Claude Opus 4.6 vs GPT-5.4 Mini
Head to head on 25 shared benchmarks, with price, context window, and release dates.
Benchmark scores
44evals · sort by any column, ⤢ to expand fullscreen
| Model | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Claude Opus 4.6 Anthropic | 56.1% | 67.0% | 1804elo | 77.7 | 40.7% | 84.0% | 19.1% | 44.6% | 84.9% | 78.8% | 78.2% | 69.9% | 63.3% | 83.3% | 89.3% | 88.7% | 68.5% | 50.0% | 51.6% | 45.7% | 76.0% | 48.5% | 80.6 | 57.6% | 84.8% | 99.79 | 1.5 | 2.08 | 71.0% | - | - | 1223elo | - | 88771 | 58 | 78.5% | 48.2% | 86.7% | 93 | 44.5 | 72.0% | 75.6% | - | - | 66.5% |
| GPT-5.4 Mini OpenAI | 37.0% | 60.9% | 1662elo | 73 | 28.3% | 60.6% | 5.9% | 38.8% | 80.3% | 70.9% | 71.6% | 70.9% | 60.3% | 71.5% | 78.6% | 72.5% | 63.5% | 21.0% | 50.8% | 39.6% | 71.2% | 18.2% | 61.7 | 48.0% | 23.4% | - | - | - | - | 21.2% | 3.9% | - | 45.4% | - | - | - | - | - | - | - | - | - | 39.6% | 54.2% | 48.4% |
2 / 2 models
| Attribute | Claude Opus 4.6 Anthropic | GPT-5.4 Mini OpenAI |
|---|---|---|
| Description | Claude Opus 4.6 is an AI model from Anthropic. | GPT-5.4 mini is an AI model from OpenAI. |
| Family | Claude | GPT |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 5 Feb 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 | GPQA Diamond84.0% (AA) Humanity's Last Exam (HLE)19.1% (AA) SciCode45.7% (AA) τ²-bench (Tau²-bench)84.8% (AA) Terminal-Bench (Hard)48.5% (AA) |
FAQ
- Is Claude Opus 4.6 or GPT-5.4 Mini better?
- Across the 25 benchmarks both models report on Sophon, Claude Opus 4.6 leads on 24 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Claude Opus 4.6 and GPT-5.4 Mini compare on GPQA Diamond?
- Claude Opus 4.6 scores 84.0% and GPT-5.4 Mini scores 60.6% on GPQA Diamond.
- Which is cheaper, Claude Opus 4.6 or GPT-5.4 Mini?
- GPT-5.4 Mini is cheaper at $4.50 per million output tokens against $25.00 for Claude Opus 4.6 - about 5.6x.
- When were Claude Opus 4.6 and GPT-5.4 Mini released?
- Claude Opus 4.6 was released 5 Feb 2026 by Anthropic. GPT-5.4 Mini was released 17 Mar 2026 by OpenAI.
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