Claude Opus 4.8 vs GPT-5 Mini
Head to head on 24 shared benchmarks, with price, context window, and release dates.
Benchmark scores
83evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Claude Opus 4.8 Anthropic | 66.7% | 1840elo | 80.8 | 47.2% | 92.0% | 48.7% | 62.2% | 80.1% | 79.3% | 78.3% | 67.4% | 81.4% | 84.3% | 89.7% | 53.2% | 85.8% | 69.9% | 69.0% | 54.8% | 53.5% | 75.6% | 58.3% | 82.7% | 94.4% | - | - | - | 15.5% | - | - | 80.4% | - | 14.5% | - | - | - | - | 62.0% | - | - | - | - | - | 1281elo | 40.0% | - | 53.9% | - | 13.4% | 22.5% | 1890elo | - | - | - | 56.9% | - | - | 10.4% | - | - | - | - | 91.8% | - | - | 83.4% | - | - | - | - | 69.2% | 82.7% | - | - | - | - | - | 55.1% | 70.9% | - | - | - | - | 63.1% |
| GPT-5 Mini OpenAI | 60.2% | 1313elo | 56.2 | 27.2% | 82.8% | 21.5% | 75.4% | 69.1% | 68.2% | 55.2% | 65.3% | 75.5% | 82.2% | 68.3% | 43.0% | 80.6% | 66.9% | 9.0% | 43.0% | 39.0% | 75.2% | 33.3% | 14.2% | 68.4% | 0.0% | 90.7% | 0.0% | - | 1.13 | 0.0% | - | -0.15 | - | 20.0% | 25.0% | 40.0% | 1.7 | - | 100.0% | 18.1% | 2.8% | 100.0% | 66.7% | - | - | 0.0% | - | 88.3% | - | - | - | 60.0% | 100.0% | 90.0% | - | 47.2% | 80.0% | - | 83.8% | 0.0% | 1.54 | 1.54 | - | 80.0% | 83.7% | - | 16.8% | 4.95 | 39.7% | 59.8% | - | - | 0.0% | 9.5% | 0.0% | 86.1% | 0.49 | - | - | 39.21 | 272.11 | 86.0% | 86.0% | 51.6% |
2 / 2 models
| Attribute | Claude Opus 4.8 Anthropic | GPT-5 Mini OpenAI |
|---|---|---|
| Description | Claude Opus 4.8 (Adaptive Reasoning, Max Effort) is an AI model from Anthropic. | GPT-5 mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | - | closed |
| License | - | proprietary |
| Released | 28 May 2026 | 7 Aug 2025 |
| Context | 1,000,000 | 400,000 |
| Input $/1M | $5.00 | $0.25 |
| Output $/1M | $25.00 | $2.00 |
| Cache read $/1M | $0.500 | $0.025 |
| Cache write $/1M | $6.250 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | text, image, file |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores |
FAQ
- Is Claude Opus 4.8 or GPT-5 Mini better?
- Across the 24 benchmarks both models report on Sophon, Claude Opus 4.8 leads on 23 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Opus 4.8 and GPT-5 Mini compare on GPQA Diamond?
- Claude Opus 4.8 scores 92.0% and GPT-5 Mini scores 82.8% on GPQA Diamond.
- Which is cheaper, Claude Opus 4.8 or GPT-5 Mini?
- GPT-5 Mini is cheaper at $2.00 per million output tokens against $25.00 for Claude Opus 4.8 - about 12.5x.
- When were Claude Opus 4.8 and GPT-5 Mini released?
- Claude Opus 4.8 was released 28 May 2026 by Anthropic. GPT-5 Mini was released 7 Aug 2025 by OpenAI.
Other head-to-heads
56Claude Opus 4.8 vs GPT-5.541 shared evalsClaude Fable 5 vs Claude Opus 4.840 shared evalsGPT-5 Mini vs GPT-5 Nano38 shared evalsClaude Opus 4.8 vs Gemini 3.1 Pro Preview38 shared evalsGPT-5 vs GPT-5 Mini36 shared evalsGPT-4.1 Mini vs GPT-5 Mini32 shared evalsGPT-5 Mini vs GPT-5.232 shared evalsClaude Sonnet 4.5 vs GPT-5 Mini31 shared evalsClaude Opus 4.5 vs GPT-5 Mini31 shared evalsClaude Opus 4.7 vs Claude Opus 4.830 shared evalsClaude 4 Sonnet vs GPT-5 Mini29 shared evalsClaude Opus 4.8 vs Claude Sonnet 4.629 shared evalsClaude Opus 4.6 vs GPT-5 Mini28 shared evalsClaude Opus 4.6 vs Claude Opus 4.828 shared evalsClaude Opus 4.8 vs GPT-5.428 shared evalsClaude Opus 4.8 vs Kimi K2.528 shared evalsGemini 3.1 Pro Preview vs GPT-5 Mini27 shared evalsGPT-5 Mini vs GPT-5.427 shared evalsClaude Opus 4.8 vs GLM 5.127 shared evalsDeepSeek V3.2 vs GPT-5 Mini26 shared evalsGemini 2.5 Pro vs GPT-5 Mini26 shared evalsGPT-5 Mini vs Grok 4.1 Fast26 shared evalsClaude Opus 4.8 vs GPT-5.226 shared evalsClaude Opus 4.8 vs GPT-5.4 Mini26 shared evalsClaude Opus 4.8 vs Claude Sonnet 4.525 shared evalsGPT-5 Mini vs GPT-5.525 shared evalsGPT-5 Mini vs Kimi K2.525 shared evalsGLM 5.1 vs GPT-5 Mini25 shared evalsClaude Opus 4.7 vs GPT-5 Mini25 shared evalsGPT-5 Mini vs gpt-oss-120b25 shared evalsGLM 4.7 vs GPT-5 Mini25 shared evalsClaude Opus 4.8 vs Qwen3.6 Plus25 shared evalsGPT-5.4 Mini vs GPT-5 Mini24 shared evalsClaude Opus 4.5 vs Claude Opus 4.824 shared evalsClaude Opus 4.8 vs Grok 4.1 Fast24 shared evalsClaude Fable 5 vs GPT-5 Mini23 shared evalsClaude Sonnet 4.6 vs GPT-5 Mini23 shared evalsGPT-4.1 vs GPT-5 Mini22 shared evalsClaude Opus 4.8 vs GPT-5 Nano22 shared evalsClaude 4 Sonnet vs Claude Opus 4.822 shared evalsClaude Opus 4.8 vs DeepSeek V3.222 shared evalsGPT-5 Mini vs Qwen3.6 Plus21 shared evalsGPT-4.1 Nano vs GPT-5 Mini21 shared evalsClaude Opus 4.8 vs GLM 4.721 shared evalsGPT-4o vs GPT-5 Mini20 shared evalsClaude Opus 4.8 vs Gemini 2.5 Pro20 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsGPT-4o-mini vs GPT-5 Mini18 shared evalsClaude Opus 4.8 vs gpt-oss-120b18 shared evalsClaude Opus 4.8 vs GPT-517 shared evalsClaude Opus 4.8 vs GPT-4o14 shared evalsGPT-5 Mini vs GPT-6 Astra12 shared evalsClaude Opus 4.8 vs GPT-4o-mini12 shared evalsClaude Opus 4.8 vs GPT-4.1 Nano12 shared evalsClaude Opus 4.8 vs GPT-4.1 Mini11 shared evalsClaude Opus 4.8 vs GPT-4.111 shared evals
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