Model comparison
Kimi K2 Thinking Turbo vs Step 3.7 Flash
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 37.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
StepFunSummary
- The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 32.5 to 21.6.
Side by side
| Kimi K2 Thinking Turbo | Step 3.7 Flash | |
|---|---|---|
| Provider | Moonshot AI | StepFun |
| Noometry Index | 45.8 | 37.3 |
| Released | 2025-11-06 | 2026-05-29 |
| Weights | Open | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 21 | 5 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Step 3.7 Flash leads
Kimi K2 Thinking Turbo: 38.4 (#178), Step 3.7 Flash: 40.0 (#150)
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena WebDev | 1322 | — |
| SciCode | — | 40% |
| LMArena Coding | 1454 | — |
| ALE-Bench | — | 694.12 |
Reasoning Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 32.5 (#75), Step 3.7 Flash: 21.6 (#219)
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| Chess Puzzles | 20% | — |
| LMArena Hard Prompts | 1428 | — |
Math Kimi K2 Thinking Turbo leads
Kimi K2 Thinking Turbo: 47.4 (#68), Step 3.7 Flash: 42.9 (#82)
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| OTIS Mock AIME 2024-2025 | 83.1% | — |
| LMArena Math | 1429 | — |
Knowledge Not comparable
Kimi K2 Thinking Turbo: 50.9 (#69), Step 3.7 Flash: —
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 84.2% | — |
| LMArena Expert | 1439 | — |
Multilingual Not comparable
Kimi K2 Thinking Turbo: 51.4 (#109), Step 3.7 Flash: —
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1398 | — |
| LMArena Chinese | 1456 | — |
| LMArena French | 1425 | — |
| LMArena German | 1390 | — |
| LMArena Japanese | 1357 | — |
| LMArena Korean | 1330 | — |
| LMArena Russian | 1391 | — |
| LMArena Spanish | 1406 | — |
Instruction Following Not comparable
Kimi K2 Thinking Turbo: 74.0 (#109), Step 3.7 Flash: —
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1403 | — |
Long Context Not comparable
Kimi K2 Thinking Turbo: 43.2 (#102), Step 3.7 Flash: —
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1415 | — |
Writing & Preference Not comparable
Kimi K2 Thinking Turbo: 60.0 (#104), Step 3.7 Flash: —
| Benchmark | Kimi K2 Thinking Turbo | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1415 | — |
| LMArena Creative Writing | 1374 | — |
| LMArena Multi-Turn | 1414 | — |
Frequently asked questions
Is Kimi K2 Thinking Turbo better than Step 3.7 Flash?
Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.8 to 37.3 on the Noometry Index.
Is Kimi K2 Thinking Turbo or Step 3.7 Flash better for coding?
Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 38.4 in the Noometry coding category.
How many benchmarks do Kimi K2 Thinking Turbo and Step 3.7 Flash share?
0 benchmarks have published results for both models. Kimi K2 Thinking Turbo has 21 scored results on Noometry and Step 3.7 Flash has 5.