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Seed 1.6

Parameters
230B
Published
Jun 11, 2025

Seed 1.6 is an AI model developed by ByteDance (China), first published in June 2025. It works in the multimodal, language, vision and video domain, on tasks such as language modeling/generation, image captioning and video generation.

Epoch AI has no training-compute estimate for this model. The model has 230,000,000,000 parameters.

Access: API access. Its weights are not openly released. Epoch AI rates the confidence of this record as confident.

Full record
Organization
ByteDance
Country of organization
China
Domain
Multimodal, Language, Vision, Video
Task
Language modeling/generation, Image captioning, Video generation
Parameters
230,000,000,000
Model accessibility
API access
Open weights
No
Epoch confidence
Confident
More from ByteDance
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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