Model comparison
Kimi K2.7 Code vs Step 1o Turbo 202506
Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 39.1 on the Noometry Index.
Last verified . 0 shared benchmarks.
StepFunSummary
- The widest gap is in math, where Kimi K2.7 Code leads 52.6 to 33.9.
- Kimi K2.7 Code has downloadable open weights; the other is API-only.
Side by side
| Kimi K2.7 Code | Step 1o Turbo 202506 | |
|---|---|---|
| Provider | Moonshot AI | StepFun |
| Noometry Index | 43.0 | 39.1 |
| Released | 2026-06-12 | — |
| Weights | Open | Proprietary |
| Context window | 262K | — |
| Max output | 262K | — |
| Input $ / M tokens | $0.95 | — |
| Output $ / M tokens | $4 | — |
| Results tracked | 19 | 14 |
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Category by category
Coding Kimi K2.7 Code leads
Kimi K2.7 Code: 42.4 (#92), Step 1o Turbo 202506: 38.6 (#158)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| DeepSWE | 30.5% | — |
| FrontierCode | 30.1% | — |
| LMArena WebDev | 1473 | — |
| SciCode | 47.5% | — |
| WeirdML | 54.1% | — |
| LMArena Coding | — | 1339 |
| ALE-Bench | 886.23 | — |
Agentic & Tool Use Not comparable
Kimi K2.7 Code: 23.9 (#115), Step 1o Turbo 202506: —
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| APEX-Agents | 37.6% | — |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |
Reasoning Kimi K2.7 Code leads
Kimi K2.7 Code: 38.2 (#56), Step 1o Turbo 202506: 25.7 (#127)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| SimpleBench | 57.9% | — |
| CritPt | 10% | — |
| Chess Puzzles | 21% | — |
| LMArena Hard Prompts | — | 1336 |
| Surface Evolver Bench | 48.8% | — |
| Epoch Capabilities Index | 150.01 | — |
Math Kimi K2.7 Code leads
Kimi K2.7 Code: 52.6 (#39), Step 1o Turbo 202506: 33.9 (#163)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| LMArena Math | — | 1318 |
Knowledge Kimi K2.7 Code leads
Kimi K2.7 Code: 53.6 (#51), Step 1o Turbo 202506: 35.5 (#174)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| GPQA Diamond | 87.9% | — |
| SimpleQA Verified | 36.5% | — |
| LMArena Expert | — | 1308 |
Multimodal Not comparable
Kimi K2.7 Code: —, Step 1o Turbo 202506: 35.4 (#75)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Vision | — | 1186 |
Multilingual Not comparable
Kimi K2.7 Code: —, Step 1o Turbo 202506: 45.5 (#168)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Non-English | — | 1313 |
| LMArena Chinese | — | 1380 |
| LMArena German | — | 1315 |
| LMArena Russian | — | 1327 |
Instruction Following Not comparable
Kimi K2.7 Code: —, Step 1o Turbo 202506: 69.4 (#171)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Instruction Following | — | 1311 |
Long Context Not comparable
Kimi K2.7 Code: —, Step 1o Turbo 202506: 41.1 (#141)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Longer Query | — | 1350 |
Writing & Preference Not comparable
Kimi K2.7 Code: —, Step 1o Turbo 202506: 53.4 (#154)
| Benchmark | Kimi K2.7 Code | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Text | — | 1336 |
| LMArena Creative Writing | — | 1308 |
| LMArena Multi-Turn | — | 1341 |
Frequently asked questions
Is Kimi K2.7 Code better than Step 1o Turbo 202506?
Kimi K2.7 Code is the stronger model overall, scoring 43.0 to 39.1 on the Noometry Index.
Is Kimi K2.7 Code or Step 1o Turbo 202506 better for coding?
Kimi K2.7 Code scores higher on coding benchmarks: 42.4 versus 38.6 in the Noometry coding category.
How many benchmarks do Kimi K2.7 Code and Step 1o Turbo 202506 share?
0 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Step 1o Turbo 202506 has 14.