Seed 1.6 Flash
Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding.
Model by ByteDance Seed
Install
Pick your client. Read the repository before you give any tool access to your data.
{
"model": "bytedance-seed/seed-1.6-flash",
"baseURL": "https://openrouter.ai/api/v1"
}OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.
Settings it needs
OPENROUTER_API_KEYrequiredsecret
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About
Use cases: model-inference
Reviews
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Price and limits
| Variant | Input $/M tokens | Output $/M tokens | Cached input $/M |
|---|---|---|---|
| Standard | $0.075 | $0.3 | — |
Price as of Oct 26, 2026 from OpenRouter. Prices change often; check before you rely on one.
- Provider
- ByteDance Seed
- Model id
bytedance-seed/seed-1.6-flash- Context window
- 262,144 tokens (262K)
- Max output
- 32,768 tokens
- Input
- image, text, video
- Output
- text
- Tool calling
- Yes
- Structured outputs
- Yes
- Reasoning
- Yes
- Weights
- Closed
- Released
- Dec 23, 2025
- Retires
- Nov 11, 2026
Details
- Auth
- API key
- License
- Proprietary
- Website
- seed.bytedance.com
- First seen
- Oct 24, 2026
- Last checked
- Oct 26, 2026
- Source
- OpenRouter
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Cite this page
Seed 1.6 Flash: price, context window, tool use. Agent Mart. https://agentmart.dev/models/bytedance-seed-seed-1-6-flash (last updated 2026-10-26)