Model comparison
Amazon Nova Micro vs o3-mini
o3-mini is the stronger model overall, scoring 36.7 to 30.4 on the Noometry Index. Amazon Nova Micro costs 31× less per token, which makes it the better buy when o3-mini's lead doesn't matter for your workload.
Last verified . 24 shared benchmarks.
Summary
- They share 24 benchmarks with published results for both. Amazon Nova Micro scores higher in 2 categories and o3-mini in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where o3-mini leads 75.1 to 56.3.
- The biggest single-benchmark swing is LiveBench Reasoning: 25.1% for Amazon Nova Micro and 89.6% for o3-mini.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $1.10 / $4.40 for o3-mini.
- o3-mini accepts more context: 200K tokens versus 128K.
Side by side
| Amazon Nova Micro | o3-mini | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 30.4 | 36.7 |
| Released | 2024-12-03 | 2024-12-20 |
| Weights | Proprietary | Proprietary |
| Context window | 128K | 200K |
| Max output | 10K | 100K |
| Input $ / M tokens | $0.035 | $1.10 |
| Output $ / M tokens | $0.14 | $4.40 |
| Results tracked | 32 | 51 |
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Category by category
Coding o3-mini leads
Amazon Nova Micro: 30.5 (#295), o3-mini: 40.8 (#132)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LiveBench Coding | 20.2% | 82.7% |
| LMArena Coding | 1218 | 1378 |
| Aider Polyglot | — | 60.4% |
| SciCode | — | 39.8% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| CadEval | — | 54% |
Agentic & Tool Use o3-mini leads
Amazon Nova Micro: 22.1 (#132), o3-mini: 29.6 (#84)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
| Cybench | — | 22.5% |
Reasoning Amazon Nova Micro leads
Amazon Nova Micro: 17.4 (#294), o3-mini: 16.3 (#305)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LiveBench Reasoning | 25.1% | 89.6% |
| LMArena Hard Prompts | 1191 | 1366 |
| LiveBench Data Analysis | 34% | 70.6% |
| LiveBench | 29.6% | 75.9% |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| ARC-AGI-1 | — | 34.5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 17% |
| Mystery Game Puzzles | — | 7% |
| DTBench | — | 68.8% |
| LMCA | — | 19% |
| Epoch Capabilities Index | — | 140.34 |
| ForecastBench | — | 59.6 |
Math o3-mini leads
Amazon Nova Micro: 26.9 (#254), o3-mini: 28.1 (#244)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LiveBench Math | 34.5% | 77.3% |
| LMArena Math | 1206 | 1396 |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| OTIS Mock AIME 2024-2025 | — | 76.9% |
| Omni-MATH | 21.4% | — |
| MATH Level 5 | — | 96.5% |
| FrontierMath (Feb 2025 set) | — | 12.4% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge o3-mini leads
Amazon Nova Micro: 29.6 (#237), o3-mini: 38.3 (#146)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LMArena Expert | 1184 | 1364 |
| GPQA Diamond | — | 77% |
| SimpleQA Verified | — | 15.3% |
| MMLU-Pro | 51.1% | — |
| Confabulations | — | 17.9% |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |
Multilingual o3-mini leads
Amazon Nova Micro: 36.5 (#239), o3-mini: 45.7 (#164)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LMArena Non-English | 1186 | 1319 |
| LMArena Chinese | 1209 | 1379 |
| LMArena French | 1238 | 1334 |
| LMArena German | 1192 | 1303 |
| LMArena Japanese | 1154 | 1286 |
| LMArena Korean | 1150 | 1314 |
| LMArena Russian | 1185 | 1304 |
| LMArena Spanish | 1225 | 1321 |
Instruction Following o3-mini leads
Amazon Nova Micro: 56.3 (#272), o3-mini: 75.1 (#72)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LiveBench Instruction Following | 48% | 84.4% |
| LMArena Instruction Following | 1174 | 1337 |
| IFEval | 76% | — |
Long Context Amazon Nova Micro leads
Amazon Nova Micro: 36.5 (#229), o3-mini: 33.8 (#256)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LMArena Longer Query | 1205 | 1343 |
| Fiction.LiveBench | — | 50% |
Writing & Preference o3-mini leads
Amazon Nova Micro: 39.5 (#247), o3-mini: 50.3 (#182)
| Benchmark | Amazon Nova Micro | o3-mini |
|---|---|---|
| LMArena Text | 1208 | 1337 |
| LMArena Creative Writing | 1172 | 1286 |
| LMArena Multi-Turn | 1178 | 1320 |
| LiveBench Language | 15.8% | 50.7% |
| Short-Story Creative Writing | — | 61.7% |
| WildBench | 74.3% | — |
Frequently asked questions
Is Amazon Nova Micro better than o3-mini?
o3-mini is the stronger model overall, scoring 36.7 to 30.4 on the Noometry Index. Amazon Nova Micro costs 31× less per token, which makes it the better buy when o3-mini's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Micro or o3-mini?
Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; o3-mini lists at $1.10 and $4.40.
Is Amazon Nova Micro or o3-mini better for coding?
o3-mini scores higher on coding benchmarks: 40.8 versus 30.5 in the Noometry coding category.
Which has the bigger context window?
o3-mini does, with 200K tokens against 128K.
How many benchmarks do Amazon Nova Micro and o3-mini share?
24 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and o3-mini has 51.