What is Seed 1.6 API?
Seed 1.6 is available through AIMLAPI.
Technical Specifications
- Supported inputs: Image, Text
- Output: Text
- Context window: 262,144 tokens / Max output: 32,768 tokens
- Endpoint: /chat/completions
Performance Benchmarks
[embed]
Seed 1.6 API Pricing
- Input: $0.325 / 1M tokens
- Output: $2.6 / 1M tokens
Where to Use Seed 1.6
Coding and code review
Generate, debug, and review code across languages, reading whole files or repos in a single prompt.
Agentic and multi-step workflows
Reliable tool-calling and instruction-following suit agent loops that plan, call tools, and iterate.
Complex reasoning
Extended reasoning improves reliability on multi-step math, logic, and technical analysis.
Long-document analysis
Summarize and extract from contracts, papers, and reports without aggressive chunking.
Code Sample
[embed]
Measured on the AI/ML API gateway across live traffic. Figures are medians unless stated. Last updated 2026-10-12.
General-purpose multimodal interaction is documented for Seed 1.6, including adaptive deep thinking, multimodal understanding, GUI-based interaction, and deep reasoning.
It is also documented as suitable for agent backends and agent-based workflows, where tool calling and structured output are highlighted as useful capabilities.
Documented use cases also include long-document analysis and information synthesis, especially in contexts that benefit from its long context handling.
A further documented use is multimodal reasoning tasks that combine screenshots or video frames with text.
import requests r = requests.post( "https://api.aimlapi.com/v1/chat/completions", headers={"Authorization": "Bearer " + AIMLAPI_KEY}, json={ "model": "bytedance-seed/seed-1.6", "messages": [ { "role": "user", "content": "Hello!" } ] }, ) print(r.json())
const r = await fetch("https://api.aimlapi.com/v1/chat/completions", { method: "POST", headers: { Authorization: `Bearer ${process.env.AIMLAPI_KEY}`, "Content-Type": "application/json", }, body: JSON.stringify({ "model": "bytedance-seed/seed-1.6", "messages": [ { "role": "user", "content": "Hello!" } ] }), }); console.log(await r.json());
curl -X POST https://api.aimlapi.com/v1/chat/completions \ -H "Authorization: Bearer $AIMLAPI_KEY" \ -H "Content-Type: application/json" \ -d '{"model":"bytedance-seed/seed-1.6","messages":[{"role":"user","content":"Hello!"}]}'
OpenAI-compatible — swap the base URL and it works with your existing SDK.
| Type | Price |
|---|---|
| Input | |
| Output | |
| Model | Input | Output | Context | Best for |
|---|---|---|---|---|
Seed 1.6 This page | Reasoning + agents | |||
| Reasoning + agents | ||||
| Balanced coding + agents | ||||
| Long-context, multimodal & agentic workflows | ||||
| Reasoning + agents |
Seed 1.6 has a 262,144 tokens context window and can return up to 32,768 tokens.
Seed 1.6 takes image, text as input and returns text.
Use bytedance-seed/seed-1.6 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.
Seed 1.6 is priced at input $0.34385 / 1M tokens, output $2.7508 / 1M tokens.
Yes, Seed 1.6 can stream responses as they are generated.
Yes, Seed 1.6 accepts image input alongside text.
Seed 1.6 was built by ByteDance.
