Model comparison
Amazon Nova Lite vs o3
o3 is the stronger model overall, scoring 47.5 to 31.9 on the Noometry Index. Amazon Nova Lite costs 33× less per token, which makes it the better buy when o3's lead doesn't matter for your workload.
Last verified . 25 shared benchmarks.
Summary
- They share 25 benchmarks with published results for both. Amazon Nova Lite scores higher in 0 categories and o3 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where o3 leads 54.6 to 26.3.
- The biggest single-benchmark swing is Omni-MATH: 23.3% for Amazon Nova Lite and 71.4% for o3.
- Amazon Nova Lite is cheaper at $0.06 / $0.24 per million input/output tokens, against $2 / $8 for o3.
- Amazon Nova Lite accepts more context: 300K tokens versus 200K.
Side by side
| Amazon Nova Lite | o3 | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 31.9 | 47.5 |
| Released | 2024-12-03 | 2025-04-16 |
| Weights | Proprietary | Proprietary |
| Context window | 300K | 200K |
| Max output | 10K | 100K |
| Input $ / M tokens | $0.06 | $2 |
| Output $ / M tokens | $0.24 | $8 |
| Results tracked | 34 | 63 |
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Category by category
Coding o3 leads
Amazon Nova Lite: 32.5 (#270), o3: 46.8 (#64)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| LMArena Coding | 1239 | 1408 |
| ALE-Bench | 236.25 | 933.55 |
| SWE-bench Verified | — | 62.3% |
| SWE-bench Verified (bash only) | — | 58.4% |
| Aider Polyglot | — | 81.3% |
| GSO | — | 8.8% |
| WeirdML | — | 52.4% |
| LiveBench Coding | 27.5% | — |
| CadEval | — | 74% |
Agentic & Tool Use Not comparable
Amazon Nova Lite: —, o3: 34.5 (#44)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 63% |
| GDPval | — | 30.8% |
| DeepResearch Bench | — | 45.2% |
| OSWorld | — | 23% |
| LMArena Search | — | 1144 |
| METR Time Horizons | — | 65.4% |
Reasoning o3 leads
Amazon Nova Lite: 19.3 (#260), o3: 32.0 (#78)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| LMArena Hard Prompts | 1220 | 1402 |
| ARC-AGI-2 | — | 6.5% |
| SimpleBench | — | 53.1% |
| Kagi LLM Benchmark | — | 67.6% |
| ARC-AGI-1 | — | 60.8% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 38% |
| EnigmaEval | — | 13.1% |
| LiveBench Reasoning | 36.7% | — |
| Mystery Game Puzzles | — | 29% |
| DTBench | — | 84.8% |
| LiveBench Data Analysis | 37.2% | — |
| LMCA | — | 39.7% |
| Epoch Capabilities Index | — | 146.86 |
| ForecastBench | — | 62.5 |
| LiveBench | 36.4% | — |
Math o3 leads
Amazon Nova Lite: 27.8 (#247), o3: 50.2 (#58)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| Omni-MATH | 23.3% | 71.4% |
| LMArena Math | 1227 | 1426 |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| OTIS Mock AIME 2024-2025 | — | 84.4% |
| LiveBench Math | 36.7% | — |
| MATH Level 5 | — | 97.8% |
| FrontierMath (Feb 2025 set) | — | 18.7% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge o3 leads
Amazon Nova Lite: 26.3 (#259), o3: 54.6 (#52)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| Humanity's Last Exam | 3.6% | 20.3% |
| MMLU-Pro | 60% | 85.9% |
| GPQA (HELM) | 39.7% | 75.3% |
| LMArena Expert | 1201 | 1402 |
| GPQA Diamond | — | 81.8% |
| SimpleQA Verified | — | 49.4% |
| Confabulations | — | 14.4% |
| Vectara Hallucination Rate | 6.1% | — |
| MMLU | 77% | — |
Multimodal o3 leads
Amazon Nova Lite: 25.5 (#123), o3: 41.4 (#36)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| LMArena Vision | 990 | 1214 |
| GeoBench | — | 74% |
| VPCT | — | 52% |
Multilingual o3 leads
Amazon Nova Lite: 38.0 (#232), o3: 51.7 (#105)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| LMArena Non-English | 1208 | 1401 |
| LMArena Chinese | 1225 | 1437 |
| LMArena French | 1237 | 1430 |
| LMArena German | 1229 | 1420 |
| LMArena Japanese | 1153 | 1403 |
| LMArena Korean | 1153 | 1370 |
| LMArena Russian | 1216 | 1406 |
| LMArena Spanish | 1226 | 1395 |
Instruction Following o3 leads
Amazon Nova Lite: 59.3 (#255), o3: 72.8 (#127)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| IFEval | 77.6% | 86.9% |
| LMArena Instruction Following | 1205 | 1368 |
| LiveBench Instruction Following | 54.1% | — |
Long Context o3 leads
Amazon Nova Lite: 37.4 (#217), o3: 53.3 (#6)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| LMArena Longer Query | 1234 | 1372 |
| Fiction.LiveBench | — | 88.9% |
| CL-bench | — | 17.8% |
Writing & Preference o3 leads
Amazon Nova Lite: 42.1 (#237), o3: 63.5 (#64)
| Benchmark | Amazon Nova Lite | o3 |
|---|---|---|
| LMArena Text | 1229 | 1410 |
| LMArena Creative Writing | 1197 | 1359 |
| WildBench | 75% | 86.1% |
| LMArena Multi-Turn | 1199 | 1405 |
| Short-Story Creative Writing | — | 83.9% |
| EQ-Bench Creative Writing | — | 1676 |
| LiveBench Language | 25.9% | — |
Frequently asked questions
Is Amazon Nova Lite better than o3?
o3 is the stronger model overall, scoring 47.5 to 31.9 on the Noometry Index. Amazon Nova Lite costs 33× less per token, which makes it the better buy when o3's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Lite or o3?
Amazon Nova Lite is cheaper. It lists at $0.06 per million input tokens and $0.24 per million output tokens; o3 lists at $2 and $8.
Is Amazon Nova Lite or o3 better for coding?
o3 scores higher on coding benchmarks: 46.8 versus 32.5 in the Noometry coding category.
Which has the bigger context window?
Amazon Nova Lite does, with 300K tokens against 200K.
How many benchmarks do Amazon Nova Lite and o3 share?
25 benchmarks have published results for both models. Amazon Nova Lite has 34 scored results on Noometry and o3 has 63.