Model comparison
GPT-5.4 mini vs Nova Premier 1.0
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 38.3 on the Noometry Index.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. GPT-5.4 mini scores higher in 5 categories and Nova Premier 1.0 in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.4 mini leads 51.5 to 35.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 37.9% for GPT-5.4 mini and 44.8% for Nova Premier 1.0.
- GPT-5.4 mini is cheaper at $0.75 / $4.50 per million input/output tokens, against $2.50 / $12.50 for Nova Premier 1.0.
- Nova Premier 1.0 accepts more context: 1M tokens versus 400K.
Side by side
| GPT-5.4 mini | Nova Premier 1.0 | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 45.0 | 38.3 |
| Released | 2026-03-17 | 2025-04-30 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | 1M |
| Max output | 128K | 10K |
| Input $ / M tokens | $0.75 | $2.50 |
| Output $ / M tokens | $4.50 | $12.50 |
| Results tracked | 46 | 6 |
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Category by category
Coding Not comparable
GPT-5.4 mini: 45.2 (#72), Nova Premier 1.0: —
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| FrontierCode | 27% | — |
| LMArena WebDev | 1397 | — |
| SciCode | 49.9% | — |
| WeirdML | 60.3% | — |
| LMArena Coding | 1438 | — |
| ALE-Bench | 1,189 | — |
Agentic & Tool Use Not comparable
GPT-5.4 mini: 29.9 (#81), Nova Premier 1.0: —
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| DeepResearch Bench | 36.3% | — |
Reasoning GPT-5.4 mini leads
GPT-5.4 mini: 30.4 (#85), Nova Premier 1.0: 23.0 (#185)
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| Kagi LLM Benchmark | 37.9% | 44.8% |
| ARC-AGI-2 | 18.9% | — |
| NYT Connections (extended) | 61.8% | — |
| ARC-AGI-1 | 63.7% | — |
| CritPt | 10% | — |
| 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 GPT-5.4 mini leads
GPT-5.4 mini: 45.5 (#75), Nova Premier 1.0: 33.8 (#199)
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 51.2% | — |
| FrontierMath Tier 4 | 9.8% | — |
| OTIS Mock AIME 2024-2025 | 88.9% | — |
| ProofBench | 21% | — |
| Omni-MATH | — | 35% |
| LMArena Math | 1419 | — |
| FrontierMath (Feb 2025 set) | 28.3% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge GPT-5.4 mini leads
GPT-5.4 mini: 51.5 (#67), Nova Premier 1.0: 35.8 (#180)
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| GPQA Diamond | 86.9% | — |
| SimpleQA Verified | 29.4% | — |
| MMLU-Pro | — | 72.6% |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1435 | — |
Multimodal Not comparable
GPT-5.4 mini: 39.7 (#56), Nova Premier 1.0: —
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| LMArena Vision | 1245 | — |
Multilingual Not comparable
GPT-5.4 mini: 51.9 (#96), Nova Premier 1.0: —
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| 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 GPT-5.4 mini leads
GPT-5.4 mini: 74.1 (#102), Nova Premier 1.0: 66.8 (#204)
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1405 | — |
Long Context Not comparable
GPT-5.4 mini: 43.0 (#112), Nova Premier 1.0: —
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| LMArena Longer Query | 1407 | — |
Writing & Preference GPT-5.4 mini leads
GPT-5.4 mini: 64.0 (#58), Nova Premier 1.0: 51.0 (#178)
| Benchmark | GPT-5.4 mini | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1412 | — |
| LMArena Creative Writing | 1370 | — |
| EQ-Bench Creative Writing | 1665 | — |
| WildBench | — | 78.8% |
| LMArena Multi-Turn | 1429 | — |
Frequently asked questions
Is GPT-5.4 mini better than Nova Premier 1.0?
GPT-5.4 mini is the stronger model overall, scoring 45.0 to 38.3 on the Noometry Index.
Which is cheaper, GPT-5.4 mini or Nova Premier 1.0?
GPT-5.4 mini is cheaper. It lists at $0.75 per million input tokens and $4.50 per million output tokens; Nova Premier 1.0 lists at $2.50 and $12.50.
Which has the bigger context window?
Nova Premier 1.0 does, with 1M tokens against 400K.
How many benchmarks do GPT-5.4 mini and Nova Premier 1.0 share?
1 benchmark has published results for both models. GPT-5.4 mini has 46 scored results on Noometry and Nova Premier 1.0 has 6.