Step 3.7 Flash API

CN StepFun | veröffentlicht 2026-10

In Spielwiese testen → API-Schlüssel erhalten

Step 3.7 Flash is StepFun’s flagship multimodal reasoning model on a 198B-total / 11B-active sparse MoE architecture, with native image input and fast responses. Strong on reasoning-heavy multimodal tasks at a price well below Western frontier models.

cap.visionReasoningSchnell

Preise (offiziell, pro 1M Tokens)

Eingabe

$0.20/M

Ausgabe

$1.20/M

Spezifikationen

Kontextfenster256K Tokens EingabemodalitätenText StreamingJa APIOpenAI-kompatibel

So verwenden Sie Step 3.7 Flash

Direkter OpenAI-Ersatz. Ändern Sie nur base_url und Modell.

# Python - pip install openai
from openai import OpenAI

client = OpenAI(
    base_url="https://meshtok.com/v1",
    api_key="sk-your-MeshTok-key",
)

resp = client.chat.completions.create(
    model="stepfun/step-3.7-flash",
    messages=[{"role":"user","content":"Hello!"}],
)
print(resp.choices[0].message.content)

# cURL
curl https://meshtok.com/v1/chat/completions \
  -H "Authorization: Bearer sk-your-MeshTok-key" \
  -H "Content-Type: application/json" \
  -d '{"model":"stepfun/step-3.7-flash","messages":[{"role":"user","content":"Hello!"}]}'