Step 3.7 Flash

Overview

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... Step 3.7 Flash is served through the PARROTSIGHT unified API at StepFun's list price, with the same authentication, metering and regional pinning (MY / SG / ID) as every native model. No separate provider account is required.

• 262K token context · multimodal input
• OpenAI-compatible endpoint — migrate with a two-line change
• Streaming (SSE) supported for all text outputs
• Billed at provider list price, metered per token

Capabilities

API

curl -X POST https://api.parrotsight.com/v1/vision/analyze \
  -H "Authorization: Bearer $PS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"stepfun/step-3.7-flash","image":"data:image/jpeg;base64,<BASE64_ENCODED_FRAME>","tasks":["scene","objects","caption"]}'

Version history

1. v2026.5Latest2026-05-28

   Added to the PARROTSIGHT catalogue at StepFun list pricing.