Seed1.6

Closed Deprecated Multimodal MoE seed-1-6

Multimodal MoE model (230B total, 23B active) with adaptive thinking and 256K context.

Released
Jun 11, 2025
Context window
262K tokens
Max output
65.5K tokens
Parameters
230B 23B active
Input price
$0.25 per 1M
Output price
$2.00 per 1M

Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.

Pricing

Launch priceJul 1, 2025
$0.25 in / $2.00 out
Current price since Jul 1, 2025
$0.25 in / $2.00 out
Cached input $0.05 per 1M

Specifications

Developer
ByteDance
Model type
Multimodal
Architecture
MoE
Parameters
230B (23B active)
Input
Text Image Video
Output
Text
Knowledge cutoff
Not disclosed
License
Proprietary
API access
First-party API
End of life
Nov 11, 2026
Capabilities
Flagship Long context Reasoning Vision