StepFun: Step 5 Preview
A separated view of observed usage, supported capabilities, task fit, and third-party evaluations.
Providerstepfun
stepfun/step-5-preview
7-day token floor6.9T
Observed share floor3.32%
Weekly change+2.1%
Max context1M tok
Capabilities
Input
textimagevideo
Output
text
Tool callingSupported
Ranking signals
- Weekly popular
- #6
- Throughput
- #77
- Latency
- #465
- Observed days
- 7/7
Use-case fit
Task observations
Third-party evaluations
- Intelligence
- 28.5
- Coding
- —
- Agentic
- —
- Design Arena ELO
- —
Third-party metrics do not feed usage ranking or a LastAI composite score.