Seed 1.6 Flash

language modelByteDance

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...

Key facts

Made byByteDance
Typelanguage model
ReleasedDecember 23, 2025
Reads at once262,144 tokens
Price (API, per million tokens)$0.08 in · $0.3 out
Input → outputimage, text, video → text

Questions about Seed 1.6 Flash

Who makes Seed 1.6 Flash?

Seed 1.6 Flash is made by ByteDance.

When was Seed 1.6 Flash released?

We first saw Seed 1.6 Flash listed on December 23, 2025.

How much does Seed 1.6 Flash cost?

Through OpenRouter it costs $0.08 per million input tokens and $0.3 per million output tokens. Prices change, so check the provider before you build on it.

How much text can Seed 1.6 Flash read at once?

Up to 262,144 tokens, roughly 196.6K words.

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