Seed 1.6 overview
Seed 1.6 specs
- Model ID
bytedance-seed/seed-1.6- Developer
- ByteDance
- Context window
- 262,144 tokens
- Max output
- 32,768 tokens
- Input
- Image, Text
- Output
- Text
- API
- OpenAI-compatible, base URL
https://api.aimlapi.com/v1
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.
Use cases
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.
Capabilities
- Function calling
- Reasoning
- Streaming
- Structured outputs
- Web search
Seed 1.6 API pricing
| Usage | Price | Unit |
|---|---|---|
| Input | $0.2645 | 1M tokens |
| Output | $2.12 | 1M tokens |
Prices from the AI/ML API price list, checked on Nov 4, 2026.
Seed 1.6 vs other models: token prices
AI/ML API input and output rates for 5 models, per million tokens.
| Model | Input | Output |
|---|---|---|
 Seed 1.6 | $0.2645 | $2.12 |
| Dola-Seed 2.0 Mini | $0.1 | $0.4 |
| Dola-Seed 2.0 Lite | $0.25 | $2 |
| Seed 2.1 Turbo | $0.529 | $2.65 |
| Seed 2.0 Code | $0.529 | $3.17 |
How to use the Seed 1.6 API
View docs
Build with your agent
Give your agent the model details, code and documentation.
1Get your API key
Create API keyexport AIMLAPI_KEY="8f2b4c7d9a1e6b3f…"2Make your first request
curl '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": "Write a haiku about the ocean."
}
]
}'import os
import requests
headers = {
"Authorization": f"Bearer {os.environ['AIMLAPI_KEY']}",
"Content-Type": "application/json",
}
payload = {
"model": "bytedance-seed/seed-1.6",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}
response = requests.post("https://api.aimlapi.com/v1/chat/completions", headers=headers, json=payload, timeout=120)
response.raise_for_status()
print(response.json())const response = 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": "Write a haiku about the ocean."
}
]
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());Models similar to Seed 1.6
Related articles
Seed 1.6 FAQ
What is the context window of Seed 1.6?
Seed 1.6 has a 262,144 tokens context window and can return up to 32,768 tokens.
What inputs and outputs does Seed 1.6 support?
Seed 1.6 takes image, text as input and returns text.
What is the model ID for Seed 1.6?
Use bytedance-seed/seed-1.6 as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.
How much does Seed 1.6 cost?
Seed 1.6 costs $0.2645 input and $2.12 output per 1M tokens on AI/ML API, billed as you go with no subscription.
Does Seed 1.6 support streaming?
Yes, Seed 1.6 can stream responses as they are generated.
Can Seed 1.6 read images?
Yes, Seed 1.6 accepts image input alongside text.
Who created Seed 1.6?
Seed 1.6 was built by ByteDance.