StepFun: Step 3.7 Flash

stepfun/step-3.7-flash

Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...

Context window: 262,144 tokens
Input: text · image · video
Output: text
Relay support: Text & vision

Open in workspace →OpenRouter model page

Reference prices & points

Our global markup: 15% · 1 USD = 10,000 points · Price version 0

Billing unit	OpenRouter / USD	Our reference / USD	Points
Input / 1M tokens	$0.2	$0.23	2,300
Output / 1M tokens	$1.15	$1.3225	13,225
Cache read / 1M tokens	$0.04	$0.046	460

Actual charge = the OpenRouter request cost × the markup locked for that request. Catalogue rates may be routing references; caching, long context, images and audio are charged when used. Listed prices do not mean every capability is available through this relay.

Catalogue time: 2026-11-11T23:05:25.472Z · Live catalogue

View all upstream price fields

{
  "prompt": "0.0000002",
  "completion": "0.00000115",
  "input_cache_read": "0.00000004"
}

Integration & availability

Use /v1/chat/completions for non-streaming, multi-turn conversations. Models marked for vision accept images; documents can be extracted to text in the workspace. Create a site API key and ensure you have enough points and the service is enabled. Provider availability, context and budget limits apply.

Read the API guide → · Back to model directory