Model · multimodal model
Step 5 Preview
Step 5 Preview is a multimodal model from StepFun, first covered on 21 September 2026. It is available through an API. Its context window is 1M tokens.
Last updated
At a glance
- Made by
- StepFun
- Type
- Multimodal model
- Availability
- API
- Licence
- Not stated
- Context window
- 1M tokens
- First seen
- 21 September 2026
Taken from the coverage, not from our own testing; "not stated" means none of the reports we read gave it. All tracked models →
1 story about Step 5 Preview
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StepFun launches Step 5 Preview with 1M-token context and $1 input pricing
StepFun announced Step 5 Preview, its flagship mixture‑of‑experts model aimed at agentic software engineering, knowledge work, and finance tasks. The model totals about 600 billion parameters but activates roughly 27…
1 sourceMarkTechPost
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