Seed 1.6 Flash

ByteDance Seed· released 23 Dec 2025

bytedance-seed/seed-1.6-flash

Input / 1M tokens: $0.075
Output / 1M tokens: $0.3

Context window262K tokens

Longest answer: 33K tokens

reads imagereads textreads videotool callingvisionreasoning

About

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...

Details

Lab: ByteDance Seedopenrouter.ai · 3 Oct 2026
Context: 262Kopenrouter.ai · 3 Oct 2026
Input price: $0.075 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $0.3 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 32,768 tokensopenrouter.ai · 3 Oct 2026
Inputs: image, text, videoopenrouter.ai · 3 Oct 2026
Open weights: Noopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/bytedance-seed/seed-1.6-flash· checked 3 Oct 2026