Model comparison
Amazon Nova Lite vs Kimi K2.5
Kimi K2.5 is the stronger model overall, scoring 48.1 to 31.9 on the Noometry Index. Amazon Nova Lite costs 8.6× less per token, which makes it the better buy when Kimi K2.5's lead doesn't matter for your workload.
Last verified . 21 shared benchmarks.
Summary
- They share 21 benchmarks with published results for both. Amazon Nova Lite scores higher in 0 categories and Kimi K2.5 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2.5 leads 53.6 to 26.3.
- The biggest single-benchmark swing is Humanity's Last Exam: 3.6% for Amazon Nova Lite and 24.4% for Kimi K2.5.
- Amazon Nova Lite is cheaper at $0.06 / $0.24 per million input/output tokens, against $0.45 / $2.25 for Kimi K2.5.
- Amazon Nova Lite accepts more context: 300K tokens versus 262K.
- Kimi K2.5 has downloadable open weights; the other is API-only.
Side by side
| Amazon Nova Lite | Kimi K2.5 | |
|---|---|---|
| Provider | Amazon | Moonshot AI |
| Noometry Index | 31.9 | 48.1 |
| Released | 2024-12-03 | 2026-01-27 |
| Weights | Proprietary | Open |
| Context window | 300K | 262K |
| Max output | 10K | 262K |
| Input $ / M tokens | $0.06 | $0.45 |
| Output $ / M tokens | $0.24 | $2.25 |
| Results tracked | 34 | 51 |
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Category by category
Coding Kimi K2.5 leads
Amazon Nova Lite: 32.5 (#270), Kimi K2.5: 48.8 (#53)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Coding | 1239 | 1474 |
| ALE-Bench | 236.25 | 821.65 |
| SWE-bench Verified | — | 73.8% |
| SWE-bench Verified (bash only) | — | 70.8% |
| LMArena WebDev | — | 1437 |
| SWE-bench Multilingual | — | 67.3% |
| SciCode | — | 49% |
| WeirdML | — | 45.6% |
| LiveBench Coding | 27.5% | — |
Agentic & Tool Use Not comparable
Amazon Nova Lite: —, Kimi K2.5: 34.2 (#48)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| Terminal-Bench | — | 43.2% |
| OSWorld | — | 63.3% |
| Vending-Bench 2 | — | 1,198 |
Reasoning Kimi K2.5 leads
Amazon Nova Lite: 19.3 (#260), Kimi K2.5: 31.2 (#80)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Hard Prompts | 1220 | 1453 |
| ARC-AGI-2 | — | 11.8% |
| SimpleBench | — | 46.8% |
| Kagi LLM Benchmark | — | 78.5% |
| NYT Connections (extended) | — | 69.9% |
| ARC-AGI-1 | — | 65.3% |
| CritPt | — | 3.1% |
| Chess Puzzles | — | 12% |
| EnigmaEval | — | 3.4% |
| Thematic Generalization | — | 69.4% |
| LiveBench Reasoning | 36.7% | — |
| LiveBench Data Analysis | 37.2% | — |
| Epoch Capabilities Index | — | 148.03 |
| LiveBench | 36.4% | — |
Math Kimi K2.5 leads
Amazon Nova Lite: 27.8 (#247), Kimi K2.5: 51.8 (#53)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Math | 1227 | 1470 |
| MathArena Final-Answer Competitions | — | 62.3% |
| OTIS Mock AIME 2024-2025 | — | 92.2% |
| Omni-MATH | 23.3% | — |
| LiveBench Math | 36.7% | — |
| FrontierMath (Feb 2025 set) | — | 27.9% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Kimi K2.5 leads
Amazon Nova Lite: 26.3 (#259), Kimi K2.5: 53.6 (#56)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| Humanity's Last Exam | 3.6% | 24.4% |
| Vectara Hallucination Rate | 6.1% | 14.2% |
| LMArena Expert | 1201 | 1466 |
| GPQA Diamond | — | 87.6% |
| SimpleQA Verified | — | 34.3% |
| MMLU-Pro | 60% | — |
| GPQA (HELM) | 39.7% | — |
| MMLU | 77% | — |
Multimodal Kimi K2.5 leads
Amazon Nova Lite: 25.5 (#123), Kimi K2.5: 41.1 (#39)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Vision | 990 | 1269 |
| LMArena Document | — | 1430 |
Multilingual Kimi K2.5 leads
Amazon Nova Lite: 38.0 (#232), Kimi K2.5: 53.9 (#53)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Non-English | 1208 | 1433 |
| LMArena Chinese | 1225 | 1495 |
| LMArena French | 1237 | 1454 |
| LMArena German | 1229 | 1441 |
| LMArena Japanese | 1153 | 1421 |
| LMArena Korean | 1153 | 1410 |
| LMArena Russian | 1216 | 1435 |
| LMArena Spanish | 1226 | 1450 |
Instruction Following Kimi K2.5 leads
Amazon Nova Lite: 59.3 (#255), Kimi K2.5: 75.3 (#64)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Instruction Following | 1205 | 1431 |
| LiveBench Instruction Following | 54.1% | — |
| IFEval | 77.6% | — |
Long Context Kimi K2.5 leads
Amazon Nova Lite: 37.4 (#217), Kimi K2.5: 52.1 (#7)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Longer Query | 1234 | 1445 |
| Fiction.LiveBench | — | 86.1% |
| CL-bench | — | 19.3% |
| CL-bench Life | — | 13.2% |
Writing & Preference Kimi K2.5 leads
Amazon Nova Lite: 42.1 (#237), Kimi K2.5: 65.1 (#53)
| Benchmark | Amazon Nova Lite | Kimi K2.5 |
|---|---|---|
| LMArena Text | 1229 | 1445 |
| LMArena Creative Writing | 1197 | 1423 |
| LMArena Multi-Turn | 1199 | 1444 |
| EQ-Bench Creative Writing | — | 1579 |
| WildBench | 75% | — |
| LiveBench Language | 25.9% | — |
Frequently asked questions
Is Amazon Nova Lite better than Kimi K2.5?
Kimi K2.5 is the stronger model overall, scoring 48.1 to 31.9 on the Noometry Index. Amazon Nova Lite costs 8.6× less per token, which makes it the better buy when Kimi K2.5's lead doesn't matter for your workload.
Which is cheaper, Amazon Nova Lite or Kimi K2.5?
Amazon Nova Lite is cheaper. It lists at $0.06 per million input tokens and $0.24 per million output tokens; Kimi K2.5 lists at $0.45 and $2.25.
Is Amazon Nova Lite or Kimi K2.5 better for coding?
Kimi K2.5 scores higher on coding benchmarks: 48.8 versus 32.5 in the Noometry coding category.
Which has the bigger context window?
Amazon Nova Lite does, with 300K tokens against 262K.
How many benchmarks do Amazon Nova Lite and Kimi K2.5 share?
21 benchmarks have published results for both models. Amazon Nova Lite has 34 scored results on Noometry and Kimi K2.5 has 51.