Claude Opus 4.8 vs GPT-5.4 Mini
Head to head on 26 shared benchmarks, with price, context window, and release dates.
Benchmark scores
46evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 4.8 Anthropic | 15.5% | 66.7% | 1840elo | 80.8 | 53.9% | 47.2% | 92.0% | 48.7% | 62.2% | 80.1% | 79.3% | 78.3% | 67.4% | 81.4% | 84.3% | 89.7% | 69.9% | 69.0% | 54.8% | 53.5% | 75.6% | 58.3% | 55.1% | 70.9% | 82.7% | 94.4% | 80.4% | 14.5% | 62.0% | - | - | 1281elo | 40.0% | 13.4% | 22.5% | 1890elo | 56.9% | - | 10.4% | 91.8% | 53.2% | 85.8% | 83.4% | 69.2% | 82.7% | - | 63.1% |
| GPT-5.4 Mini OpenAI | 37.0% | 60.9% | 1665elo | 73 | 45.4% | 28.3% | 87.5% | 28.1% | 73.3% | 70.9% | 71.6% | 70.9% | 60.3% | 71.5% | 78.6% | 72.5% | 63.5% | 21.0% | 50.8% | 52.1% | 71.2% | 52.3% | 33.2% | 54.2% | 48.0% | 83.3% | - | - | - | 21.2% | 3.9% | - | - | - | - | - | - | 80.3% | - | - | - | - | - | - | - | 61.7 | 55.2% |
2 / 2 models
| Attribute | Claude Opus 4.8 Anthropic | GPT-5.4 Mini OpenAI |
|---|---|---|
| Description | Claude Opus 4.8 (Adaptive Reasoning, Max Effort) is an AI model from Anthropic. | GPT-5.4 mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | - | closed |
| License | - | proprietary |
| Released | 28 May 2026 | 17 Mar 2026 |
| Context | 1,000,000 | 400,000 |
| Input $/1M | $5.00 | $0.75 |
| Output $/1M | $25.00 | $4.50 |
| Cache read $/1M | $0.500 | $0.075 |
| Cache write $/1M | $6.250 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | file, image, text |
| Providers | - | - |
| Publisher | Anthropic | OpenAI |
| Reported scores |
FAQ
- Is Claude Opus 4.8 or GPT-5.4 Mini better?
- Across the 26 benchmarks both models report on Sophon, Claude Opus 4.8 leads on 24 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-5.4 Mini compare on GPQA Diamond?
- Claude Opus 4.8 scores 92.0% and GPT-5.4 Mini scores 87.5% on GPQA Diamond.
- Which is cheaper, Claude Opus 4.8 or GPT-5.4 Mini?
- GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $25.00 for Claude Opus 4.8 - about 5.6x.
- When were Claude Opus 4.8 and GPT-5.4 Mini released?
- Claude Opus 4.8 was released 28 May 2026 by Anthropic. GPT-5.4 Mini was released 17 Mar 2026 by OpenAI.
Other head-to-heads
56Claude Opus 4.8 vs GPT-5.541 shared evalsClaude Fable 5 vs Claude Opus 4.840 shared evalsClaude Opus 4.8 vs Gemini 3.1 Pro Preview38 shared evalsGemini 3.1 Pro Preview vs GPT-5.4 Mini30 shared evalsClaude Opus 4.7 vs Claude Opus 4.830 shared evalsClaude Opus 4.8 vs Claude Sonnet 4.629 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 evalsClaude Sonnet 4.6 vs GPT-5.4 Mini28 shared evalsClaude Opus 4.8 vs GLM 5.127 shared evalsGPT-5.4 Mini vs GPT-5.427 shared evalsGPT-5.4 Mini vs GPT-5.526 shared evalsClaude Opus 4.8 vs GPT-5.226 shared evalsClaude Opus 4.7 vs GPT-5.4 Mini26 shared evalsClaude Opus 4.8 vs Claude Sonnet 4.525 shared evalsGPT-5.4 Mini vs GPT-5.225 shared evalsClaude Opus 4.8 vs Qwen3.6 Plus25 shared evalsClaude Opus 4.5 vs GPT-5.4 Mini25 shared evalsClaude Fable 5 vs GPT-5.4 Mini25 shared evalsClaude Opus 4.6 vs GPT-5.4 Mini25 shared evalsGPT-5.4 Mini vs Kimi K2.525 shared evalsClaude Opus 4.8 vs GPT-5 Mini24 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 evalsGLM 5.1 vs GPT-5.4 Mini24 shared evalsGPT-5.4 Mini vs Qwen3.6 Plus24 shared evalsClaude Sonnet 4.5 vs GPT-5.4 Mini23 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 evalsDeepSeek V3.2 vs GPT-5.4 Mini22 shared evalsGPT-5.4 Mini vs Grok 4.1 Fast22 shared evalsClaude Opus 4.8 vs GLM 4.721 shared evalsGPT-5.4 Mini vs GPT-5 Nano20 shared evalsClaude Opus 4.8 vs Gemini 2.5 Pro20 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsClaude 4 Sonnet vs GPT-5.4 Mini19 shared evalsGLM 4.7 vs GPT-5.4 Mini19 shared evalsClaude Opus 4.8 vs gpt-oss-120b18 shared evalsGemini 2.5 Pro vs GPT-5.4 Mini18 shared evalsClaude Opus 4.8 vs GPT-517 shared evalsGPT-5.4 Mini vs gpt-oss-120b17 shared evalsGPT-5 vs GPT-5.4 Mini16 shared evalsClaude Opus 4.8 vs GPT-4o14 shared evalsGPT-4o vs GPT-5.4 Mini14 shared evalsClaude Opus 4.8 vs GPT-4o-mini12 shared evalsClaude Opus 4.8 vs GPT-4.1 Nano12 shared evalsGPT-4o-mini vs GPT-5.4 Mini12 shared evalsGPT-5.4 Mini vs GPT-6 Astra12 shared evalsGPT-4.1 Nano vs GPT-5.4 Mini12 shared evalsClaude Opus 4.8 vs GPT-4.1 Mini11 shared evalsGPT-4.1 Mini vs GPT-5.4 Mini11 shared evalsClaude Opus 4.8 vs GPT-4.111 shared evalsGPT-4.1 vs GPT-5.4 Mini11 shared evals
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