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Models / ByteDance Seed / Seed 1.8

ByteDance Seed · seed

Seed 1.8

ByteDance Seed model for multimodal reasoning, long-context analysis, and agent workflows

$0.12 in · $0.29 out

per 1M tokens · provider rate closest to the median. No first-party ByteDance Seed price was listed. The reference price is Ofox's rate, the provider closest to the median.

Provider input prices run from $0.12 to $0.12 per 1M tokens. Output prices run from $0.29 to $1.19.

Context
256,000
Max output
64,000
Cache read
$0.023
Cache write
—
Reasoning
Yes
Tool calls
Yes
Structured output
Yes
Vision
Yes
Open weights
No
License
—
Released
Dec 28, 2025
Updated in source
Dec 28, 2025
Knowledge
—
Providers
2

What this model costs per month

Prices are USD per 1M tokens. A month is 30 days. Cache hits use the cache-read rate when the model has one; otherwise the cache field is ignored.

monthly = requests/day × 30 × (input tokens × (1 − cache hit) × input price + input tokens × cache hit × cache-read price + output tokens × output price) ÷ 1,000,000

Providers

Base rates from Models.dev. One row per provider.
ProviderInputOutputCache readCache writeStatus
Volcengine Ark$0.12$1.19$0.024——
Ofoxreference$0.12$0.29$0.023——