Model comparison
Amazon Nova Micro vs Gemma 4 31B IT
Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 30.4 on the Noometry Index. Amazon Nova Micro costs 2.5× less per token, which makes it the better buy when Gemma 4 31B IT's lead doesn't matter for your workload.
Last verified . 15 shared benchmarks.
GoogleSummary
- They share 15 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and Gemma 4 31B IT in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemma 4 31B IT leads 60.5 to 39.5.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $0.09 / $0.34 for Gemma 4 31B IT.
- Gemma 4 31B IT accepts more context: 262K tokens versus 128K.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Micro | Gemma 4 31B IT | |
|---|---|---|
| Provider | Amazon | |
| Noometry Index | 30.4 | 43.5 |
| Released | 2024-12-03 | 2026-04-02 |
| Weights | Proprietary | Open |
| Context window | 128K | 262K |
| Max output | 10K | 33K |
| Input $ / M tokens | $0.035 | $0.09 |
| Output $ / M tokens | $0.14 | $0.34 |
| Results tracked | 32 | 35 |
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Category by category
Coding Gemma 4 31B IT leads
Amazon Nova Micro: 30.5 (#295), Gemma 4 31B IT: 42.3 (#108)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Coding | 1218 | 1459 |
| LMArena WebDev | — | 1366 |
| SciCode | — | 43.4% |
| WeirdML | — | 52.3% |
| LiveBench Coding | 20.2% | — |
| ALE-Bench | — | 925.5 |
Agentic & Tool Use Not comparable
Amazon Nova Micro: 22.1 (#132), Gemma 4 31B IT: —
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
Reasoning Gemma 4 31B IT leads
Amazon Nova Micro: 17.4 (#294), Gemma 4 31B IT: 27.2 (#122)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1448 |
| Kagi LLM Benchmark | — | 63.5% |
| NYT Connections (extended) | — | 70.6% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 5% |
| Thematic Generalization | — | 53% |
| LiveBench Reasoning | 25.1% | — |
| DTBench | — | 82.7% |
| LiveBench Data Analysis | 34% | — |
| LMCA | — | 39.3% |
| Surface Evolver Bench | — | 30.6% |
| Epoch Capabilities Index | — | 142.74 |
| LiveBench | 29.6% | — |
Math Gemma 4 31B IT leads
Amazon Nova Micro: 26.9 (#254), Gemma 4 31B IT: 43.2 (#81)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Math | 1206 | 1465 |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
Knowledge Gemma 4 31B IT leads
Amazon Nova Micro: 29.6 (#237), Gemma 4 31B IT: 37.9 (#151)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| Vectara Hallucination Rate | 5.5% | 7.4% |
| LMArena Expert | 1184 | 1465 |
| GPQA Diamond | — | 75.8% |
| SimpleQA Verified | — | 10.4% |
| MMLU-Pro | 51.1% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |
Multimodal Not comparable
Amazon Nova Micro: —, Gemma 4 31B IT: 41.6 (#34)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Vision | — | 1277 |
| LMArena Document | — | 1425 |
Multilingual Gemma 4 31B IT leads
Amazon Nova Micro: 36.5 (#239), Gemma 4 31B IT: 53.8 (#57)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Non-English | 1186 | 1431 |
| LMArena Chinese | 1209 | 1476 |
| LMArena French | 1238 | 1435 |
| LMArena Russian | 1185 | 1460 |
| LMArena Spanish | 1225 | 1444 |
| LMArena German | 1192 | — |
| LMArena Japanese | 1154 | — |
| LMArena Korean | 1150 | — |
Instruction Following Gemma 4 31B IT leads
Amazon Nova Micro: 56.3 (#272), Gemma 4 31B IT: 75.5 (#61)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Instruction Following | 1174 | 1433 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |
Long Context Gemma 4 31B IT leads
Amazon Nova Micro: 36.5 (#229), Gemma 4 31B IT: 44.2 (#71)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Longer Query | 1205 | 1446 |
Writing & Preference Gemma 4 31B IT leads
Amazon Nova Micro: 39.5 (#247), Gemma 4 31B IT: 60.5 (#96)
| Benchmark | Amazon Nova Micro | Gemma 4 31B IT |
|---|---|---|
| LMArena Text | 1208 | 1443 |
| LMArena Creative Writing | 1172 | 1415 |
| LMArena Multi-Turn | 1178 | 1452 |
| EQ-Bench Creative Writing | — | 1368 |
| WildBench | 74.3% | — |
| EQ-Bench 4 | — | 1120 |
| LiveBench Language | 15.8% | — |
Frequently asked questions
Is Amazon Nova Micro better than Gemma 4 31B IT?
Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 30.4 on the Noometry Index. Amazon Nova Micro costs 2.5× less per token, which makes it the better buy when Gemma 4 31B IT's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Micro or Gemma 4 31B IT?
Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; Gemma 4 31B IT lists at $0.09 and $0.34.
Is Amazon Nova Micro or Gemma 4 31B IT better for coding?
Gemma 4 31B IT scores higher on coding benchmarks: 42.3 versus 30.5 in the Noometry coding category.
Which has the bigger context window?
Gemma 4 31B IT does, with 262K tokens against 128K.
How many benchmarks do Amazon Nova Micro and Gemma 4 31B IT share?
15 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Gemma 4 31B IT has 35.