step-5-preview Free API on NVIDIA NIM

Free API Verified

Available from NVIDIA NIM

★★★★★★★★★★ 3.5 Benchmark-backed score

stepfun-ai/step-5-preview — free model from NVIDIA NIM (stepfun-ai).

Free APIOpenAI compatibleTextImage

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://integrate.api.nvidia.com/v1

Model ID

stepfun-ai/step-5-preview

API format OpenAI Chat Completions

Technical Details

step-5-preview specifications

Provider catalog

Context window 1.0M

Max output 64K

Status Online

Released Sep 18, 2026

Last updated Oct 16, 2026

Free listing since Oct 16, 2026

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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 NVIDIA NIM's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Long context window
Works with OpenAI-style SDKs
Live API verification available

Watch outs

Free-tier rate limits apply
Tool calling is not confirmed

Benchmark Overview

Benchmark signals for step-5-preview

Measured data

Intelligence General reasoning and instruction following

43.7/100

Speed Observed generation speed

91 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 NVIDIA NIM

Rate limit Up to 40 RPM provider policy

Availability

step-5-preview availability by provider

Current provider only

We only found this step-5-preview listing on NVIDIA NIM in the current catalog. Use the related models section for nearby alternatives.

Provider	Model listing	Access	Context	API	Limits
NVIDIA NIM	stepfun-ai/step-5-preview	Free tier	1.0M	OpenAI-style	Up to 40 RPM

View NVIDIA NIM setup guide →

Compare

step-5-preview alternatives to consider

Open comparison

Model	Provider	Context	Access
01-ai/yi-large	NVIDIA NIM	131K	Free tier
adept/fuyu-8b	NVIDIA NIM	131K	Free tier
ai21labs/jamba-1.5-large-instruct	NVIDIA NIM	131K	Free tier
aisingapore/sea-lion-7b-instruct	NVIDIA NIM	131K	Free tier
bigcode/starcoder2-15b	NVIDIA NIM	131K	Free tier

Typical Use Cases

step-5-preview use cases

Chat

step-5-preview is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

step-5-preview free API FAQ

Is step-5-preview free to use?

step-5-preview is listed with free API access on NVIDIA NIM, 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 stepfun-ai/step-5-preview.

What are the step-5-preview free tier rate limits on NVIDIA NIM?

The listed free tier limit is Up to 40 RPM. Limits can change per account tier, so confirm against the provider dashboard.

What context window does step-5-preview support?

The listed context window is 1.0M tokens with up to 64K output tokens.

More about step-5-preview