Seed 1.6 Flash
Seed 1.6 Flash is a multimodal model developed by ByteDance Seed that processes text, images, and video. It is designed for high-speed performance and features built-in reasoning capabilities alongside tool-calling support.
Seed 1.6 Flash 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: $0.075 input / $0.30 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
What Seed 1.6 Flash is good at
- Analyzing complex video content
- Processing large documents with reasoning
- Tasks requiring visual and textual integration
To-dos to try with Seed 1.6 Flash
- Analyze this 10-minute video and summarize the key technical steps shown.
- Read these five research papers and synthesize the common findings into a report.
- Use tool calling to fetch current data and explain how it relates to the provided image.
FAQ
- What types of media can Seed 1.6 Flash process? The model supports input in the form of text, images, and video, and generates text-based outputs.
- Who developed Seed 1.6 Flash? This model was developed by ByteDance Seed.
- How much does Seed 1.6 Flash cost? Seed 1.6 Flash costs $0.075 per million input tokens and $0.30 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 0.25 credits ($1 = 100 credits).
- What is the context window of Seed 1.6 Flash? Seed 1.6 Flash can read up to 262K tokens at once and write up to 33K tokens in one reply.
- Can I use Seed 1.6 Flash without coding? Yes. In todo.is you pick Seed 1.6 Flash 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.