Step 5 Preview High
| Released | 2026-09-16 |
|---|---|
| Price per 1M | $1.05 in · $2.99 out |
| Overall score | 57.0 (early, few results) |
| Context window | 1,000,000 tokens |
| Provider | StepFun |
| Weights | Open weights |
| Configuration | High |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 57.0 | 2 | |
| Overall: Coding | 56.1 | 2 | |
| Overall: Reasoning | 57.7 | 1 | |
| Overall: Agentic work | 57.7 | 1 | |
| Overall: Frontend | 55.0 | 1 | |
| Reasoning | 57.7 | 1 | |
| Frontend | 55.0 | 1 | |
| Value vs price | +5.6 |
Evidence
Reasoning 57.7 ±3.6
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Extended NYT Connections | 76.6% | Lech Mazur | 2026-11-10 |
Frontend 55.0 ±3.0
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LMArena WebDev | 1,572 | LMArena | 2026-11-09 |
Names matched to this model
step-5-preview-high