Step 5 Preview Free API on Cline

Free API Verified

Available from Cline

★★★★★★★★★★ 3.5 Benchmark-backed score

StepFun's next-generation flagship base model for coding and professional knowledge work, with native text, image, and video input and a 1M-token context window

Free APICline nativeReasoningTool callingJSON modeText

Try in Playground Compare Save API Key

API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

See provider docs

Model ID

cline-free/step-5-preview

API format Cline native

Technical Details

Step 5 Preview specifications

Provider and model catalog

Context window 1.0M

Max output 1.0M

Status Online

Released Sep 16, 2026

Last updated Oct 9, 2026

Free listing since Oct 9, 2026

Input text, image, video

Output text

Capabilities reasoning, tool calling, structured output, file attachments

AI Recommendation

Should you use Step 5 Preview?

Step 5 Preview is listed for chat workloads and supports a 1.0M context window.

Use it when Cline's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Long context window
Reasoning mode listed
Tool calling support
Structured JSON output

Watch outs

Free-tier rate limits apply
Vision support is not listed

Benchmark Overview

Benchmark signals for Step 5 Preview

Measured data

Intelligence General reasoning and instruction following

43.7/100

Speed Observed generation speed

88 tok/s

Context Maximum listed context window

1.0M

Pricing

Step 5 Preview pricing per 1M tokens

Free tier listed

Input $1 per 1M tokens

Output $2.7 per 1M tokens

Access Available Cline

Rate limit See provider page provider policy

Availability

Step 5 Preview availability by provider

Current provider only

We only found this Step 5 Preview listing on Cline in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
Cline	Step 5 Preview	Free tier	0	Native	See provider page

View Cline setup guide →

Compare

Step 5 Preview alternatives to consider

Open comparison

Model	Provider	Access
Muse Spark 1.3 Contributor	Cline	Free tier
Mimo V2.6 Flash	Cline	Free tier
Solar Mini 4	Cline	Free tier

Typical Use Cases

Step 5 Preview use cases

Chat

Step 5 Preview is tagged for chat in this catalog.

FAQ

Step 5 Preview free API FAQ

Is Step 5 Preview free to use?

Step 5 Preview is listed with free API access on Cline, subject to the provider's quota and account policy.

What is the Step 5 Preview model ID?

The model ID shown in this catalog is cline-free/step-5-preview.

What context window does Step 5 Preview support?

The listed context window is 1.0M tokens with up to 1.0M output tokens.

More about Step 5 Preview

Step 5 Preview is a free model available from Cline.

For API keys, setup steps, and provider-level limits, see the Cline provider page.