seed familyActive
Seed 1.8
ByteDance Seed model for multimodal reasoning, long-context analysis, and agent workflows
Context
256,000
Max output
64,000
Input / 1M
$0.11
Output / 1M
$0.28
Providers
2
01Profile
Profile
Released
2025-12-28
Last updated
2025-12-28
Knowledge cutoff
—
Weights
Closed
02Capabilities
Capabilities
Input
text · image
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
—
Cache write
—
03Pricing
Pricing across 2 providers
Per 1M tokens, USD. Sorted by input price. First-party row highlighted.
04History
Change history
2+ recent events since 2025-12-28
2026-08-14Addedofoxoffering→ new
2026-01-05Addedzenmuxoffering→ new