Model comparison
Kimi K2 (Jul 2025) vs Wizardlm 70b
Kimi K2 (Jul 2025) is the stronger model overall, scoring 41.2 to 33.0 on the Noometry Index.
Last verified . 12 shared benchmarks.
MicrosoftSummary
- They share 12 benchmarks with published results for both. Kimi K2 (Jul 2025) scores higher in 7 categories and Wizardlm 70b in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2 (Jul 2025) leads 62.3 to 34.8.
Side by side
| Kimi K2 (Jul 2025) | Wizardlm 70b | |
|---|---|---|
| Provider | Moonshot AI | Microsoft |
| Noometry Index | 41.2 | 33.0 |
| Released | 2025-07-12 | — |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.57 | — |
| Output $ / M tokens | $2.30 | — |
| Results tracked | 42 | 12 |
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Category by category
Coding Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 42.4 (#102), Wizardlm 70b: 31.4 (#285)
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| LMArena Coding | 1399 | 1081 |
| SWE-bench Verified (bash only) | 63.4% | — |
| Aider Polyglot | 59.1% | — |
| GSO | 4.9% | — |
| WeirdML | 42.8% | — |
| ALE-Bench | 597.5 | — |
Agentic & Tool Use Not comparable
Kimi K2 (Jul 2025): 32.4 (#64), Wizardlm 70b: —
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| Terminal-Bench | 35.7% | — |
| Berkeley Function Calling Leaderboard | 59.1% | — |
| METR Time Horizons | 59.2% | — |
Reasoning Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 23.3 (#179), Wizardlm 70b: 20.7 (#234)
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| LMArena Hard Prompts | 1384 | 1079 |
| SimpleBench | 26.3% | — |
| Kagi LLM Benchmark | 64.4% | — |
| Epoch Capabilities Index | 146.01 | — |
| ForecastBench | 60.2 | — |
Math Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 42.7 (#83), Wizardlm 70b: 32.2 (#218)
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| LMArena Math | 1397 | 1116 |
| Omni-MATH | 65.4% | — |
| FrontierMath (Feb 2025 set) | 21.4% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Not comparable
Kimi K2 (Jul 2025): 37.3 (#157), Wizardlm 70b: —
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| MMLU-Pro | 81.9% | — |
| Confabulations | 20.4% | — |
| Vectara Hallucination Rate | 17.9% | — |
| GPQA (HELM) | 65.3% | — |
| LMArena Expert | 1365 | — |
Multilingual Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 49.6 (#130), Wizardlm 70b: 29.6 (#265)
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| LMArena Non-English | 1372 | 1078 |
| LMArena Chinese | 1415 | 1052 |
| LMArena German | 1387 | 1083 |
| LMArena Russian | 1385 | 1155 |
| LMArena French | 1379 | — |
| LMArena Japanese | 1349 | — |
| LMArena Korean | 1325 | — |
| LMArena Spanish | 1386 | — |
Instruction Following Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 71.1 (#156), Wizardlm 70b: 56.3 (#273)
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| LMArena Instruction Following | 1348 | 1093 |
| IFEval | 85% | — |
Long Context Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 41.2 (#145), Wizardlm 70b: 33.3 (#263)
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| LMArena Longer Query | 1353 | 1097 |
| Fiction.LiveBench | 66.7% | — |
| CL-bench | 17.6% | — |
Writing & Preference Kimi K2 (Jul 2025) leads
Kimi K2 (Jul 2025): 62.3 (#78), Wizardlm 70b: 34.8 (#269)
| Benchmark | Kimi K2 (Jul 2025) | Wizardlm 70b |
|---|---|---|
| LMArena Text | 1380 | 1120 |
| LMArena Creative Writing | 1350 | 1149 |
| LMArena Multi-Turn | 1371 | 1108 |
| Short-Story Creative Writing | 85.6% | — |
| EQ-Bench Creative Writing | 1666 | — |
| WildBench | 86.2% | — |
Frequently asked questions
Is Kimi K2 (Jul 2025) better than Wizardlm 70b?
Kimi K2 (Jul 2025) is the stronger model overall, scoring 41.2 to 33.0 on the Noometry Index.
Is Kimi K2 (Jul 2025) or Wizardlm 70b better for coding?
Kimi K2 (Jul 2025) scores higher on coding benchmarks: 42.4 versus 31.4 in the Noometry coding category.
How many benchmarks do Kimi K2 (Jul 2025) and Wizardlm 70b share?
12 benchmarks have published results for both models. Kimi K2 (Jul 2025) has 42 scored results on Noometry and Wizardlm 70b has 12.