Model comparison
Amazon Nova Pro vs GPT-5 Pro
GPT-5 Pro is the stronger model overall, scoring 46.4 to 31.0 on the Noometry Index. Amazon Nova Pro costs 29× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. Amazon Nova Pro scores higher in 0 categories and GPT-5 Pro in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 27.4.
- The biggest single-benchmark swing is Humanity's Last Exam: 4.4% for Amazon Nova Pro and 31.6% for GPT-5 Pro.
- Amazon Nova Pro is cheaper at $0.80 / $3.20 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
- GPT-5 Pro accepts more context: 400K tokens versus 300K.
Side by side
| Amazon Nova Pro | GPT-5 Pro | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 31.0 | 46.4 |
| Released | 2024-12-03 | 2025-10-06 |
| Weights | Proprietary | Proprietary |
| Context window | 300K | 400K |
| Max output | 10K | 272K |
| Input $ / M tokens | $0.80 | $15 |
| Output $ / M tokens | $3.20 | $120 |
| Results tracked | 38 | 12 |
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Category by category
Coding GPT-5 Pro leads
Amazon Nova Pro: 35.1 (#229), GPT-5 Pro: 44.0 (#80)
| Benchmark | Amazon Nova Pro | GPT-5 Pro |
|---|---|---|
| WeirdML | — | 60.4% |
| LiveBench Coding | 38.1% | — |
| LMArena Coding | 1270 | — |
| AlgoTune | — | 1.31 |
Agentic & Tool Use Not comparable
Amazon Nova Pro: 16.7 (#147), GPT-5 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5 Pro |
|---|---|---|
| Berkeley Function Calling Leaderboard | 25% | — |
| TheAgentCompany | 1.7% | — |
Reasoning GPT-5 Pro leads
Amazon Nova Pro: 20.0 (#243), GPT-5 Pro: 38.9 (#62)
| Benchmark | Amazon Nova Pro | GPT-5 Pro |
|---|---|---|
| Epoch Capabilities Index | 123.8 | 150.28 |
| ARC-AGI-2 | — | 18.3% |
| SimpleBench | — | 61.6% |
| Kagi LLM Benchmark | — | 76.8% |
| ARC-AGI-1 | — | 70.2% |
| EnigmaEval | — | 18.8% |
| LiveBench Reasoning | 32.6% | — |
| LMArena Hard Prompts | 1246 | — |
| LiveBench Data Analysis | 48.3% | — |
| LiveBench | 43.5% | — |
Math GPT-5 Pro leads
Amazon Nova Pro: 28.5 (#243), GPT-5 Pro: 48.5 (#63)
| Benchmark | Amazon Nova Pro | GPT-5 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 55.8% |
| FrontierMath Tier 4 | — | 19.5% |
| Omni-MATH | 24.2% | — |
| LiveBench Math | 38% | — |
| LMArena Math | 1252 | — |
| FrontierMath Tier 4 (v1) | — | 14.6% |
Knowledge GPT-5 Pro leads
Amazon Nova Pro: 27.4 (#250), GPT-5 Pro: 56.7 (#42)
| Benchmark | Amazon Nova Pro | GPT-5 Pro |
|---|---|---|
| Humanity's Last Exam | 4.4% | 31.6% |
| MMLU-Pro | 67.3% | — |
| Confabulations | 30.1% | — |
| Vectara Hallucination Rate | 5.1% | — |
| GPQA (HELM) | 44.6% | — |
| LMArena Expert | 1211 | — |
| MMLU | 82% | — |
Multimodal Not comparable
Amazon Nova Pro: 25.0 (#126), GPT-5 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5 Pro |
|---|---|---|
| LMArena Vision | 980 | — |
Multilingual Not comparable
Amazon Nova Pro: 39.7 (#223), GPT-5 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5 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 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5 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 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5 Pro |
|---|---|---|
| LMArena Longer Query | 1255 | — |
Writing & Preference Not comparable
Amazon Nova Pro: 43.9 (#226), GPT-5 Pro: —
| Benchmark | Amazon Nova Pro | GPT-5 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 Pro?
GPT-5 Pro is the stronger model overall, scoring 46.4 to 31.0 on the Noometry Index. Amazon Nova Pro costs 29× less per token, which makes it the better buy when GPT-5 Pro's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Pro or GPT-5 Pro?
Amazon Nova Pro is cheaper. It lists at $0.80 per million input tokens and $3.20 per million output tokens; GPT-5 Pro lists at $15 and $120.
Is Amazon Nova Pro or GPT-5 Pro better for coding?
GPT-5 Pro scores higher on coding benchmarks: 44.0 versus 35.1 in the Noometry coding category.
Which has the bigger context window?
GPT-5 Pro does, with 400K tokens against 300K.
How many benchmarks do Amazon Nova Pro and GPT-5 Pro share?
2 benchmarks have published results for both models. Amazon Nova Pro has 38 scored results on Noometry and GPT-5 Pro has 12.