Dola-Seed 2.0 Pro overview
Dola-Seed 2.0 Pro by ByteDance
Dola-Seed 2.0 Pro is ByteDance's model from the Seed 2.0 series, built for long-chain reasoning and complex, real-world tasks.
Dola-Seed 2.0 Pro specs
- Model ID
bytedance/dola-seed-2-0-pro- Developer
- ByteDance
- Context window
- 256,000 tokens
- Max output
- 128,000 tokens
- Input
- Image, Text, Video
- Output
- Text
- API
- OpenAI-compatible, base URL
https://api.aimlapi.com/v1
What Is Dola-Seed 2.0 Pro API?
Dola Seed 2.0 Pro is listed by BytePlus as a ByteDance model, with the model name shown as “Dola Seed 2.0 pro.” The official ByteDance Seed site also refers to Seed2.0 Pro as part of the Seed2.0 series and says the Seed2.0 Pro and Code models have been launched on the Doubao App and TRAE, with the model API for the Seed2.0 full series available on Volcano Engine.
ByteDance’s Seed2.0 page describes the Seed2.0 line as focusing on long-chain reasoning and robustness in complex workflows, and says it is optimized for complex scenarios in real-world tasks.
Technical Reference
| Developer | ByteDance |
|---|---|
| Model ID | bytedance/dola-seed-2-0-pro |
| Release Date | April 23, 2026 |
| Context Window | 256,000 tokens (~256K) |
| Max Output Tokens | 128,000 tokens |
| Modalities | Image, Text, Video → Text |
| Capabilities | parallel tool calls, reasoning, streaming, tool/function calling, vision |
What Dola-Seed 2.0 Pro Brings to the Table
Model family placement
ByteDance presents Seed2.0 Pro as part of the Seed2.0 series and as one of the models launched in that series.
Official availability
The Seed2.0 Pro model is described as being available on the Doubao App and TRAE, with API access for the Seed2.0 full series on Volcano Engine.
Reasoning focus
ByteDance’s Seed2.0 description emphasizes long-chain reasoning and robustness in complex workflows.
Official model listing
BytePlus AI’s models page includes an entry for “Dola Seed 2.0 pro.”
Where Dola-Seed 2.0 Pro Makes the Most Sense
Complex workflows
Suitable for tasks involving long-chain reasoning and robustness across multi-step workflows.
Real-world task handling
Positioned for complex scenarios in real-world tasks according to ByteDance’s Seed2.0 description.
Productivity on ByteDance apps
Available on Doubao App and TRAE, indicating use in ByteDance’s own product ecosystem.
API-based integration
Available through the Seed2.0 full-series API on Volcano Engine for external integration.
Dola-Seed 2.0 Pro vs the Alternatives
Seed2.0 Code
ByteDance’s launch note groups Seed2.0 Pro with Seed2.0 Code as another model in the Seed2.0 series.
Sources: https://seed.bytedance.com/en/seed2 · https://intelligence-artificielle.com/decouvrez-dola-seed-2-0-pro-bytedance/ · https://dolaseed.pro/
Use cases
Dola-Seed 2.0 Pro is documented as suited for complex, multi-step enterprise workflows, including tool calling, workflow execution across enterprise systems, and agentic task completion. It is also described for daily office automation, deep web research, in-depth report drafting, and financial analysis.
The model is further documented for content moderation and physical inspection workflows, where it can combine reasoning with visual understanding and action-taking. Another stated use case is video creation workflows, including scenarios that involve image and video understanding.
Capabilities
- Reasoning
- Streaming
- Vision
Dola-Seed 2.0 Pro API pricing
| Usage | Price | Unit |
|---|---|---|
| Input | $0.5 | 1M tokens |
| Output | $3 | 1M tokens |
| Cached input | $0.1 | 1M tokens |
Prices from the AI/ML API price list, checked on Nov 4, 2026.
Dola-Seed 2.0 Pro vs other models: token prices
AI/ML API input and output rates for 5 models, per million tokens.
| Model | Input | Output |
|---|---|---|
| $0.5 | $3 | |
| $0.1 | $0.4 | |
| $0.25 | $2 | |
| $0.529 | $2.65 | |
| $0.529 | $3.17 |
How to use the Dola-Seed 2.0 Pro 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/dola-seed-2-0-pro",
"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/dola-seed-2-0-pro",
"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/dola-seed-2-0-pro",
"messages": [
{
"role": "user",
"content": "Write a haiku about the ocean."
}
]
}),
});
if (!response.ok) throw new Error(`HTTP ${response.status}`);
console.log(await response.json());Dola-Seed 2.0 Pro FAQ
What is the context window of Dola-Seed 2.0 Pro?
Dola-Seed 2.0 Pro has a 256,000 tokens context window and can return up to 128,000 tokens.
What inputs and outputs does Dola-Seed 2.0 Pro support?
Dola-Seed 2.0 Pro takes image, text, video as input and returns text.
What is the model ID for Dola-Seed 2.0 Pro?
Use bytedance/dola-seed-2-0-pro as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.
When was Dola-Seed 2.0 Pro released?
Dola-Seed 2.0 Pro became available on April 24, 2026.
How much does Dola-Seed 2.0 Pro cost?
Dola-Seed 2.0 Pro costs $0.5 input and $3 output per 1M tokens on AI/ML API, billed as you go with no subscription.
Does Dola-Seed 2.0 Pro support streaming?
Yes, Dola-Seed 2.0 Pro can stream responses as they are generated.
Can Dola-Seed 2.0 Pro read images?
Yes, Dola-Seed 2.0 Pro accepts image input alongside text.
Who created Dola-Seed 2.0 Pro?
Dola-Seed 2.0 Pro was built by ByteDance.
Does Dola-Seed 2.0 Pro support tool or function calling?
Yes, it supports tool calling, including parallel tool calls.