Model comparison
Amazon Nova Pro vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 31.0 on the Noometry Index. Amazon Nova Pro costs 48× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Last verified . 3 shared benchmarks.
Summary
- They share 3 benchmarks with published results for both. Amazon Nova Pro scores higher in 0 categories and GPT-5.4 Pro in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 20.0.
- The biggest single-benchmark swing is Humanity's Last Exam: 4.4% for Amazon Nova Pro and 44.3% for GPT-5.4 Pro.
- Amazon Nova Pro is cheaper at $0.80 / $3.20 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro accepts more context: 1.05M tokens versus 300K.
Side by side
| Amazon Nova Pro | GPT-5.4 Pro | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 31.0 | 58.9 |
| Released | 2024-12-03 | 2026-03-05 |
| Weights | Proprietary | Proprietary |
| Context window | 300K | 1.05M |
| Max output | 10K | 128K |
| Input $ / M tokens | $0.80 | $30 |
| Output $ / M tokens | $3.20 | $180 |
| Results tracked | 38 | 16 |
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Category by category
Coding GPT-5.4 Pro leads
Amazon Nova Pro: 35.1 (#229), GPT-5.4 Pro: 43.2 (#90)
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| WeirdML | — | 57.4% |
| LiveBench Coding | 38.1% | — |
| LMArena Coding | 1270 | — |
Agentic & Tool Use Not comparable
Amazon Nova Pro: 16.7 (#147), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
Reasoning GPT-5.4 Pro leads
Amazon Nova Pro: 20.0 (#243), GPT-5.4 Pro: 70.7 (#13)
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| Epoch Capabilities Index | 123.8 | 158.93 |
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| ARC-AGI-1 | — | 94.5% |
| CritPt | — | 30% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| LiveBench Reasoning | 32.6% | — |
| LMArena Hard Prompts | 1246 | — |
| LiveBench Data Analysis | 48.3% | — |
| LiveBench | 43.5% | — |
Math GPT-5.4 Pro leads
Amazon Nova Pro: 28.5 (#243), GPT-5.4 Pro: 72.4 (#22)
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |
| LMArena Math | 1252 | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge GPT-5.4 Pro leads
Amazon Nova Pro: 27.4 (#250), GPT-5.4 Pro: 68.3 (#7)
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| Humanity's Last Exam | 4.4% | 44.3% |
| Vectara Hallucination Rate | 5.1% | 8.3% |
| GPQA Diamond | — | 94.6% |
| SimpleQA Verified | — | 46.3% |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| GPQA (HELM) | 44.6% | — |
| LMArena Expert | 1211 | — |
| MMLU | 82% | — |
Multimodal Not comparable
Amazon Nova Pro: 25.0 (#126), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| LMArena Vision | 980 | — |
Multilingual Not comparable
Amazon Nova Pro: 39.7 (#223), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| LMArena Non-English | 1234 | — |
| LMArena Chinese | 1244 | — |
| LMArena French | 1271 | — |
| LMArena German | 1243 | — |
| LMArena Japanese | 1200 | — |
| LMArena Korean | 1203 | — |
| LMArena Russian | 1240 | — |
| LMArena Spanish | 1182 | — |
Instruction Following Not comparable
Amazon Nova Pro: 64.9 (#226), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| LiveBench Instruction Following | 67.1% | — |
| IFEval | 81.5% | — |
| LMArena Instruction Following | 1235 | — |
Long Context Not comparable
Amazon Nova Pro: 38.1 (#205), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| LMArena Longer Query | 1255 | — |
Writing & Preference Not comparable
Amazon Nova Pro: 43.9 (#226), GPT-5.4 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1259 | — |
| LMArena Creative Writing | 1212 | — |
| Short-Story Creative Writing | 60.5% | — |
| WildBench | 77.7% | — |
| LMArena Multi-Turn | 1246 | — |
| LiveBench Language | 37% | — |
Frequently asked questions
Is Amazon Nova Pro better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 31.0 on the Noometry Index. Amazon Nova Pro costs 48× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Pro or GPT-5.4 Pro?
Amazon Nova Pro is cheaper. It lists at $0.80 per million input tokens and $3.20 per million output tokens; GPT-5.4 Pro lists at $30 and $180.
Is Amazon Nova Pro or GPT-5.4 Pro better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 35.1 in the Noometry coding category.
Which has the bigger context window?
GPT-5.4 Pro does, with 1.05M tokens against 300K.
How many benchmarks do Amazon Nova Pro and GPT-5.4 Pro share?
3 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and GPT-5.4 Pro has 16.