Model comparison
Gemini 2.5 Flash-Lite vs Kimi K2 Thinking Turbo
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 37.0 on the Noometry Index.
Last verified . 17 shared benchmarks.
GoogleSummary
- They share 17 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 1 category and Kimi K2 Thinking Turbo in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2 Thinking Turbo leads 50.9 to 32.5.
- Kimi K2 Thinking Turbo has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo | |
|---|---|---|
| Provider | Moonshot AI | |
| Noometry Index | 37.0 | 45.8 |
| Released | 2025-06-17 | 2025-11-06 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 33 | 21 |
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Category by category
Coding Too close to call
Gemini 2.5 Flash-Lite: 38.5 (#173), Kimi K2 Thinking Turbo: 38.4 (#178)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Coding | 1373 | 1454 |
| LMArena WebDev | — | 1322 |
| WeirdML | 35.2% | — |
| ALE-Bench | 325.9 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash-Lite: 28.0 (#96), Kimi K2 Thinking Turbo: —
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |
Reasoning Kimi K2 Thinking Turbo leads
Gemini 2.5 Flash-Lite: 22.2 (#205), Kimi K2 Thinking Turbo: 32.5 (#75)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Hard Prompts | 1377 | 1428 |
| Kagi LLM Benchmark | 40.5% | — |
| Chess Puzzles | — | 20% |
| DTBench | 62.8% | — |
| LMCA | 18.1% | — |
| Epoch Capabilities Index | 133.94 | — |
Math Kimi K2 Thinking Turbo leads
Gemini 2.5 Flash-Lite: 38.0 (#144), Kimi K2 Thinking Turbo: 47.4 (#68)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Math | 1373 | 1429 |
| OTIS Mock AIME 2024-2025 | — | 83.1% |
| Omni-MATH | 48% | — |
Knowledge Kimi K2 Thinking Turbo leads
Gemini 2.5 Flash-Lite: 32.5 (#210), Kimi K2 Thinking Turbo: 50.9 (#69)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Expert | 1373 | 1439 |
| GPQA Diamond | — | 84.2% |
| MMLU-Pro | 53.7% | — |
| Vectara Hallucination Rate | 3.3% | — |
| GPQA (HELM) | 30.9% | — |
Multimodal Not comparable
Gemini 2.5 Flash-Lite: 29.1 (#114), Kimi K2 Thinking Turbo: —
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Vision | 1198 | — |
| VPCT | 30% | — |
Multilingual Kimi K2 Thinking Turbo leads
Gemini 2.5 Flash-Lite: 49.3 (#134), Kimi K2 Thinking Turbo: 51.4 (#109)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | 1369 | 1398 |
| LMArena Chinese | 1404 | 1456 |
| LMArena French | 1388 | 1425 |
| LMArena German | 1389 | 1390 |
| LMArena Japanese | 1359 | 1357 |
| LMArena Korean | 1360 | 1330 |
| LMArena Russian | 1373 | 1391 |
| LMArena Spanish | 1396 | 1406 |
Instruction Following Kimi K2 Thinking Turbo leads
Gemini 2.5 Flash-Lite: 70.0 (#168), Kimi K2 Thinking Turbo: 74.0 (#109)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | 1367 | 1403 |
| IFEval | 81% | — |
Long Context Kimi K2 Thinking Turbo leads
Gemini 2.5 Flash-Lite: 33.3 (#262), Kimi K2 Thinking Turbo: 43.2 (#102)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | 1373 | 1415 |
| Fiction.LiveBench | 47.2% | — |
Writing & Preference Kimi K2 Thinking Turbo leads
Gemini 2.5 Flash-Lite: 56.8 (#135), Kimi K2 Thinking Turbo: 60.0 (#104)
| Benchmark | Gemini 2.5 Flash-Lite | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | 1379 | 1415 |
| LMArena Creative Writing | 1367 | 1374 |
| LMArena Multi-Turn | 1366 | 1414 |
| WildBench | 81.8% | — |
Frequently asked questions
Is Gemini 2.5 Flash-Lite better than Kimi K2 Thinking Turbo?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 37.0 on the Noometry Index.
Is Gemini 2.5 Flash-Lite or Kimi K2 Thinking Turbo better for coding?
They score almost the same on coding (38.5 vs 38.4); test both on your own repository before choosing.
How many benchmarks do Gemini 2.5 Flash-Lite and Kimi K2 Thinking Turbo share?
17 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Kimi K2 Thinking Turbo has 21.