Bytedance Seed: Seed 1.6 Flash
Low-latency ByteDance Seed model for high-throughput chat, extraction, and lightweight tool use
- Model lab
- Bytedance Seed
- Model family
- seed
Quickstart
Use your Moduck API Key, set the API base URL to https://api.moduck.ai/v1, and set the model parameter to moduck/bytedance/seed-1-6-flash.
import os
import requests
base_url = "https://api.moduck.ai/v1"
api_key = os.environ["MODUCK_API_KEY"]
model_id = "moduck/bytedance/seed-1-6-flash"
response = requests.post(
f"{base_url}/chat/completions",
headers={
"Authorization": f"Bearer {api_key}",
"Content-Type": "application/json",
},
json={
"model": model_id,
"messages": [{"role": "user", "content": "Hello!"}],
"stream": False,
},
timeout=60,
)
response.raise_for_status()
print(response.json())Use the familiar OpenAI-style chat request format to make model integration easier.
Seed 1.6 Flash API Pricing
| Type | Price information |
|---|---|
| Input · Base context tier (boundary 32000 tokens) | USD 0.017816 / 1M tokens |
| Output · Base context tier (boundary 32000 tokens) | USD 0.17812 / 1M tokens |
| Cached input · Base context tier (boundary 32000 tokens) | USD 0.00356 / 1M tokens |
Performance
Performance trends
Availability
Seed 1.6 Flash Compare models
| Model | Input price | Output price | Context window | Capabilities |
|---|---|---|---|---|
| Seed 1.6 FlashThis page | USD 0.017816 / 1M tokens · Base context tier (boundary 32000 tokens) | USD 0.17812 / 1M tokens · Base context tier (boundary 32000 tokens) | 256,000 | Text output · Tool calling |
| Seed 1.8 | USD 0.096 / 1M tokens | USD 0.232 / 1M tokens | 256,000 | Text output · Reasoning · Tool calling |
| Seed 1.6 Vision | USD 0.096 / 1M tokens | USD 0.92 / 1M tokens | 256,000 | Text output · Tool calling |
| Seed 2.1 Pro | USD 0.56576 / 1M tokens | USD 2.8288 / 1M tokens | 256,000 | Text output · Reasoning · Tool calling |
| Seed 2.1 Turbo | USD 0.28288 / 1M tokens | USD 1.41568 / 1M tokens | 256,000 | Text output · Reasoning · Tool calling |
Model specifications
- Input
- text, image
- Output
- text
- Context window
- 256,000
- Maximum output
- 32,000
- Release date
- 2025-08-28
- Attachments
- Yes
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- Yes
- Temperature setting
- Yes
- Open weights
- No
Frequently asked questions
What is Seed 1.6 Flash for?
Low-latency ByteDance Seed model for high-throughput chat, extraction, and lightweight tool use
What inputs and outputs does Seed 1.6 Flash support?
Recorded inputs: text, images; outputs: text.
How is Seed 1.6 Flash priced?
The pricing table shows the current recorded Moduck price. For example: Input · Base context tier (boundary 32000 tokens) USD 0.017816 / 1M tokens; Output · Base context tier (boundary 32000 tokens) USD 0.17812 / 1M tokens. See the pricing table for all units, variants, and conditions.
What specifications are recorded for Seed 1.6 Flash?
Current model records list Context window 256,000 tokens; Maximum output 32,000 tokens.
What model parameter does the Quickstart use?
The example uses moduck/bytedance/seed-1-6-flash. This is a cataloged Moduck public or reserved ID; check your account’s available models before calling it.
Can I call this model through the Moduck API now?
This page has no verified Moduck API call for this model. A Quickstart example or reserved ID does not establish access; check the models available to your account.