Model comparison
Gemma 2 9B vs Kimi K2 (Jul 2025)
Kimi K2 (Jul 2025) is the stronger model overall, scoring 41.2 to 25.9 on the Noometry Index.
Last verified . 19 shared benchmarks.
GoogleSummary
- They share 19 benchmarks with published results for both. Gemma 2 9B scores higher in 0 categories and Kimi K2 (Jul 2025) in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2 (Jul 2025) leads 42.7 to 9.9.
Side by side
| Gemma 2 9B | Kimi K2 (Jul 2025) | |
|---|---|---|
| Provider | Moonshot AI | |
| Noometry Index | 25.9 | 41.2 |
| Released | 2024-06-24 | 2025-07-12 |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 262K |
| Input $ / M tokens | — | $0.57 |
| Output $ / M tokens | — | $2.30 |
| Results tracked | 35 | 42 |
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Category by category
Coding Kimi K2 (Jul 2025) leads
Gemma 2 9B: 29.4 (#304), Kimi K2 (Jul 2025): 42.4 (#102)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Coding | 1173 | 1399 |
| SWE-bench Verified (bash only) | — | 63.4% |
| Aider Polyglot | — | 59.1% |
| GSO | — | 4.9% |
| WeirdML | — | 42.8% |
| BigCodeBench Instruct | 34.7% | — |
| LiveBench Coding | 22.5% | — |
| BigCodeBench Complete | 40.6% | — |
| ALE-Bench | — | 597.5 |
Agentic & Tool Use Not comparable
Gemma 2 9B: —, Kimi K2 (Jul 2025): 32.4 (#64)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| Terminal-Bench | — | 35.7% |
| Berkeley Function Calling Leaderboard | — | 59.1% |
| METR Time Horizons | — | 59.2% |
Reasoning Kimi K2 (Jul 2025) leads
Gemma 2 9B: 15.9 (#309), Kimi K2 (Jul 2025): 23.3 (#179)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Hard Prompts | 1171 | 1384 |
| Epoch Capabilities Index | 119.83 | 146.01 |
| SimpleBench | — | 26.3% |
| Kagi LLM Benchmark | — | 64.4% |
| LiveBench Reasoning | 15.2% | — |
| LiveBench Data Analysis | 36.4% | — |
| ForecastBench | — | 60.2 |
| LiveBench | 28.7% | — |
| PIQA | 83.7% | — |
Math Kimi K2 (Jul 2025) leads
Gemma 2 9B: 9.9 (#318), Kimi K2 (Jul 2025): 42.7 (#83)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Math | 1183 | 1397 |
| OTIS Mock AIME 2024-2025 | 0.6% | — |
| Omni-MATH | — | 65.4% |
| LiveBench Math | 19.8% | — |
| MATH Level 5 | 21% | — |
| FrontierMath (Feb 2025 set) | — | 21.4% |
| FrontierMath Tier 4 (v1) | — | 0% |
| GSM8K | 84.9% | — |
Knowledge Kimi K2 (Jul 2025) leads
Gemma 2 9B: 9.7 (#305), Kimi K2 (Jul 2025): 37.3 (#157)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Expert | 1147 | 1365 |
| GPQA Diamond | 27.5% | — |
| MMLU-Pro | — | 81.9% |
| Confabulations | — | 20.4% |
| Vectara Hallucination Rate | — | 17.9% |
| GPQA (HELM) | — | 65.3% |
| BoolQ | 85.7% | — |
| MMLU | 72.1% | — |
Multilingual Kimi K2 (Jul 2025) leads
Gemma 2 9B: 36.6 (#238), Kimi K2 (Jul 2025): 49.6 (#130)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Non-English | 1188 | 1372 |
| LMArena Chinese | 1185 | 1415 |
| LMArena French | 1190 | 1379 |
| LMArena German | 1186 | 1387 |
| LMArena Japanese | 1144 | 1349 |
| LMArena Korean | 1137 | 1325 |
| LMArena Russian | 1200 | 1385 |
| LMArena Spanish | 1200 | 1386 |
Instruction Following Kimi K2 (Jul 2025) leads
Gemma 2 9B: 57.6 (#269), Kimi K2 (Jul 2025): 71.1 (#156)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Instruction Following | 1178 | 1348 |
| LiveBench Instruction Following | 52.6% | — |
| IFEval | — | 85% |
Long Context Kimi K2 (Jul 2025) leads
Gemma 2 9B: 36.3 (#233), Kimi K2 (Jul 2025): 41.2 (#145)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Longer Query | 1197 | 1353 |
| Fiction.LiveBench | — | 66.7% |
| CL-bench | — | 17.6% |
Writing & Preference Kimi K2 (Jul 2025) leads
Gemma 2 9B: 32.1 (#281), Kimi K2 (Jul 2025): 62.3 (#78)
| Benchmark | Gemma 2 9B | Kimi K2 (Jul 2025) |
|---|---|---|
| LMArena Text | 1207 | 1380 |
| LMArena Creative Writing | 1206 | 1350 |
| EQ-Bench Creative Writing | 841 | 1666 |
| LMArena Multi-Turn | 1193 | 1371 |
| Short-Story Creative Writing | — | 85.6% |
| WildBench | — | 86.2% |
| LiveBench Language | 25.5% | — |
Frequently asked questions
Is Gemma 2 9B better than Kimi K2 (Jul 2025)?
Kimi K2 (Jul 2025) is the stronger model overall, scoring 41.2 to 25.9 on the Noometry Index.
Is Gemma 2 9B or Kimi K2 (Jul 2025) better for coding?
Kimi K2 (Jul 2025) scores higher on coding benchmarks: 42.4 versus 29.4 in the Noometry coding category.
How many benchmarks do Gemma 2 9B and Kimi K2 (Jul 2025) share?
19 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and Kimi K2 (Jul 2025) has 42.