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Stepfun-Ai/Gelab Zero 4b Preview

stepfun·stepfun/gelab-zero-4b-preview·GA·Closed
StepFun flash model for efficient multimodal reasoning, coding, and tool use

Specs & pricing

Input / output per 1M tokens
Reference price
Price undisclosed
Lowest paid
No paid channels
Context
8,192
Output limit
4,096
Knowledge cutoff
—
Released / updated
2025-12-23 / 2025-12-23
Capabilities
Reasoning✓ Tool useStructured output✓ Temperature✓ Attachments
Modalities
TextImage

Available at 1 providers0 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
QiniuGateway————8,1924,096hostTable.undisclosed

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Your usage cost

This model has no public prices; can't estimate.

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$0.0001$02026-08-052026-08-13
Data partly from models.dev (MIT)