Pyyan / Language Models / Step 5 Preview
Step 5 Preview
A frontier tier score at a tenth of the frontier price.
currentStepFun ↗Verified 2026-09-20
44
Artificial Analysis index
Specifications
| Context | 1Msource · as of 2026-09-20 · medium confidence |
|---|---|
| Input ($/Mtok) | $1source · as of 2026-09-20 |
| Output ($/Mtok) | $2.7source · as of 2026-09-20 |
| Licence | Proprietarysource · as of 2026-09-20 |
| Max output | Not publishedsource · as of 2026-09-20 |
| Parameters | 600B total, 27B activesource · as of 2026-09-20 |
| Released | 18 Sep 2026source · as of 2026-09-20 |
| Model ID | step-5-previewsource · as of 2026-09-20 · medium confidence |
What matters
- 600B total parameters with 27B active per token, text and images in
- 24th of 200 models on the Artificial Analysis intelligence index
- Listings disagree on context: 1M on StepFun's API and Artificial Analysis, 100K on some trackers
Best for cheap reasoning at volume.