Model comparison
Claude 3 Opus vs GPT-5.4 mini
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 29.5 on the Noometry Index.
Last verified . 27 shared benchmarks.
Summary
- They share 27 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and GPT-5.4 mini in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.4 mini leads 45.5 to 14.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 88.9% for GPT-5.4 mini.
Side by side
| Claude 3 Opus | GPT-5.4 mini | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | 29.5 | 45.0 |
| Released | 2024-02-29 | 2026-03-17 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.75 |
| Output $ / M tokens | — | $4.50 |
| Results tracked | 46 | 46 |
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Category by category
Coding GPT-5.4 mini leads
Claude 3 Opus: 32.9 (#267), GPT-5.4 mini: 45.2 (#72)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| WeirdML | 19.2% | 60.3% |
| LMArena Coding | 1264 | 1438 |
| FrontierCode | — | 27% |
| LMArena WebDev | — | 1397 |
| SciCode | — | 49.9% |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| ALE-Bench | — | 1,189 |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |
Agentic & Tool Use GPT-5.4 mini leads
Claude 3 Opus: 24.6 (#116), GPT-5.4 mini: 29.9 (#81)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| Cybench | 10% | — |
| DeepResearch Bench | — | 36.3% |
| METR Time Horizons | 29.5% | — |
Reasoning GPT-5.4 mini leads
Claude 3 Opus: 14.6 (#324), GPT-5.4 mini: 30.4 (#85)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| Chess Puzzles | 5% | 24% |
| LMArena Hard Prompts | 1245 | 1424 |
| DTBench | 61.6% | 80% |
| LMCA | 17% | 40.8% |
| Epoch Capabilities Index | 126.91 | 148.84 |
| ForecastBench | 58.4 | 57 |
| ARC-AGI-2 | — | 18.9% |
| SimpleBench | 23.5% | — |
| Kagi LLM Benchmark | — | 37.9% |
| NYT Connections (extended) | — | 61.8% |
| ARC-AGI-1 | — | 63.7% |
| CritPt | — | 10% |
| EnigmaEval | 0.8% | — |
| Thematic Generalization | — | 61.7% |
| LiveBench Reasoning | 40.6% | — |
| Mystery Game Puzzles | — | 11% |
| LiveBench Data Analysis | 57.9% | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |
Math GPT-5.4 mini leads
Claude 3 Opus: 14.8 (#299), GPT-5.4 mini: 45.5 (#75)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 88.9% |
| LMArena Math | 1273 | 1419 |
| FrontierMath (Tiers 1-3) | — | 51.2% |
| FrontierMath Tier 4 | — | 9.8% |
| ProofBench | — | 21% |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |
| FrontierMath (Feb 2025 set) | — | 28.3% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge GPT-5.4 mini leads
Claude 3 Opus: 24.5 (#267), GPT-5.4 mini: 51.5 (#67)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| GPQA Diamond | 47.2% | 86.9% |
| SimpleQA Verified | 12.6% | 29.4% |
| LMArena Expert | 1223 | 1435 |
| Confabulations | 22.7% | — |
| Vectara Hallucination Rate | — | 5.5% |
| MMLU | 84.6% | — |
Multimodal GPT-5.4 mini leads
Claude 3 Opus: 27.1 (#116), GPT-5.4 mini: 39.7 (#56)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| LMArena Vision | 1023 | 1245 |
Multilingual GPT-5.4 mini leads
Claude 3 Opus: 41.4 (#207), GPT-5.4 mini: 51.9 (#96)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| LMArena Non-English | 1258 | 1405 |
| LMArena Chinese | 1248 | 1446 |
| LMArena French | 1275 | 1440 |
| LMArena German | 1258 | 1409 |
| LMArena Japanese | 1204 | 1374 |
| LMArena Korean | 1187 | 1368 |
| LMArena Russian | 1280 | 1417 |
| LMArena Spanish | 1246 | 1405 |
Instruction Following GPT-5.4 mini leads
Claude 3 Opus: 64.1 (#228), GPT-5.4 mini: 74.1 (#102)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| LMArena Instruction Following | 1248 | 1405 |
| LiveBench Instruction Following | 63.9% | — |
Long Context GPT-5.4 mini leads
Claude 3 Opus: 38.2 (#202), GPT-5.4 mini: 43.0 (#112)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| LMArena Longer Query | 1259 | 1407 |
Writing & Preference GPT-5.4 mini leads
Claude 3 Opus: 47.2 (#213), GPT-5.4 mini: 64.0 (#58)
| Benchmark | Claude 3 Opus | GPT-5.4 mini |
|---|---|---|
| LMArena Text | 1262 | 1412 |
| LMArena Creative Writing | 1235 | 1370 |
| LMArena Multi-Turn | 1275 | 1429 |
| EQ-Bench Creative Writing | — | 1665 |
| LiveBench Language | 50.4% | — |
Frequently asked questions
Is Claude 3 Opus better than GPT-5.4 mini?
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 29.5 on the Noometry Index.
Is Claude 3 Opus or GPT-5.4 mini better for coding?
GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 32.9 in the Noometry coding category.
How many benchmarks do Claude 3 Opus and GPT-5.4 mini share?
27 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and GPT-5.4 mini has 46.