Step 2
Step 2 is a StepFun proprietary model, released 1 Jan 2025. It is not yet ranked: 4 independent results so far, and the index needs at least five across two categories. Last measured 22 Oct 2026.
- Blended price
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- Output speed
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- First answer
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- Context
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- Full answer
- –
- Cost per run
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- Released
- 1 Jan 2025
- Reasoning48
- Coding49
- Maths48
- Human preference49
Versions
StepFun has shipped 2 models under this name. Each is ranked on its own results; a newer version often has fewer results so far, which holds its index nearer the average until more arrive.
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Hard Prompts | 1338#224 | Arena (LMArena) |
Coding
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Coding | 1370#221 | Arena (LMArena) |
Maths
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Maths | 1312#218 | Arena (LMArena) |
Instruction following
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Instruction Followingnot in index | 1316#221 | Arena (LMArena) |
Human preference
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena Text | 1334#222 | Arena (LMArena) | |
| Arena Creative Writingnot in index | 1335#184 | Arena (LMArena) | |
| Arena Multi-turnnot in index | 1307#237 | Arena (LMArena) | |
| Arena Longer Queriesnot in index | 1342#213 | Arena (LMArena) |
See also
Questions people ask
- Why does Step 2 have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Step 2 has 4 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
- When was Step 2 released?
- StepFun released Step 2 on 1 Jan 2025.
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “Step 2: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/step-2.