Dola-Seed 2.0 Mini API

bytedance/seed-2-0-mini
Dola-Seed 2.0 Mini is ByteDance's lightest, most cost-efficient model in the Seed 2.0 family, engineered for high-throughput batch workloads where speed and affordability matter more than frontier reasoning.
Context
256K tokens
Input
$0.1 / 1M tokens
Output
$0.4 / 1M tokens
Released
Apr 24, 2026

Overview

Understanding Dola-Seed 2.0 Mini

Dola-Seed 2.0 Mini, also referred to as Doubao-Seed-2.0-Mini internally, is the smallest and cheapest model in ByteDance's second-generation Seed 2.0 foundation model series. Where its siblings focus on frontier reasoning (Pro) and balanced production workloads (Lite), Mini was purpose-built for one thing: throughput at volume, with a price that removes the hesitation of scale.

Seed 2.0 Mini is what you reach for when you need to run a million documents through a model, process content at the edge, or build a product where AI is deeply embedded in every interaction. It's not the most capable model on the leaderboard. It's the one that makes the invoice feel manageable.

API Pricing

  • Input: $0.13
  • Output:  $0.52

Where Mini Sits in the Seed 2.0 Lineup

ByteDance doesn't sell a single model, it ships four distinct variants built on the same foundation, each carved out for a specific tier of use:

🧠
Seed 2.0 Pro
Frontier Reasoning
Deep research, complex agents, IMO-level math, and competitive programming. The highest benchmarks in the family.
⚖️
Seed 2.0 Lite
Balanced Production
Near-Pro performance on everyday tasks at notably lower cost. Best for general development and document workflows.
You are here
⚡
Seed 2.0 Mini
High-Throughput Batch
Fastest, cheapest. Maximum tokens per dollar. Designed for scale, edge deployment, and cost-constrained pipelines.
💻
Seed 2.0 Code
Software Development
Fine-tuned on 2× coding data. Best for code generation, debugging, and PR reviews in developer tooling.

Technical Specifications

Seed 2.0 Mini is a heavily distilled version of the Pro model. The distillation process narrows the architecture, removing attention heads and reducing layer count, specifically to minimize inference latency and operating cost. Here are the key specs as of the February 2026 release:

Specification Value Notes
Model ID seed-2-0-mini-260215 Date suffix = release version
Context Window 32,000 tokens Optimized for short-to-medium tasks
Multimodal Support Text + Image Inherited from Seed 2.0 backbone
Architecture Distilled from Seed 2.0 Pro Fewer attention heads, reduced layers
Tool Calling Supported Compatible with agent frameworks
API Compatibility OpenAI-compatible Minimal migration effort
Deployment Cloud-only Via Volcano Engine / BytePlus ModelArk
Release Date February 14, 2026 First in series live on BytePlus

Mini's 32K window is smaller than Pro's 256K or Lite's 256K — a deliberate trade-off. For batch classification, content moderation, summarization, or any task involving documents that fit within 32K tokens, this is more than sufficient. Tasks requiring very long context should use Lite or Pro instead.

Strengths, Limitations, and Who It's Right For

✓ Where Mini Wins

  • Industry-leading price-per-token for a multimodal model with tool-calling support
  • Inherits the Seed 2.0 backbone — prompt patterns port reliably across the family
  • OpenAI-compatible API means low migration friction for teams currently on GPT
  • Officially the first Seed 2.0 model live on the BytePlus international platform
  • Consistent behavior at scale — distillation-first design minimizes unexpected outputs on in-distribution tasks
  • Image understanding inherited from multimodal Seed 2.0 architecture

✗ Real Limitations

  • 32K context window is a hard ceiling — unsuitable for long-document tasks
  • No local deployment option; cloud-only inference means data leaves your environment
  • Direct Volcengine access requires Chinese phone number and ID — international teams need BytePlus or third-party providers
  • Weak brand recognition outside Chinese markets — not a "Powered by" statement for Western products
  • Hallucination control trails GPT-5.2 and Claude Opus 4.5 in accuracy-critical domains
  • Complex multi-step reasoning degrades noticeably vs. Pro — not a substitute where accuracy compounds

Frequently Asked Questions

Is Dola-Seed 2.0 Mini the same as Doubao-Seed-2.0-Mini?

Yes. "Dola" is the international branding for ByteDance's AI products, while "Doubao" is the domestic Chinese branding. They refer to the same underlying models from the same Seed research team. "Dola-Seed 2.0 Mini" and "Doubao-Seed-2.0-Mini" are the same model — the naming depends on which market or platform you're accessing it through.

How does Seed 2.0 Mini compare to GPT-4o Mini?

Seed 2.0 Mini is positioned at a significantly lower price point than GPT-4o Mini, roughly 2× cheaper on input and output based on published rates as of April 2026. In terms of capability, both models are designed for high-throughput, cost-sensitive tasks rather than frontier reasoning. Seed 2.0 Mini has multimodal support and tool-calling, but GPT-4o Mini benefits from broader ecosystem tooling, wider developer familiarity, and strong English-language performance. For teams already on the OpenAI ecosystem, the switching cost is low, but validate on your specific workload first.

Does Seed 2.0 Mini support video input?

The broader Seed 2.0 family supports text, image, and video inputs — but Mini's multimodal capabilities are focused primarily on text and image understanding. For video analysis tasks, the Pro model with its leading VideoMME scores is the appropriate choice.

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 Mini is documented as suited for high-concurrency, batch-generation workloads where speed and deployment density matter. It is also suited for latency-sensitive, cost-sensitive, and lightweight tasks that prioritize fast response over peak capability.

It is documented for multimodal understanding, including accepting text, images, and video as input. It is also described as suitable for video analysis and document processing in high-volume API pipelines.

How to use Dola-Seed 2.0 Mini API

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

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

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

Dola-Seed 2.0 Mini API Pricing

TypePrice
Input
$0.1 / 1M tokens
Output
$0.4 / 1M tokens
Cached input
$0.02 / 1M tokens

Dola-Seed 2.0 Mini Benchmarks

BenchmarkScoreWhat it measuresSourceRetrieved
AIME 2025
87.0
Competition mathematics (AIME), 2025SourceSeptember 21, 2026
GPQA Diamond
79.0
Google-proof graduate science questions (hardest subset)SourceSeptember 21, 2026
MMLU-Pro
83.6
Multi-discipline knowledge + reasoning (harder MMLU)SourceSeptember 21, 2026
LiveCodeBench
64.1
Contamination-free competitive programming problemsSourceSeptember 21, 2026
SWE-bench Verified
67.9
Resolving verified real GitHub issuesSourceSeptember 21, 2026

Dola-Seed 2.0 Mini vs other models

ModelInputOutputContextBest for
$0.1 / 1M tokens
$0.4 / 1M tokens
256K tokens
Reasoning + agents
$5 / 1M tokens
$30 / 1M tokens
1M tokens
Reasoning + agents
$2 / 1M tokens
$10 / 1M tokens
1M tokens
Balanced coding + agents
$3 / 1M tokens
$15 / 1M tokens
1M tokens
Long-context, multimodal & agentic workflows
$1.5 / 1M tokens
$9 / 1M tokens
1M tokens
Reasoning + agents

Frequently asked questions

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

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

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

Dola-Seed 2.0 Mini is priced at input $0.13 / 1M tokens, output $0.52 / 1M tokens, cached input $0.026 / 1M tokens.

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

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

Dola-Seed 2.0 Mini was built by ByteDance.

Yes. It supports function calling, parallel tool calls, and the Tools feature.

Send requests to https://api.aimlapi.com/v1/chat/completions using the model id bytedance/seed-2-0-mini.

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