Vercel AI Gateway

Step 5 Preview

Name: Step 5 Preview
Brand: Vercel AI Gateway

Canonical ID: vercel/stepfun/step-5-preview

More Vercel AI Gateway models More step family models

StepFun flash model for efficient multimodal reasoning, coding, and tool use

Reasoning: No Tool use: No

Overview

text image

Provider: Vercel AI Gateway
Family: step
Release date: 2026-09-20
Last updated: 2026-09-20
Input modalities: text, image
Output modalities: text

Pricing and Limits

Token pricing

Input: $1/1M
Output: $2.7/1M
Cached input: N/A

Context and output

Context window: 1,000,000
Max output tokens: 1,000,000
Qualified ID: vercel/stepfun/step-5-preview

Model Summary

Step 5 Preview is a model listing in the Vercel AI Gateway provider catalog. It is categorized under the step family.

The model supports text, image modalities across input/output paths. Reported context capacity is 1,000,000. Pricing is listed at $1/1M input and $2.7/1M output.

Same Family: step

Comparable models in the same family across providers.

Browse family

Model	Provider	Context	Input	Output	Flags
Step 5 Preview nano-gpt/stepfun/step-5-preview	NanoGPT	1,000,000	$1/1M	$2.7/1M	Reasoning Tools
StepAudio 2.5 ASR stepfun-ai/stepaudio-2.5-asr	StepFun (Global)	0	N/A	N/A
StepAudio 2.5 ASR stepfun/stepaudio-2.5-asr	StepFun	0	N/A	N/A
StepAudio 2.5 TTS stepfun/stepaudio-2.5-tts	StepFun	0	N/A	N/A
StepAudio 2.5 TTS stepfun-ai/stepaudio-2.5-tts	StepFun (Global)	0	N/A	N/A
stepfun-ai/Step-3.5-Flash siliconflow-cn/stepfun-ai/Step-3.5-Flash	SiliconFlow (China)	262,000	$0.1/1M	$0.3/1M	Reasoning Tools
Step TTS 2 stepfun-ai/step-tts-2	StepFun (Global)	0	N/A	N/A
Step TTS 2 stepfun/step-tts-2	StepFun	0	N/A	N/A

Step 5 Preview

Overview

Pricing and Limits

Token pricing

Context and output

Model Summary

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