Language model
Step 3.5 Flash 2603
StepFun
- Released
- April 2, 2026
- Data date
- September 8, 2026
Profile
Specifications and access
Published information about this model. Existing estimates are explicitly labeled.
Evidence
Sources and data date
Every statement links to its underlying documentation or leaderboard.
| Type | Evidence and data date |
|---|---|
| Additional source | models.dev catalog (retrieved September 8, 2026) |
| Additional source | Hugging Face |