Seed 1.6 Flash

bytedance-seed· 2025-08-28· 256K ctx

API onlytool callreasoning quant: unknown

spread (output)

1.4×

$0.220 – $0.300 · 6 providers

6 providers priced

Provider	Input	Output	Cache rd	Blended
Ofox relay router	$0.030	$0.220	$0.0043	$0.031
Volcengine Arktiered relay router	$0.022	$0.223	$0.0044	$0.029
Kilo Gateway relay router	$0.075	$0.300	—	$0.095^*
DevPass (LLM Gateway) relay router	$0.070	$0.300	$0.015	$0.056
LLM Gateway relay router	$0.070	$0.300	$0.015	$0.056
OpenRoutertiered unknown	$0.075	$0.300	—	$0.095^*

Cheapest (output)

Ofox

$0.220 /M

opencode.json

{
  "provider": {
    "ofox": {
      "npm": "@ai-sdk/openai-compatible",
      "options": {
        "baseURL": "https://api.ofox.ai/v1"
      },
      "models": {
        "volcengine/doubao-seed-1-6-flash": {}
      }
    }
  }
}

Set OFOX_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.