Model comparison
Kimi K2 (Jul 2025) vs Phi-2
Kimi K2 (Jul 2025) has enough public results to be ranked (#134); Phi-2 does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
MicrosoftSummary
- They share 1 benchmark with published results for both.
Side by side
| Kimi K2 (Jul 2025) | Phi-2 | |
|---|---|---|
| Provider | Moonshot AI | Microsoft |
| Noometry Index | 40.9 | — |
| Released | 2025-07-12 | 2023-12-12 |
| Weights | Open | Open |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.57 | — |
| Output $ / M tokens | $2.30 | — |
| Results tracked | 42 | 11 |
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Category by category
Coding Not comparable
Kimi K2 (Jul 2025): 43.1 (#83), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| SWE-bench Verified (bash only) | 63.4% | — |
| Aider Polyglot | 59.1% | — |
| GSO | 4.9% | — |
| WeirdML | 42.8% | — |
| LMArena Coding | 1399 | — |
| ALE-Bench | 597.5 | — |
| HumanEval+ | — | 45.1% |
| MBPP+ | — | 54.2% |
Agentic & Tool Use Not comparable
Kimi K2 (Jul 2025): 32.2 (#59), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| Terminal-Bench | 35.7% | — |
| Berkeley Function Calling Leaderboard | 59.1% | — |
| METR Time Horizons | 59.2% | — |
Reasoning Not comparable
Kimi K2 (Jul 2025): 22.7 (#173), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| Epoch Capabilities Index | 146.02 | 107.62 |
| SimpleBench | 26.3% | — |
| Kagi LLM Benchmark | 64.4% | — |
| LMArena Hard Prompts | 1384 | — |
| Adversarial NLI | — | 42.5% |
| BIG-Bench Hard | — | 59.4% |
| ForecastBench | 60.2 | — |
| HellaSwag | — | 53.6% |
| WinoGrande | — | 54.7% |
Math Not comparable
Kimi K2 (Jul 2025): 40.1 (#81), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| Omni-MATH | 65.4% | — |
| LMArena Math | 1396 | — |
| FrontierMath (Feb 2025 set) | 21.4% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Not comparable
Kimi K2 (Jul 2025): 36.9 (#153), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| MMLU-Pro | 81.9% | — |
| Confabulations | 20.4% | — |
| Vectara Hallucination Rate | 17.9% | — |
| GPQA (HELM) | 65.3% | — |
| LMArena Expert | 1363 | — |
| ARC (AI2) Challenge | — | 75.9% |
| MMLU | — | 58.4% |
| OpenBookQA | — | 73.6% |
| TriviaQA | — | 45.2% |
Multilingual Not comparable
Kimi K2 (Jul 2025): 49.8 (#125), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| LMArena Non-English | 1372 | — |
| LMArena Chinese | 1416 | — |
| LMArena French | 1379 | — |
| LMArena German | 1386 | — |
| LMArena Japanese | 1349 | — |
| LMArena Korean | 1324 | — |
| LMArena Russian | 1384 | — |
| LMArena Spanish | 1383 | — |
Instruction Following Not comparable
Kimi K2 (Jul 2025): 71.3 (#151), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| IFEval | 85% | — |
| LMArena Instruction Following | 1347 | — |
Long Context Not comparable
Kimi K2 (Jul 2025): 41.2 (#140), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| Fiction.LiveBench | 66.7% | — |
| CL-bench | 17.6% | — |
| LMArena Longer Query | 1353 | — |
Writing & Preference Not comparable
Kimi K2 (Jul 2025): 62.5 (#76), Phi-2: —
| Benchmark | Kimi K2 (Jul 2025) | Phi-2 |
|---|---|---|
| LMArena Text | 1380 | — |
| LMArena Creative Writing | 1349 | — |
| Short-Story Creative Writing | 85.6% | — |
| EQ-Bench Creative Writing | 1666 | — |
| WildBench | 86.2% | — |
| LMArena Multi-Turn | 1371 | — |
Frequently asked questions
Is Kimi K2 (Jul 2025) better than Phi-2?
Kimi K2 (Jul 2025) has enough public results to be ranked (#134); Phi-2 does not yet, so treat this comparison as directional.
How many benchmarks do Kimi K2 (Jul 2025) and Phi-2 share?
1 benchmark has published results for both models. Kimi K2 (Jul 2025) has 42 scored results on Noometry and Phi-2 has 11.