Model comparison
Amazon Nova Micro vs GPT-5.6 Sol
GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 30.4 on the Noometry Index. Amazon Nova Micro costs 131× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and GPT-5.6 Sol in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.6 Sol leads 85.6 to 26.9.
- The biggest single-benchmark swing is Vectara Hallucination Rate: 5.5% for Amazon Nova Micro and 12.4% for GPT-5.6 Sol.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $4 / $20 for GPT-5.6 Sol.
- GPT-5.6 Sol accepts more context: 1.05M tokens versus 128K.
Side by side
| Amazon Nova Micro | GPT-5.6 Sol | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 30.4 | 65.0 |
| Released | 2024-12-03 | 2026-07-09 |
| Weights | Proprietary | Proprietary |
| Context window | 128K | 1.05M |
| Max output | 10K | 128K |
| Input $ / M tokens | $0.035 | $4 |
| Output $ / M tokens | $0.14 | $20 |
| Results tracked | 32 | 65 |
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Category by category
Coding GPT-5.6 Sol leads
Amazon Nova Micro: 30.5 (#295), GPT-5.6 Sol: 65.1 (#7)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Coding | 1218 | 1498 |
| DeepSWE | — | 72.7% |
| FrontierCode | — | 47.5% |
| CursorBench | — | 41.7% |
| LMArena WebDev | — | 1618 |
| FrontierSWE | — | 32.2% |
| SciCode | — | 57.1% |
| GSO | — | 76.5% |
| WeirdML | — | 89.4% |
| LiveBench Coding | 20.2% | — |
| MirrorCode | — | 20% |
| ALE-Bench | — | 2,177 |
Agentic & Tool Use GPT-5.6 Sol leads
Amazon Nova Micro: 22.1 (#132), GPT-5.6 Sol: 50.3 (#7)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| APEX-Agents | — | 51.4% |
| Berkeley Function Calling Leaderboard | 22.3% | — |
| OSWorld 2.0 | — | 27.3% |
| τ²-bench Banking | — | 46.9% |
| PostTrainBench | — | 36.2% |
| BALROG | — | 60% |
| GBAEval | — | 52.6% |
| GDP.pdf | — | 30.7% |
| LMArena Search | — | 1257 |
| Vending-Bench 2 | — | 9,619 |
Reasoning GPT-5.6 Sol leads
Amazon Nova Micro: 17.4 (#294), GPT-5.6 Sol: 74.8 (#8)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1484 |
| ARC-AGI-2 | — | 92.5% |
| SimpleBench | — | 71.7% |
| Kagi LLM Benchmark | — | 67% |
| NYT Connections (extended) | — | 93.8% |
| ARC-AGI-1 | — | 97.5% |
| CritPt | — | 32.3% |
| Chess Puzzles | — | 64% |
| EnigmaEval | — | 37.1% |
| EBR-Bench | — | 44.8% |
| LiveBench Reasoning | 25.1% | — |
| Mystery Game Puzzles | — | 58% |
| DTBench | — | 96% |
| LiveBench Data Analysis | 34% | — |
| LMCA | — | 59.2% |
| Surface Evolver Bench | — | 93.1% |
| Bench to the Future 3 | — | 0.14 |
| Epoch Capabilities Index | — | 161.66 |
| LiveBench | 29.6% | — |
Math GPT-5.6 Sol leads
Amazon Nova Micro: 26.9 (#254), GPT-5.6 Sol: 85.6 (#9)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Math | 1206 | 1474 |
| FrontierMath (Tiers 1-3) | — | 89.1% |
| FrontierMath Tier 4 | — | 82.9% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| ProofBench | — | 83% |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
| FrontierMath Erdős | — | 0% |
Knowledge GPT-5.6 Sol leads
Amazon Nova Micro: 29.6 (#237), GPT-5.6 Sol: 64.3 (#18)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| Vectara Hallucination Rate | 5.5% | 12.4% |
| LMArena Expert | 1184 | 1516 |
| GPQA Diamond | — | 93.5% |
| SimpleQA Verified | — | 69.7% |
| MMLU-Pro | 51.1% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |
Multimodal Not comparable
Amazon Nova Micro: —, GPT-5.6 Sol: 48.6 (#9)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Vision | — | 1281 |
| Blueprint-Bench 2 | — | 33.6% |
| Furniture Assembly | — | 56.7% |
| LMArena Document | — | 1483 |
Multilingual GPT-5.6 Sol leads
Amazon Nova Micro: 36.5 (#239), GPT-5.6 Sol: 55.3 (#32)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Non-English | 1186 | 1452 |
| LMArena Chinese | 1209 | 1527 |
| LMArena French | 1238 | 1477 |
| LMArena German | 1192 | 1476 |
| LMArena Japanese | 1154 | 1471 |
| LMArena Korean | 1150 | 1442 |
| LMArena Russian | 1185 | 1468 |
| LMArena Spanish | 1225 | 1441 |
Instruction Following GPT-5.6 Sol leads
Amazon Nova Micro: 56.3 (#272), GPT-5.6 Sol: 77.7 (#16)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Instruction Following | 1174 | 1482 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |
Long Context GPT-5.6 Sol leads
Amazon Nova Micro: 36.5 (#229), GPT-5.6 Sol: 45.4 (#42)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Longer Query | 1205 | 1480 |
Writing & Preference GPT-5.6 Sol leads
Amazon Nova Micro: 39.5 (#247), GPT-5.6 Sol: 73.3 (#12)
| Benchmark | Amazon Nova Micro | GPT-5.6 Sol |
|---|---|---|
| LMArena Text | 1208 | 1457 |
| LMArena Creative Writing | 1172 | 1448 |
| LMArena Multi-Turn | 1178 | 1460 |
| EQ-Bench Creative Writing | — | 1972 |
| WildBench | 74.3% | — |
| EQ-Bench 4 | — | 1250 |
| LiveBench Language | 15.8% | — |
Frequently asked questions
Is Amazon Nova Micro better than GPT-5.6 Sol?
GPT-5.6 Sol is the stronger model overall, scoring 65.0 to 30.4 on the Noometry Index. Amazon Nova Micro costs 131× less per token, which makes it the better buy when GPT-5.6 Sol's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Micro or GPT-5.6 Sol?
Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; GPT-5.6 Sol lists at $4 and $20.
Is Amazon Nova Micro or GPT-5.6 Sol better for coding?
GPT-5.6 Sol scores higher on coding benchmarks: 65.1 versus 30.5 in the Noometry coding category.
Which has the bigger context window?
GPT-5.6 Sol does, with 1.05M tokens against 128K.
How many benchmarks do Amazon Nova Micro and GPT-5.6 Sol share?
18 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and GPT-5.6 Sol has 65.