StepFun, language model
Step 5 Preview
Released Sep 18, 2026. Scored on 2 boards.
44Artificial Analysis Intelligence IndexRank 20 of 40
- Released
- Sep 18, 2026
- Price, in / out
- $1.00 / $2.70
- per 1M tokens, list price
- Blended price
- $1.43
- 3 input tokens per output token
- Context
- n/a
- Open weights
- No
Scores
The latest published score on each board, ranked against every model we track. Each score links to its source.
| Board | Score | Rank | Record | Date | Source | Readings |
|---|---|---|---|---|---|---|
| Artificial Analysis Intelligence IndexOverall | 44 | 20 of 40 | 58Claude Opus 5.5 | Oct 20, 2026 | artificialanalysis.ai | 1 |
| Output speedSpeed | 86 | 13 of 26 | 239Claude Haiku 5.5 | Oct 20, 2026 | artificialanalysis.ai | 1 |
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