Creator unverified · deprecated

Stepfun-Ai/Gelab Zero 4b Preview

Stepfun-Ai/Gelab Zero 4b Preview is listed with its creator unverified. It accepts text and image input and produces text output. Reported capabilities include tool calling.

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Report an error Model and price history

Modalities

Token rates

Unavailable

No recent paired token rate available

Context

Released

2025-12-23

Knowledge cutoff

Unknown

Where to use it

1 observed offerings · token prices in USD per million where available

Estimate your workload cost

Qiniu

stepfun-ai/gelab-zero-4b-preview

deprecated

Input

—

Output

—

Cache

—

Context

Max output

Reasoning: No
Tool calling: Yes
Structured output: No
Temperature: Yes

Not a current offering

Limits and capabilities reflect each provider’s listed offering. Unknown means support was not reported.

Provider / API ID	Status	Context	Max output	Input	Output	Cache read	Reasoning	Tools	Structured	Temperature
Qiniu stepfun-ai/gelab-zero-4b-preview	deprecatedNot a current offering	8K	4K	—	—	—	No	Yes	No	Yes

Capabilities and limits

Input: text, image
Output: text
Max output: 4K
Weights: Closed (source-reported)
Release: 2025-12-23
Knowledge cutoff: Unknown
Family: stepfun

Tool calling · Vision

Provider-specific limits and support can differ.

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Model and price history

Latest recorded change: source refresh · 2026-10-22

Model changes (2)

source refresh · 2026-10-22

{
  "before": {
    "status": "current"
  },
  "after": {
    "status": "deprecated"
  }
}

source refresh · 2026-09-17

{
  "before": {
    "open_weights": null
  },
  "after": {
    "open_weights": false
  }
}