Seed 2.0 Pro

bytedance-seed· 2026-02-14· 256K ctx

API onlytool callreasoningstructured quant: unknown

spread (output)

1.6×

$2.37 – $3.79 · 6 providers

6 providers priced

Provider	Input	Output	Cache rd	Blended
Volcengine Arktiered relay router	$0.475	$2.37	$0.095	$0.406
Deep Infratiered open weights host	$0.500	$3.00	$0.100	$0.473
Merge Gateway unknown	$0.500	$3.00	—	$0.727^*
Requesty relay router	$0.500	$3.00	$0.100	$0.473
Ofox relay router	$0.670	$3.36	$0.140	$0.578
EmpirioLabs AItieredoutlier relay router	$0.630	$3.79	$0.630	$0.918

Cheapest (output)

Volcengine Ark

$2.37 /M

opencode.json

{
  "provider": {
    "volcengine": {
      "npm": "@ai-sdk/openai-compatible",
      "options": {
        "baseURL": "https://ark.cn-beijing.volces.com/api/v3"
      },
      "models": {
        "doubao-seed-2-0-pro-260215": {}
      }
    }
  }
}

Set ARK_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.