modelsdev/step216k

modelsdev· 16K ctx

API onlytool call quant: unknown

spread (output)

1.0×

$16.44 – $16.44 · 2 providers

2 providers priced

Provider	Input	Output	Cache rd	Blended
StepFun (China) first party lab	$5.21	$16.44	$1.04	$3.58
StepFun (Global) relay router	$5.21	$16.44	$1.04	$3.58

Cheapest (output)

StepFun (China)

$16.44 /M

opencode.json

{
  "provider": {
    "stepfun": {
      "npm": "@ai-sdk/openai-compatible",
      "options": {
        "baseURL": "https://api.stepfun.com/v1"
      },
      "models": {
        "step-2-16k": {}
      }
    }
  }
}

Set STEPFUN_API_KEY in your environment. Generated — verify against the OpenCode docs.

Output $/M over time7-day preview

Median line, min–max band. Pre-2026-09 points are catalog-recorded dates from models.dev git history, not provider effective dates.

Full price history & dynamics

This is a 7-day preview. Sign in for 30 days free; the full series and export are the API subscription.

Data: models.dev (MIT), snapshot 2026-09-20. Prices are vendor-published; verify before purchase. Methodology.