Seed 1.6
language modelByteDance
Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
Key facts
| Made by | ByteDance |
|---|---|
| Type | language model |
| Released | December 23, 2025 |
| Reads at once | 262,144 tokens |
| Price (API, per million tokens) | $0.25 in · $2 out |
| Input → output | image, text, video → text |
Questions about Seed 1.6
Who makes Seed 1.6?
Seed 1.6 is made by ByteDance.
When was Seed 1.6 released?
We first saw Seed 1.6 listed on December 23, 2025.
How much does Seed 1.6 cost?
Through OpenRouter it costs $0.25 per million input tokens and $2 per million output tokens. Prices change, so check the provider before you build on it.
How much text can Seed 1.6 read at once?
Up to 262,144 tokens, roughly 196.6K words.
More from ByteDance
SDXL-LightningByteDance · image model
Feb 20, 2024released
Seed 2.1 TurboByteDance · language model
Aug 12, 2026released
Seed-2.0-CodeByteDance · coding model
Aug 12, 2026released
Seed-2.0-LiteByteDance · language model
Mar 10, 2026released
Seed-2.0-MiniByteDance · language model
Feb 26, 2026released
Seed 1.6 FlashByteDance · language model
Dec 23, 2025released
Other language models
gpt2Openai Community · language model
Mar 2, 2022released
Qwen3.8Alibaba (Qwen) · language model
Aug 5, 2026released
Qwen3 VLAlibaba (Qwen) · language model
Sep 23, 2025released
Qwen2.5 VLAlibaba (Qwen) · language model
Jan 26, 2025released
optMeta · language model
May 11, 2022released
Qwen3.6Alibaba (Qwen) · language model
Apr 15, 2026released
Ollamaollama · language model
Jun 26, 2023released
pythiaEleutherAI · language model
Feb 8, 2023released
Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with ByteDance.