Model comparison
Amazon Nova Micro vs Kimi K2.5 Instant
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 30.4 on the Noometry Index.
Last verified . 16 shared benchmarks.
Summary
- They share 16 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and Kimi K2.5 Instant in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2.5 Instant leads 60.6 to 39.5.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Micro | Kimi K2.5 Instant | |
|---|---|---|
| Provider | Amazon | Moonshot AI |
| Noometry Index | 30.4 | 43.6 |
| Released | 2024-12-03 | — |
| Weights | Proprietary | Open |
| Context window | 128K | — |
| Max output | 10K | — |
| Input $ / M tokens | $0.035 | — |
| Output $ / M tokens | $0.14 | — |
| Results tracked | 32 | 18 |
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Category by category
Coding Kimi K2.5 Instant leads
Amazon Nova Micro: 30.5 (#295), Kimi K2.5 Instant: 42.6 (#97)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Coding | 1218 | 1484 |
| LMArena WebDev | — | 1404 |
| LiveBench Coding | 20.2% | — |
Agentic & Tool Use Not comparable
Amazon Nova Micro: 22.1 (#132), Kimi K2.5 Instant: —
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
Reasoning Kimi K2.5 Instant leads
Amazon Nova Micro: 17.4 (#294), Kimi K2.5 Instant: 29.7 (#90)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1443 |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| LiveBench | 29.6% | — |
Math Kimi K2.5 Instant leads
Amazon Nova Micro: 26.9 (#254), Kimi K2.5 Instant: 39.4 (#105)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1206 | 1442 |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
Knowledge Kimi K2.5 Instant leads
Amazon Nova Micro: 29.6 (#237), Kimi K2.5 Instant: 40.2 (#123)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1184 | 1440 |
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |
Multimodal Not comparable
Amazon Nova Micro: —, Kimi K2.5 Instant: 40.2 (#50)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |
Multilingual Kimi K2.5 Instant leads
Amazon Nova Micro: 36.5 (#239), Kimi K2.5 Instant: 52.0 (#94)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1186 | 1406 |
| LMArena Chinese | 1209 | 1449 |
| LMArena French | 1238 | 1403 |
| LMArena German | 1192 | 1413 |
| LMArena Korean | 1150 | 1378 |
| LMArena Russian | 1185 | 1404 |
| LMArena Spanish | 1225 | 1447 |
| LMArena Japanese | 1154 | — |
Instruction Following Kimi K2.5 Instant leads
Amazon Nova Micro: 56.3 (#272), Kimi K2.5 Instant: 75.3 (#65)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1174 | 1430 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |
Long Context Kimi K2.5 Instant leads
Amazon Nova Micro: 36.5 (#229), Kimi K2.5 Instant: 43.9 (#83)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1205 | 1435 |
Writing & Preference Kimi K2.5 Instant leads
Amazon Nova Micro: 39.5 (#247), Kimi K2.5 Instant: 60.6 (#95)
| Benchmark | Amazon Nova Micro | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1208 | 1420 |
| LMArena Creative Writing | 1172 | 1381 |
| LMArena Multi-Turn | 1178 | 1427 |
| WildBench | 74.3% | — |
| LiveBench Language | 15.8% | — |
Frequently asked questions
Is Amazon Nova Micro better than Kimi K2.5 Instant?
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 30.4 on the Noometry Index.
Is Amazon Nova Micro or Kimi K2.5 Instant better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 30.5 in the Noometry coding category.
How many benchmarks do Amazon Nova Micro and Kimi K2.5 Instant share?
16 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Kimi K2.5 Instant has 18.