 2026 by OpenAI. gpt-oss-120b was released 5 Aug 2025 by OpenAI.
Other head-to-heads
56GPT-5 Mini vs gpt-oss-120b25 shared evalsClaude Sonnet 4.5 vs gpt-oss-120b23 shared evalsDeepSeek V3.2 vs gpt-oss-120b23 shared evalsGPT-5 Nano vs gpt-oss-120b22 shared evalsGPT-5.2 vs gpt-oss-120b22 shared evalsClaude Opus 4.5 vs gpt-oss-120b21 shared evalsClaude 4 Sonnet vs gpt-oss-120b21 shared evalsgpt-oss-120b vs Grok 4.1 Fast20 shared evalsGLM 4.7 vs gpt-oss-120b20 shared evalsGPT-5.5 vs GPT-6 Astra19 shared evalsGPT-5.5 vs gpt-oss-120b19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsClaude Opus 4.6 vs gpt-oss-120b19 shared evalsgpt-oss-120b vs Kimi K2.519 shared evalsGLM 5.1 vs gpt-oss-120b19 shared evalsGemini 2.5 Pro vs gpt-oss-120b19 shared evalsGemini 3.1 Pro Preview vs gpt-oss-120b18 shared evalsClaude Opus 4.8 vs gpt-oss-120b18 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsClaude Fable 5 vs gpt-oss-120b18 shared evalsGPT-5.4 vs gpt-oss-120b18 shared evalsClaude Sonnet 4.6 vs gpt-oss-120b18 shared evalsClaude Opus 4.7 vs gpt-oss-120b18 shared evalsGPT-5 vs gpt-oss-120b17 shared evalsGPT-4o vs gpt-oss-120b17 shared evalsGPT-5.4 Mini vs gpt-oss-120b17 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 shared evalsGPT-4.1 vs gpt-oss-120b16 shared evalsgpt-oss-120b vs Qwen3.6 Plus16 shared evalsGPT-4.1 Mini vs gpt-oss-120b15 shared evalsGPT-4o-mini vs gpt-oss-120b15 shared evalsClaude Opus 4.7 vs GPT-6 Astra14 shared evalsGLM 5.1 vs GPT-6 Astra14 shared evalsGPT-4.1 Nano vs gpt-oss-120b14 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 evalsClaude Sonnet 4.5 vs GPT-6 Astra11 shared evalsClaude Opus 4.5 vs GPT-6 Astra11 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-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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