Seed 1.6 Flash overview
Seed 1.6 Flash specs
- Model ID
bytedance-seed/seed-1.6-flash- 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
Real-time chat applications requiring low-latency responses. Interactive image analysis and visual question answering. High-throughput batch processing of multimodal data. Applications where response time is critical to user experience.
Capabilities
- Function calling
- Reasoning
- Streaming
- Structured outputs
- Web search
Seed 1.6 Flash API pricing
| Usage | Price | Unit |
|---|---|---|
| Input | $0.0794 | 1M tokens |
| Output | $0.3174 | 1M tokens |
Prices from the AI/ML API price list, checked on Nov 4, 2026.
Seed 1.6 Flash vs other models: token prices
AI/ML API input and output rates for 5 models, per million tokens.
| Model | Input | Output |
|---|---|---|
| $0.0794 | $0.3174 | |
| $0.1 | $0.4 | |
| $0.25 | $2 | |
| $0.529 | $2.65 | |
| $0.529 | $3.17 |
How to use the Seed 1.6 Flash API
View docsBuild 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-flash",
"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-flash",
"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-flash",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());Related articles
Seed 1.6 Flash FAQ
What is the context window of Seed 1.6 Flash?
Seed 1.6 Flash has a 262,144 tokens context window and can return up to 32,768 tokens.
What inputs and outputs does Seed 1.6 Flash support?
Seed 1.6 Flash takes image, text as input and returns text.
What is the model ID for Seed 1.6 Flash?
Use bytedance-seed/seed-1.6-flash as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.
How much does Seed 1.6 Flash cost?
Seed 1.6 Flash costs $0.0794 input and $0.3174 output per 1M tokens on AI/ML API, billed as you go with no subscription.
Does Seed 1.6 Flash support streaming?
Yes, Seed 1.6 Flash can stream responses as they are generated.
Can Seed 1.6 Flash read images?
Yes, Seed 1.6 Flash accepts image input alongside text.
Who created Seed 1.6 Flash?
Seed 1.6 Flash was built by ByteDance.

