Model comparison
Gemini 2.0 Flash (Feb 2025) vs Kimi K2.5 Instant
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 35.1 on the Noometry Index.
Last verified . 17 shared benchmarks.
GoogleSummary
- They share 17 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 0 categories and Kimi K2.5 Instant in 9 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2.5 Instant leads 29.7 to 15.2.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant | |
|---|---|---|
| Provider | Moonshot AI | |
| Noometry Index | 35.1 | 43.6 |
| Released | 2024-12-06 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 54 | 18 |
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Category by category
Coding Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 28.4 (#315), Kimi K2.5 Instant: 42.6 (#97)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Coding | 1350 | 1484 |
| SWE-bench Verified (bash only) | 13.5% | — |
| Aider Polyglot | 38.2% | — |
| LMArena WebDev | — | 1404 |
| WeirdML | 25.8% | — |
| BigCodeBench Instruct | 45.9% | — |
| LiveBench Coding | 63.4% | — |
| BigCodeBench Complete | 59.9% | — |
| CadEval | 30% | — |
Agentic & Tool Use Not comparable
Gemini 2.0 Flash (Feb 2025): 28.1 (#92), Kimi K2.5 Instant: —
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| TheAgentCompany | 11.4% | — |
Reasoning Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 15.2 (#318), Kimi K2.5 Instant: 29.7 (#90)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1346 | 1443 |
| ARC-AGI-2 | 1.3% | — |
| SimpleBench | 31.1% | — |
| Kagi LLM Benchmark | 37.8% | — |
| EnigmaEval | 1.1% | — |
| LiveBench Reasoning | 78.2% | — |
| DTBench | 63.2% | — |
| LiveBench Data Analysis | 69.4% | — |
| Epoch Capabilities Index | 135.36 | — |
| LiveBench | 66.9% | — |
Math Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 37.9 (#146), Kimi K2.5 Instant: 39.4 (#105)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1352 | 1442 |
| OTIS Mock AIME 2024-2025 | 57.8% | — |
| Omni-MATH | 45.9% | — |
| LiveBench Math | 75.8% | — |
| MATH Level 5 | 82.2% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |
Knowledge Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 32.0 (#213), Kimi K2.5 Instant: 40.2 (#123)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | 1339 | 1440 |
| GPQA Diamond | 64.1% | — |
| Humanity's Last Exam | 6.6% | — |
| MMLU-Pro | 73.7% | — |
| Confabulations | 12.4% | — |
| GPQA (HELM) | 55.6% | — |
| MMLU | 79.7% | — |
Multimodal Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 36.5 (#79), Kimi K2.5 Instant: 40.2 (#50)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | 1158 | 1254 |
| GeoBench | 77% | — |
Multilingual Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 47.4 (#149), Kimi K2.5 Instant: 52.0 (#94)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1342 | 1406 |
| LMArena Chinese | 1373 | 1449 |
| LMArena French | 1391 | 1403 |
| LMArena German | 1353 | 1413 |
| LMArena Korean | 1313 | 1378 |
| LMArena Russian | 1351 | 1404 |
| LMArena Spanish | 1363 | 1447 |
| LMArena Japanese | 1294 | — |
Instruction Following Too close to call
Gemini 2.0 Flash (Feb 2025): 74.4 (#97), Kimi K2.5 Instant: 75.3 (#65)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1336 | 1430 |
| LiveBench Instruction Following | 85.8% | — |
| IFEval | 84.1% | — |
Long Context Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 38.1 (#203), Kimi K2.5 Instant: 43.9 (#83)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1344 | 1435 |
| Fiction.LiveBench | 61.1% | — |
Writing & Preference Kimi K2.5 Instant leads
Gemini 2.0 Flash (Feb 2025): 49.5 (#190), Kimi K2.5 Instant: 60.6 (#95)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1354 | 1420 |
| LMArena Creative Writing | 1340 | 1381 |
| LMArena Multi-Turn | 1350 | 1427 |
| Short-Story Creative Writing | 73.8% | — |
| EQ-Bench Creative Writing | 1128 | — |
| WildBench | 80% | — |
| LiveBench Language | 51.3% | — |
Frequently asked questions
Is Gemini 2.0 Flash (Feb 2025) better than Kimi K2.5 Instant?
Kimi K2.5 Instant is the stronger model overall, scoring 43.6 to 35.1 on the Noometry Index.
Is Gemini 2.0 Flash (Feb 2025) or Kimi K2.5 Instant better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.6 versus 28.4 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Flash (Feb 2025) and Kimi K2.5 Instant share?
17 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and Kimi K2.5 Instant has 18.