Model comparison
Gemini 2.0 Flash (Feb 2025) vs Kimi K2.5
Kimi K2.5 is the stronger model overall, scoring 48.1 to 35.1 on the Noometry Index.
Last verified . 31 shared benchmarks.
GoogleSummary
- They share 31 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 0 categories and Kimi K2.5 in 10 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2.5 leads 53.6 to 32.0.
- The biggest single-benchmark swing is SWE-bench Verified (bash only): 13.5% for Gemini 2.0 Flash (Feb 2025) and 70.8% for Kimi K2.5.
- Kimi K2.5 has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 | |
|---|---|---|
| Provider | Moonshot AI | |
| Noometry Index | 35.1 | 48.1 |
| Released | 2024-12-06 | 2026-01-27 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 262K |
| Input $ / M tokens | — | $0.45 |
| Output $ / M tokens | — | $2.25 |
| Results tracked | 54 | 51 |
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Category by category
Coding Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 28.4 (#315), Kimi K2.5: 48.8 (#53)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| SWE-bench Verified (bash only) | 13.5% | 70.8% |
| WeirdML | 25.8% | 45.6% |
| LMArena Coding | 1350 | 1474 |
| SWE-bench Verified | — | 73.8% |
| Aider Polyglot | 38.2% | — |
| LMArena WebDev | — | 1437 |
| SWE-bench Multilingual | — | 67.3% |
| SciCode | — | 49% |
| BigCodeBench Instruct | 45.9% | — |
| LiveBench Coding | 63.4% | — |
| BigCodeBench Complete | 59.9% | — |
| CadEval | 30% | — |
| ALE-Bench | — | 821.65 |
Agentic & Tool Use Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 28.1 (#92), Kimi K2.5: 34.2 (#48)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| Terminal-Bench | — | 43.2% |
| TheAgentCompany | 11.4% | — |
| OSWorld | — | 63.3% |
| Vending-Bench 2 | — | 1,198 |
Reasoning Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 15.2 (#318), Kimi K2.5: 31.2 (#80)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| ARC-AGI-2 | 1.3% | 11.8% |
| SimpleBench | 31.1% | 46.8% |
| Kagi LLM Benchmark | 37.8% | 78.5% |
| EnigmaEval | 1.1% | 3.4% |
| LMArena Hard Prompts | 1346 | 1453 |
| Epoch Capabilities Index | 135.36 | 148.03 |
| NYT Connections (extended) | — | 69.9% |
| ARC-AGI-1 | — | 65.3% |
| CritPt | — | 3.1% |
| Chess Puzzles | — | 12% |
| Thematic Generalization | — | 69.4% |
| LiveBench Reasoning | 78.2% | — |
| DTBench | 63.2% | — |
| LiveBench Data Analysis | 69.4% | — |
| LiveBench | 66.9% | — |
Math Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 37.9 (#146), Kimi K2.5: 51.8 (#53)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | 92.2% |
| LMArena Math | 1352 | 1470 |
| FrontierMath (Feb 2025 set) | 1.7% | 27.9% |
| MathArena Final-Answer Competitions | — | 62.3% |
| Omni-MATH | 45.9% | — |
| LiveBench Math | 75.8% | — |
| MATH Level 5 | 82.2% | — |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 32.0 (#213), Kimi K2.5: 53.6 (#56)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| GPQA Diamond | 64.1% | 87.6% |
| Humanity's Last Exam | 6.6% | 24.4% |
| LMArena Expert | 1339 | 1466 |
| SimpleQA Verified | — | 34.3% |
| MMLU-Pro | 73.7% | — |
| Confabulations | 12.4% | — |
| Vectara Hallucination Rate | — | 14.2% |
| GPQA (HELM) | 55.6% | — |
| MMLU | 79.7% | — |
Multimodal Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 36.5 (#79), Kimi K2.5: 41.1 (#39)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| LMArena Vision | 1158 | 1269 |
| GeoBench | 77% | — |
| LMArena Document | — | 1430 |
Multilingual Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 47.4 (#149), Kimi K2.5: 53.9 (#53)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| LMArena Non-English | 1342 | 1433 |
| LMArena Chinese | 1373 | 1495 |
| LMArena French | 1391 | 1454 |
| LMArena German | 1353 | 1441 |
| LMArena Japanese | 1294 | 1421 |
| LMArena Korean | 1313 | 1410 |
| LMArena Russian | 1351 | 1435 |
| LMArena Spanish | 1363 | 1450 |
Instruction Following Too close to call
Gemini 2.0 Flash (Feb 2025): 74.4 (#97), Kimi K2.5: 75.3 (#64)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| LMArena Instruction Following | 1336 | 1431 |
| LiveBench Instruction Following | 85.8% | — |
| IFEval | 84.1% | — |
Long Context Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 38.1 (#203), Kimi K2.5: 52.1 (#7)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| Fiction.LiveBench | 61.1% | 86.1% |
| LMArena Longer Query | 1344 | 1445 |
| CL-bench | — | 19.3% |
| CL-bench Life | — | 13.2% |
Writing & Preference Kimi K2.5 leads
Gemini 2.0 Flash (Feb 2025): 49.5 (#190), Kimi K2.5: 65.1 (#53)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | Kimi K2.5 |
|---|---|---|
| LMArena Text | 1354 | 1445 |
| LMArena Creative Writing | 1340 | 1423 |
| EQ-Bench Creative Writing | 1128 | 1579 |
| LMArena Multi-Turn | 1350 | 1444 |
| Short-Story Creative Writing | 73.8% | — |
| WildBench | 80% | — |
| LiveBench Language | 51.3% | — |
Frequently asked questions
Is Gemini 2.0 Flash (Feb 2025) better than Kimi K2.5?
Kimi K2.5 is the stronger model overall, scoring 48.1 to 35.1 on the Noometry Index.
Is Gemini 2.0 Flash (Feb 2025) or Kimi K2.5 better for coding?
Kimi K2.5 scores higher on coding benchmarks: 48.8 versus 28.4 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Flash (Feb 2025) and Kimi K2.5 share?
31 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and Kimi K2.5 has 51.