# Step 5 Preview release · 2026-09-18 · snapshot 2026-10-25

Creator: StepFun · 1 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Step 5 Preview | Text, Image | 43.70 | $1190 | 12.1s | no | `step-5` |

Open weights · on the open-weights frontier today: 0 of 1

## Launch day (2026-09-18)

- Reached the frontier: 1 of 1
- Reached the open-weights frontier: 1 of 1
- Impact (intelligence × log-cost hypervolume gained): 0.20
- Rank: #34 of 46 releases this past year


> Metrics snapshot: 2026-10-25T09:25:16Z. Intelligence index version: unknown. Release timeline, frontier age, release impact and shakeup cards are reconstructions using one selected snapshot's metrics, not a record of what was known at release. Scores, benchmark cost and derived value may change when the index methodology changes. Source documentation advertises v4.3.2; API correspondence is unverified.