StepFun: Step 3.5 Flash
StepFunllmactive
StepFun: Step 3.5 Flash by StepFun, listed 2026-01-29. 262K token context window. API pricing $0.10 in / $0.30 out per 1M tokens.
Context window
262K262,144 tokens
Input price
$0.10USD per 1M tokens
Output price
$0.30USD per 1M tokens
Released
2026-01-29active
Family
StepStepFun
Modalities
text → textinput → output
Pricing
| Tier | Price | Unit | Source |
|---|---|---|---|
| Input | $0.10 | USD per 1M tokens | Listing snapshot |
| Output | $0.30 | USD per 1M tokens | Listing snapshot |
Scores
No verified benchmark scores for this model yet. The scores section fills in as score data lands — values are never estimated.
Timeline
- 2026-01-29Listed on OpenRouter
Links & tags
text-intext-out