Model comparison
GPT-5 Nano vs Nova 2.0 Pro Preview
GPT-5 Nano and Nova 2.0 Pro Preview score almost the same on the Noometry Index (33.5 vs 33.4), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in coding, where Nova 2.0 Pro Preview leads 40.8 to 33.6.
Side by side
| GPT-5 Nano | Nova 2.0 Pro Preview | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 33.5 | 33.4 |
| Released | 2025-08-07 | 2025-12-02 |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.05 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 49 | 3 |
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Category by category
Coding Nova 2.0 Pro Preview leads
GPT-5 Nano: 33.6 (#254), Nova 2.0 Pro Preview: 40.8 (#133)
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| SWE-bench Verified (bash only) | 34.8% | — |
| SciCode | — | 42.7% |
| WeirdML | 38.1% | — |
| LMArena Coding | 1351 | — |
| ALE-Bench | 718.67 | — |
Agentic & Tool Use GPT-5 Nano leads
GPT-5 Nano: 25.8 (#106), Nova 2.0 Pro Preview: 21.9 (#136)
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| Terminal-Bench | 21.8% | — |
| Berkeley Function Calling Leaderboard | 51.5% | — |
| GDP.pdf | — | 2% |
Reasoning Nova 2.0 Pro Preview leads
GPT-5 Nano: 16.3 (#306), Nova 2.0 Pro Preview: 22.4 (#194)
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| ARC-AGI-2 | 2.6% | — |
| Kagi LLM Benchmark | 62.2% | — |
| ARC-AGI-1 | 20.7% | — |
| CritPt | — | 0% |
| Chess Puzzles | 27% | — |
| LMArena Hard Prompts | 1328 | — |
| Mystery Game Puzzles | 9% | — |
| DTBench | 62.7% | — |
| LMCA | 7.9% | — |
| Epoch Capabilities Index | 139.38 | — |
| ForecastBench | 59.1 | — |
Math Not comparable
GPT-5 Nano: 29.4 (#241), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| FrontierMath (Tiers 1-3) | 20% | — |
| FrontierMath Tier 4 | 2.4% | — |
| OTIS Mock AIME 2024-2025 | 81.1% | — |
| ProofBench | 12% | — |
| Omni-MATH | 54.6% | — |
| LMArena Math | 1317 | — |
| MATH Level 5 | 95.2% | — |
| FrontierMath (Feb 2025 set) | 8.3% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |
Knowledge Not comparable
GPT-5 Nano: 35.9 (#178), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| GPQA Diamond | 69.4% | — |
| SimpleQA Verified | 11.7% | — |
| MMLU-Pro | 77.8% | — |
| Vectara Hallucination Rate | 10.5% | — |
| GPQA (HELM) | 67.9% | — |
| LMArena Expert | 1321 | — |
Multimodal Not comparable
GPT-5 Nano: 31.3 (#108), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Vision | 1159 | — |
| VPCT | 37.2% | — |
Multilingual Not comparable
GPT-5 Nano: 45.3 (#172), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Non-English | 1313 | — |
| LMArena Chinese | 1356 | — |
| LMArena German | 1327 | — |
| LMArena Japanese | 1226 | — |
| LMArena Korean | 1269 | — |
| LMArena Russian | 1296 | — |
| LMArena Spanish | 1360 | — |
Instruction Following Not comparable
GPT-5 Nano: 75.0 (#79), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| IFEval | 93.2% | — |
| LMArena Instruction Following | 1306 | — |
Long Context Not comparable
GPT-5 Nano: 31.3 (#281), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| Fiction.LiveBench | 44.4% | — |
| LMArena Longer Query | 1312 | — |
Writing & Preference Not comparable
GPT-5 Nano: 39.1 (#249), Nova 2.0 Pro Preview: —
| Benchmark | GPT-5 Nano | Nova 2.0 Pro Preview |
|---|---|---|
| LMArena Text | 1320 | — |
| LMArena Creative Writing | 1249 | — |
| EQ-Bench Creative Writing | 705 | — |
| WildBench | 80.6% | — |
| LMArena Multi-Turn | 1311 | — |
Frequently asked questions
Is GPT-5 Nano better than Nova 2.0 Pro Preview?
GPT-5 Nano and Nova 2.0 Pro Preview score almost the same on the Noometry Index (33.5 vs 33.4), so choose on price, context window or the category you care about most.
Is GPT-5 Nano or Nova 2.0 Pro Preview better for coding?
Nova 2.0 Pro Preview scores higher on coding benchmarks: 40.8 versus 33.6 in the Noometry coding category.
How many benchmarks do GPT-5 Nano and Nova 2.0 Pro Preview share?
0 benchmarks have published results for both models. GPT-5 Nano has 49 scored results on Noometry and Nova 2.0 Pro Preview has 3.