Doubao (ByteDance)

🇨🇳 China ✅ Free

Doubao is ByteDance's AI assistant with the new Seed 2.0 series. Four versions: Mini (ultra-cheap ¥0.3/M), Lite (balanced), Pro (flagship), Code (coding-focused). Mini at ¥0.3/M tokens is among the cheapest on the market, almost free. Full-featured free version, API available via Volcengine.

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Free tier API pricing No credit card China access Open-source alt Provider alternatives Alternatives

🎁 Free Tier

Daily Limit: No explicit limit

Model	Context	Limit	Notes
Seed 2.0 Pro	`128k`	`Fair use`	Flagship all-rounder, close to DeepSeek V3
Seed 2.0 Code	`128k`	`Fair use`	Coding-focused, surpasses DeepSeek V3 in coding
Seed 2.0 Mini	`128k`	`Fair use`	Ultra-fast and cheap, ¥0.3/M tokens, almost free
Seed 2.0 Lite	`128k`	`Fair use`	Balanced version, good value

🔑 Free API

Free Credits: 50万 tokens

Rate Limit: 5 RPM

Free credits via Volcengine. Seed 2.0 Mini at ¥0.3/M tokens is almost free.

ChatImageVideoCoding llmchatimagevideocodingcheap

Free API Topic Hubs

AI Opportunity Library What you can build with these free AI tools, how to ship an MVP, and how to monetize. Explore ideas → Free AI API directory Compare DeepSeek, Qwen, Grok, GLM, Hunyuan, Groq, and Cloudflare Workers AI free credits. Open hub → API relay and OpenAI-compatible endpoints Relay options, free models, China-access notes, and SDK-compatible setups. View guide → FreeLLMAPI GitHub guide Open-source free LLM API aggregation, alternatives, and setup notes. Read guide →

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