Dola-Seed 2.0 Pro API

bytedance/dola-seed-2-0-pro
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.
Context
256K tokens
Input
$0.65 / 1M tokens
Output
$3.9 / 1M tokens
Released
Apr 24, 2026

Overview

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

DeveloperByteDance
Model IDbytedance/dola-seed-2-0-pro
Release DateApril 23, 2026
Context Window256,000 tokens (~256K)
Max Output Tokens128,000 tokens
ModalitiesImage, Text, Video → Text
Capabilitiesparallel 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.”

API Pricing

  • Input: $0.65 / 1M tokens
  • Output: $3.9 / 1M tokens
  • Cached input: $0.13 / 1M tokens

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/

Uptime and performance

  • Uptime (7d): 100%

Measured on the AI/ML API gateway across live traffic. Figures are medians unless stated. Last updated 2026-10-12.

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.

How to use Dola-Seed 2.0 Pro API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to bytedance/dola-seed-2-0-pro.
import requests

r = requests.post(
    "https://api.aimlapi.com/v1/chat/completions",
    headers={"Authorization": "Bearer " + AIMLAPI_KEY},
    json={
      "model": "bytedance/dola-seed-2-0-pro",
      "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/dola-seed-2-0-pro",
    "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/dola-seed-2-0-pro","messages":[{"role":"user","content":"Hello!"}]}'

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Dola-Seed 2.0 Pro API Pricing

TypePrice
Input
$0.65 / 1M tokens
Output
$3.9 / 1M tokens
Cached input
$0.13 / 1M tokens

The model’s documented pricing caveat is that prompt cache writes are not separately charged for Dola Seed 2.0 Pro.

Dola-Seed 2.0 Pro vs other models

ModelInputOutputContextBest for
$0.65 / 1M tokens
$3.9 / 1M tokens
256K tokens
Multimodal reasoning
$0.65 / 1M tokens
$3.9 / 1M tokens
256K tokens
Reasoning + agents
$0.13 / 1M tokens
$0.52 / 1M tokens
256K tokens
Reasoning + agents
$0.325 / 1M tokens
$2.6 / 1M tokens
256K tokens
Reasoning + agents

Frequently asked questions

Dola-Seed 2.0 Pro has a 256,000 tokens context window and can return up to 128,000 tokens.

Dola-Seed 2.0 Pro takes image, text, video as input and returns text.

Use bytedance/dola-seed-2-0-pro as the model id. Requests go to https://api.aimlapi.com/v1/chat/completions.

Dola-Seed 2.0 Pro became available on April 24, 2026.

Dola-Seed 2.0 Pro is priced at input $0.65 / 1M tokens, output $3.9 / 1M tokens, cached input $0.13 / 1M tokens.

Yes, Dola-Seed 2.0 Pro can stream responses as they are generated.

Yes, Dola-Seed 2.0 Pro accepts image input alongside text.

Dola-Seed 2.0 Pro was built by ByteDance.

Yes, it supports tool calling, including parallel tool calls.

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