Model comparison
GPT-4.5 vs Nova 2 Lite
Nova 2 Lite is the stronger model overall, scoring 39.7 to 37.2 on the Noometry Index.
Last verified . 16 shared benchmarks.
Summary
- They share 16 benchmarks with published results for both. GPT-4.5 scores higher in 5 categories and Nova 2 Lite in 4 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Nova 2 Lite leads 27.5 to 13.9.
Side by side
| GPT-4.5 | Nova 2 Lite | |
|---|---|---|
| Provider | OpenAI | Amazon |
| Noometry Index | 37.2 | 39.7 |
| Released | 2025-02-27 | 2025-12-01 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1M |
| Max output | — | 64K |
| Input $ / M tokens | — | $0.30 |
| Output $ / M tokens | — | $2.50 |
| Results tracked | 42 | 19 |
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Category by category
Coding GPT-4.5 leads
GPT-4.5: 42.2 (#109), Nova 2 Lite: 40.7 (#134)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Coding | 1396 | 1385 |
| Aider Polyglot | 44.9% | — |
| WeirdML | 39.4% | — |
| LiveBench Coding | 75.2% | — |
Agentic & Tool Use GPT-4.5 leads
GPT-4.5: 27.9 (#97), Nova 2 Lite: 24.1 (#121)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
| Cybench | 17.5% | — |
Reasoning Nova 2 Lite leads
GPT-4.5: 13.9 (#330), Nova 2 Lite: 27.5 (#118)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Hard Prompts | 1403 | 1364 |
| ARC-AGI-2 | 0.8% | — |
| SimpleBench | 34.5% | — |
| ARC-AGI-1 | 10.3% | — |
| EnigmaEval | 3.2% | — |
| LiveBench Reasoning | 71.1% | — |
| LiveBench Data Analysis | 64.3% | — |
| Epoch Capabilities Index | 136.74 | — |
| ForecastBench | 61.7 | — |
| LiveBench | 69% | — |
Math Nova 2 Lite leads
GPT-4.5: 32.6 (#211), Nova 2 Lite: 37.5 (#156)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Math | 1412 | 1359 |
| OTIS Mock AIME 2024-2025 | 37.8% | — |
| LiveBench Math | 69.3% | — |
| MATH Level 5 | 78.6% | — |
Knowledge Nova 2 Lite leads
GPT-4.5: 32.5 (#211), Nova 2 Lite: 43.0 (#94)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Expert | 1394 | 1358 |
| GPQA Diamond | 68.7% | — |
| Humanity's Last Exam | 5.4% | — |
| Confabulations | 13.6% | — |
| Vectara Hallucination Rate | — | 5.1% |
Multimodal Not comparable
GPT-4.5: 37.6 (#71), Nova 2 Lite: —
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Vision | 1195 | — |
| VPCT | 45% | — |
Multilingual GPT-4.5 leads
GPT-4.5: 52.5 (#83), Nova 2 Lite: 47.1 (#153)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Non-English | 1413 | 1337 |
| LMArena Chinese | 1421 | 1364 |
| LMArena French | 1418 | 1381 |
| LMArena German | 1457 | 1343 |
| LMArena Japanese | 1416 | 1271 |
| LMArena Korean | 1392 | 1284 |
| LMArena Russian | 1419 | 1343 |
| LMArena Spanish | — | 1373 |
Instruction Following GPT-4.5 leads
GPT-4.5: 72.6 (#134), Nova 2 Lite: 70.5 (#161)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Instruction Following | 1404 | 1335 |
| LiveBench Instruction Following | 72.3% | — |
Long Context Too close to call
GPT-4.5: 40.4 (#155), Nova 2 Lite: 40.6 (#150)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Longer Query | 1406 | 1335 |
| Fiction.LiveBench | 63.9% | — |
Writing & Preference GPT-4.5 leads
GPT-4.5: 56.9 (#134), Nova 2 Lite: 53.9 (#154)
| Benchmark | GPT-4.5 | Nova 2 Lite |
|---|---|---|
| LMArena Text | 1417 | 1362 |
| LMArena Creative Writing | 1394 | 1291 |
| LMArena Multi-Turn | 1444 | 1338 |
| Short-Story Creative Writing | 75.6% | — |
| EQ-Bench Creative Writing | 1258 | — |
| LiveBench Language | 61.5% | — |
Frequently asked questions
Is GPT-4.5 better than Nova 2 Lite?
Nova 2 Lite is the stronger model overall, scoring 39.7 to 37.2 on the Noometry Index.
Is GPT-4.5 or Nova 2 Lite better for coding?
GPT-4.5 scores higher on coding benchmarks: 42.2 versus 40.7 in the Noometry coding category.
How many benchmarks do GPT-4.5 and Nova 2 Lite share?
16 benchmarks have published results for both models. GPT-4.5 has 42 scored results on Noometry and Nova 2 Lite has 19.