StepFun: Step 3.7 Flash
Stepfun
stepfun/step-3.7-flashAbout this model
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...
Make a request
OpenAI-compatible: set the base URL and your Promptix API key, keep your existing SDK.
curl https://promptix.tn/api/v1/chat/completions \ -H "Authorization: Bearer $PROMPTIX_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "stepfun/step-3.7-flash", "messages": [ {"role": "user", "content": "Hello! What can you do?"} ] }'Pricing
In TND per 1M tokens. VAT and the platform fee are added at top-up.
Input tokens
0.665 TNDper 1M tokens
Output tokens
3.821 TNDper 1M tokens
1,000 requests with 1K input and 500 output tokens cost about 2.575 TND.
Specifications
- Provider
- Stepfun
- Context window
- 262,144 tokens
- Input modality
- Text, Image
- Added
- May 28, 2026
- Supported parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoning