Model comparison
GPT-5.4 mini vs Nova 2.0 Pro Preview
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 33.4 on the Noometry Index.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. GPT-5.4 mini scores higher in 3 categories and Nova 2.0 Pro Preview in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in agentic & tool use, where GPT-5.4 mini leads 29.9 to 21.9.
- The biggest single-benchmark swing is CritPt: 10% for GPT-5.4 mini and 0% for Nova 2.0 Pro Preview.
Side by side
| GPT-5.4 mini | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 45.0 | 33.4 |
| Released | 2026-03-17 | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.75 | — |
| Output $ / M tokens | $4.50 | — |
| Results tracked | 46 | 3 |
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Category by category
Coding GPT-5.4 mini leads
GPT-5.4 mini: 45.2 (#72), Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| SciCode | 49.9% | 42.7% |
| FrontierCode | 27% | — |
| LMArena WebDev | 1397 | — |
| WeirdML | 60.3% | — |
| LMArena Coding | 1438 | — |
| ALE-Bench | 1,189 | — |
Agentic & Tool Use GPT-5.4 mini leads
GPT-5.4 mini: 29.9 (#81), Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| DeepResearch Bench | 36.3% | — |
| GDP.pdf | — | 2% |
Reasoning GPT-5.4 mini leads
GPT-5.4 mini: 30.4 (#85), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| CritPt | 10% | 0% |
| ARC-AGI-2 | 18.9% | — |
| Kagi LLM Benchmark | 37.9% | — |
| NYT Connections (extended) | 61.8% | — |
| ARC-AGI-1 | 63.7% | — |
| Chess Puzzles | 24% | — |
| Thematic Generalization | 61.7% | — |
| LMArena Hard Prompts | 1424 | — |
| Mystery Game Puzzles | 11% | — |
| DTBench | 80% | — |
| LMCA | 40.8% | — |
| Epoch Capabilities Index | 148.84 | — |
| ForecastBench | 57 | — |
Math Not comparable
GPT-5.4 mini: 45.5 (#75), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| FrontierMath (Tiers 1-3) | 51.2% | — |
| FrontierMath Tier 4 | 9.8% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 21% | — |
| LMArena Math | 1419 | — |
| FrontierMath (Feb 2025 set) | 28.3% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Not comparable
GPT-5.4 mini: 51.5 (#67), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| GPQA Diamond | 86.9% | — |
| SimpleQA Verified | 29.4% | — |
| Vectara Hallucination Rate | 5.5% | — |
| LMArena Expert | 1435 | — |
Multimodal Not comparable
GPT-5.4 mini: 39.7 (#56), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Vision | 1245 | — |
Multilingual Not comparable
GPT-5.4 mini: 51.9 (#96), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1405 | — |
| LMArena Chinese | 1446 | — |
| LMArena French | 1440 | — |
| LMArena German | 1409 | — |
| LMArena Japanese | 1374 | — |
| LMArena Korean | 1368 | — |
| LMArena Russian | 1417 | — |
| LMArena Spanish | 1405 | — |
Instruction Following Not comparable
GPT-5.4 mini: 74.1 (#102), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1405 | — |
Long Context Not comparable
GPT-5.4 mini: 43.0 (#112), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1407 | — |
Writing & Preference Not comparable
GPT-5.4 mini: 64.0 (#58), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5.4 mini | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1412 | — |
| LMArena Creative Writing | 1370 | — |
| EQ-Bench Creative Writing | 1665 | — |
| LMArena Multi-Turn | 1429 | — |
Frequently asked questions
Is GPT-5.4 mini better than Nova 2.0 Pro Preview?
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 33.4 on the Noometry Index.
Is GPT-5.4 mini or Nova 2.0 Pro Preview better for coding?
GPT-5.4 mini scores higher on coding benchmarks: 45.2 versus 40.8 in the Noometry coding category.
How many benchmarks do GPT-5.4 mini and Nova 2.0 Pro Preview share?
2 benchmarks have published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Nova 2.0 Pro Preview has 3.