Seed 1.6
Seed 1.6 is a general-purpose AI model developed by ByteDance Seed. It supports multimodal inputs including text, images, and video, and features adaptive deep thinking capabilities alongside a 262,144-token context window.
Seed 1.6 specs and pricing
- Provider: ByteDance Seed
- Released: December 23, 2025
- Context window: 262K tokens
- Max output: 33K tokens
- Input: images, text, video
- Output: text
- Price: $0.25 input / $2.00 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Seed 1.6 is good at
- Analyzing complex video content
- Reasoning through multi-step technical problems
- Processing large documents and image sets
To-dos to try with Seed 1.6
- Analyze this 30-minute video and summarize the key events in chronological order.
- Read these 50 pages of technical documentation and extract all specific hardware requirements.
- Examine these three product images and compare the design differences in a table.
FAQ
- What types of media can Seed 1.6 process? The model accepts text, images, and video as input types.
- Does Seed 1.6 support reasoning? Yes, the model incorporates adaptive deep thinking capabilities for complex tasks.
- How much does Seed 1.6 cost? Seed 1.6 costs $0.25 per million input tokens and $2.00 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 0.98 credits ($1 = 100 credits).
- What is the context window of Seed 1.6? Seed 1.6 can read up to 262K tokens at once and write up to 33K tokens in one reply.
- Can I use Seed 1.6 without coding? Yes. In todo.is you pick Seed 1.6 as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.