Model comparison
Amazon Nova Micro vs GPT-5.5 Instant
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 30.4 on the Noometry Index.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Micro scores higher in 1 category and GPT-5.5 Instant in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-5.5 Instant leads 61.8 to 39.5.
Side by side
| Amazon Nova Micro | GPT-5.5 Instant | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 30.4 | 42.7 |
| Released | 2024-12-03 | 2026-05-05 |
| Weights | Proprietary | Proprietary |
| Context window | 128K | — |
| Max output | 10K | — |
| Input $ / M tokens | $0.035 | — |
| Output $ / M tokens | $0.14 | — |
| Results tracked | 32 | 27 |
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Category by category
Coding GPT-5.5 Instant leads
Amazon Nova Micro: 30.5 (#295), GPT-5.5 Instant: 44.3 (#74)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Coding | 1218 | 1433 |
| SciCode | — | 48.6% |
| LiveBench Coding | 20.2% | — |
Agentic & Tool Use Not comparable
Amazon Nova Micro: 22.1 (#132), GPT-5.5 Instant: —
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
Reasoning GPT-5.5 Instant leads
Amazon Nova Micro: 17.4 (#294), GPT-5.5 Instant: 24.9 (#155)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1426 |
| CritPt | — | 0% |
| Chess Puzzles | — | 12% |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| Epoch Capabilities Index | — | 142.52 |
| LiveBench | 29.6% | — |
Math Too close to call
Amazon Nova Micro: 26.9 (#254), GPT-5.5 Instant: 26.5 (#259)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Math | 1206 | 1420 |
| FrontierMath (Tiers 1-3) | — | 26.3% |
| FrontierMath Tier 4 | — | 2.4% |
| OTIS Mock AIME 2024-2025 | — | 68.1% |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
Knowledge GPT-5.5 Instant leads
Amazon Nova Micro: 29.6 (#237), GPT-5.5 Instant: 48.9 (#74)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Expert | 1184 | 1409 |
| GPQA Diamond | — | 82.5% |
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |
Multimodal Not comparable
Amazon Nova Micro: —, GPT-5.5 Instant: 40.0 (#52)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Vision | — | 1250 |
| LMArena Document | — | 1403 |
Multilingual GPT-5.5 Instant leads
Amazon Nova Micro: 36.5 (#239), GPT-5.5 Instant: 52.8 (#80)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Non-English | 1186 | 1417 |
| LMArena Chinese | 1209 | 1456 |
| LMArena French | 1238 | 1428 |
| LMArena German | 1192 | 1411 |
| LMArena Japanese | 1154 | 1408 |
| LMArena Korean | 1150 | 1392 |
| LMArena Russian | 1185 | 1431 |
| LMArena Spanish | 1225 | 1429 |
Instruction Following GPT-5.5 Instant leads
Amazon Nova Micro: 56.3 (#272), GPT-5.5 Instant: 74.2 (#100)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1174 | 1406 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |
Long Context GPT-5.5 Instant leads
Amazon Nova Micro: 36.5 (#229), GPT-5.5 Instant: 43.4 (#96)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Longer Query | 1205 | 1422 |
Writing & Preference GPT-5.5 Instant leads
Amazon Nova Micro: 39.5 (#247), GPT-5.5 Instant: 61.8 (#85)
| Benchmark | Amazon Nova Micro | GPT-5.5 Instant |
|---|---|---|
| LMArena Text | 1208 | 1419 |
| LMArena Creative Writing | 1172 | 1419 |
| LMArena Multi-Turn | 1178 | 1433 |
| WildBench | 74.3% | — |
| LiveBench Language | 15.8% | — |
Frequently asked questions
Is Amazon Nova Micro better than GPT-5.5 Instant?
GPT-5.5 Instant is the stronger model overall, scoring 42.7 to 30.4 on the Noometry Index.
Is Amazon Nova Micro or GPT-5.5 Instant better for coding?
GPT-5.5 Instant scores higher on coding benchmarks: 44.3 versus 30.5 in the Noometry coding category.
How many benchmarks do Amazon Nova Micro and GPT-5.5 Instant share?
17 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and GPT-5.5 Instant has 27.