Models Model details

ByteDance Seed

ByteDance Seed: Seed 1.6 Flash

bytedance-seed/seed-1.6-flash

Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of up to 16k tokens.

Input
$0.075

/ 1M tokens

Output
$0.3

/ 1M tokens

Context window
262.14K

tokens

Limits

Context

262,144

tokens

Max output

32,768

13% of the context window

Model facts

Author

ByteDance Seed

Tokenizer

Other

Modality

Text + Image + Video -> Text

Created

Dec 23, 2025

Publication status

Hugging Face: unavailableLicense: not publishedParameter count: not published

Modalities

Input · ImageInput · TextInput · VideoOutput · Text

Generation controls

Frequency penaltyInclude reasoningMax tokensReasoningResponse formatStopStructured outputsTemperatureTool choiceToolsTop p