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Cheap OpenAI-Compatible APIs
For moving prototypes into production. Check SDK compatibility, model coverage, reliability, pricing, and relay risk.
Search Intent
Find lower-cost alternatives to OpenAI-compatible APIs.
OpenAI SDK compatibilityModel coverageTransparent pricingFallbacks
Recommended Tools
OpenRouter OpenRouter is an AI model routing platform with unified API access to multiple models.
Some models are completely free, ... SiliconFlow SiliconFlow is a leading Chinese AI inference cloud, offering free APIs for multiple open-source models.
¥14 free credit... DeepSeek DeepSeek is a leading Chinese AI lab offering high-performance open-source LLMs.
April 2026 V4 release: V4-Pro (1.6T par... Groq Groq is known for its custom LPU inference chip, offering the fastest AI inference in the industry.
Free API supports Ll... Together AI Together AI is an open-source model inference platform offering APIs for 200+ models.
$5 free credits on signup, support... Fireworks AI Fireworks AI is a high-performance AI inference platform known for ultra-fast inference and low latency.
Supports Llama,... Qwen (Alibaba) Qwen is Alibaba's LLM series. The latest Qwen3.6-Plus (released April 2, 2026) is the new king of Chinese coding models,... StepFun StepFun is a Chinese AI company. Yuewen assistant is free to use.
Supports chat, image generation, video understanding, ... Google AI (Gemini) Google AI (Gemini) is Google's AI platform offering the Gemini model family.
AI Studio provides completely free API acce... Anyscale Anyscale is the company behind the Ray distributed computing framework, founded by UC Berkeley professor Ion Stoica.
Pro... Baichuan AI Baichuan AI is a Chinese LLM company with open-source Baichuan model series.
Web version is free, API offers 5M tokens o... Cerebras Cerebras uses proprietary WSE (Wafer Scale Engine) chips for the world's fastest inference (2000+ tokens/s).
Free tier: ...
Next Steps
- Open 2-3 tool profiles and compare free quotas and limits.
- Test with real tasks, not just model specs.
- If integrating into a product, check API pricing and access stability.
Related Tasks
FAQ
How do I choose cheap OpenAI compatible API?
Start with free quota, then check whether it matches your intent: Find lower-cost alternatives to OpenAI-compatible APIs.
Are all these tools free?
No. yangmao.ai prioritizes tools with free tiers or free trials, but policies can change on the official site.
Do they require a credit card?
It depends. Prefer tools with free web access, signup credits, or clearly documented no-card trials.