Skip to content
AnyRouter

Step 3.7 Flash

Tools
stepfun-ai/step-3.7-flash

128K context · Jun 2026 · 7 upstreams

A 1T parameter multimodal Mixture-of-Experts model optimized for long-horizon coding, agentic tool use, and image/video understanding. Served via NVIDIA NIM with fast inference and structured output support.

Needs your own keyTo use Step 3.7 Flash, add a key from Nous Research, StepFun, StepFun Step Plan or 4 more. AnyRouter adds no fee.
context
128K
input / 1M (list)
$0.20
output / 1M (list)
$1.15
routes
7
speed, 24h
—

Upstreams

7
  1. 1Nous ResearchYour key · not addedyour planTPS —TTFT ——
  2. 2StepFunYour key · not addedyour planTPS —TTFT ——
  3. 3StepFunYour key · not addedyour planTPS —TTFT ——
  4. 4CommandCodeYour key · not addedyour planTPS —TTFT ——
  5. 5NovitaAIYour key · not addedyour planTPS —TTFT ——
  6. 6OpenRouterYour key · not addedyour planTPS —TTFT ——
  7. 7Vercel AI GatewayYour key · not addedyour planTPS —TTFT ——
  • Up
  • No traffic
  • Down

Try it

Send a prompt

Details

Owner
StepFun AI
Kind
Vision
Released
Jun 2026
Context
128K
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "stepfun-ai/step-3.7-flash",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'