Volcengine Ark (Doubao) gateway details

Volcengine's LLM service platform, offering Doubao text, vision, and other model APIs; ideal for apps focused on Chinese scenarios, low cost, and high concurrency.

Small amounts
Trial first

Overview

Volcengine's LLM service platform, offering Doubao text, vision, and other model APIs; ideal for apps focused on Chinese scenarios, low cost, and high concurrency.

Best for: For Chinese apps, content production, and high-concurrency low-cost inference scenarios.

Availability and latency

Current status
Test yourself
Latency reference
Depends on your deployment
/models check
See the platform docs
Last verified
Not verified yet
Status notes
Test plain responses, streaming, error codes, and rate limits yourself before launch.

Supported models

Doubao

Pricing and multipliers

Pricing mode
Billed by Volcengine account and model usage; prices vary widely across Doubao models.
Price tags
Low cost, High stability, Pay-as-you-go
Free quota
Per the Volcengine Ark console and promotions.

Payment methods

Cloud accountCredit card

How to call the API

Usually you create an API key in the platform console, then replace the SDK's baseURL, model name, and auth details per the docs. Test streaming, function calling, error codes, and rate limits before launch.

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.AI_GATEWAY_API_KEY,
  baseURL: "see the platform docs"
});

const response = await client.chat.completions.create({
  model: "Doubao",
  messages: [{ role: "user", content: "Test one call through an AI gateway." }]
});

Pros

  • Supported models: Doubao.
  • Capabilities: OpenAI-compatible, Streaming, Function calling, Image generation, Balance query, Log query.
  • Documentation completeness: High; editorial stability score 4.4 / 5.

Cons

  • Mainly covers Doubao and Volcengine-ecosystem models; cross-provider routing needs separate design.
  • Third-party relay pricing, models, and availability can change, so re-check them periodically.

Alternatives

302.AI

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A tool and API aggregation platform covering text, image, video, and audio AI capabilities; ideal for individuals and small teams wanting one-stop access to many models.

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Payment
Credit card, Free trial
Price
Billed per tool or model usage; the site lists separate prices per model.

OhMyGPT

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AggregatorPrepaidLow cost

A common API relay service among Chinese users; the site highlights aggregation of OpenAI, Claude, and Gemini plus multiple top-up methods.

Models
OpenAI, Claude, Gemini, DeepSeek, Grok, Qwen and more
Payment
Alipay, WeChat, USDT, PayPal, Stripe, Free trial
Price
Pay-as-you-go after top-up; the site lists per-model token prices.

LiteLLM Proxy

Details
Self-hostedHigh stability

An open-source LLM gateway/proxy layer that unifies many providers into an OpenAI-style interface; ideal for teams that want to self-host a relay and control their own keys and logs.

Models
OpenAI, Claude, Gemini, DeepSeek, Grok, Qwen and more
Payment
Self-hosted
Price
Open-source and self-hosted; cost comes from servers and the underlying model providers.

FAQ

Is Volcengine Ark (Doubao) compatible with the OpenAI API?
This entry is marked as supporting the OpenAI-compatible format, but the exact base_url, model names, and parameters still follow the official docs.
Is Volcengine Ark (Doubao) ready for production?
Run a small-traffic load test, rate-limit test, and error-code test first, and confirm the billing rules; keep a backup provider for important workloads.

Risk

Risk notice

This site only organizes information about AI API relay services; it makes no guarantee about third-party platforms' stability, price, data security, or availability. Judge the risk yourself before use, and avoid uploading sensitive data, personal privacy, trade secrets, or core API keys to unknown platforms.