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Step 5 Preview
deepinfra/
Deepinfra model · Served by DeepInfra · live on the gateway
Input / 1M
$1.00
Output / 1M
$2.70
Context
1M tokens
Max output
66K tokens
Input
Text, Image, Video
Released
1mo ago
Pricing
Input tokens$1.00 per 1M
Output tokens$2.70 per 1M
Provider list priceExactly what your balance is debited; our fee is charged when you buy credits
About Step 5 Preview
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
VisionReasoningTools
What it supports
- Tool calling (function calling)
- JSON mode and structured output
- Image input (vision)
- Audio input
- Extended reasoning
- Streaming responses
- OpenAI SDK, Anthropic SDK and any OpenAI-compatible client
Make a request
curl https://rapidrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $RAPIDROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepinfra/stepfun-ai/step-5-preview",
"messages": [{ "role": "user", "content": "Hello" }]
}'Frequently asked
How do I call Step 5 Preview through an OpenAI-compatible API?
Point any OpenAI-compatible client at https://rapidrouter.ai/api/v1 with a Rapid Router API key and set the model to deepinfra/stepfun-ai/step-5-preview. The chat completions endpoint is https://rapidrouter.ai/api/v1/chat/completions.
What is the context window of Step 5 Preview?
Step 5 Preview has a context window of 1,000,000 tokens on Rapid Router, and returns up to 65,536 output tokens per reply.
What can Step 5 Preview do?
On Rapid Router, Step 5 Preview supports tool calling, JSON mode, image input, extended reasoning.