Free Inference API
Hugging Face launches a free inference API supporting multiple models, ideal for developers and researchers to quickly test and integrate AI capabilities.
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AI Tools Coupon and Free Credits
A single indexable page for “AI tools coupon”, “free credits”, “free API”, and “trial credits”: compare claim links, limits, China access, and alternatives.
Developer first: free APIs, tokens, credits
Smolagents Release
Hugging Face launched Smolagents, a lightweight open-source AI agent framework. It supports multiple model backends (including Hugging Face Hub models, OpenAI-compatible APIs, etc.), offers code agent and tool-calling agent modes, and includes a built-in code execution sandbox. Ideal for developers to quickly build and deploy AI agent applications.
Moonshot AI Kimi API
月之暗面（Kimi）为新注册开发者提供 500万 token 免费额度，支持长上下文模型，中国大陆直接注册使用，无需海外支付方式。
GPT-4.1 Price Drop
OpenAI announces significant price reduction for GPT-4.1 API, with input price dropping to $2/M tokens and output to $8/M tokens, 26-50% cheaper than GPT-4o, greatly reducing developer costs.
GPT-4.1 Price Drop
OpenAI announced significant price reductions for the GPT-4.1 API series, with prices approximately 50% lower than GPT-4o. The GPT-4.1 nano is the most affordable model, with input pricing starting at $2 per million tokens, greatly reducing developer costs.
GPT-4.1 Release
OpenAI released the GPT-4.1 series, including GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, supporting up to 1 million token context windows with significantly reduced API pricing compared to previous generations, ideal for long-context processing and high-concurrency scenarios.
GPT-4.1 Release
OpenAI released the GPT-4.1 series, including GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, with 1M token context and API input pricing starting at $2 per million tokens.
14-Day Free Trial
New SiliconCloud users get 14-day free trial with 20M tokens, applicable to various model calls.
Non-developer first: AI tool trials and discounts
Image Gen
ChatGPT launched native image generation powered by GPT-4o, available for free users without extra cost.
Gemini 1.5 Flash GA
Google releases the Gemini 1.5 Flash model for developers, offering faster inference and lower latency.
Llama 4 Deploy
Groq added Llama 4 Scout and Llama 4 Maverick, available on free tier.
GPT-4o mini free
OpenAI announces that free ChatGPT users now have limited access to GPT-4o mini, offering a more efficient and cost-effective AI chat experience.
ActivePieces Free Dev Tool
ActivePieces offers a free or open-source option: Open-source version free for self-hosting; cloud version offers free tier. Useful for low-cost developer testing.
LiveKit Agents Free Dev Tool
LiveKit Agents offers a free or open-source option: Open-source framework is free; LiveKit cloud offers 1,000 free minutes/month. Useful for low-cost developer testing.
AI Coding — From Zero to Freelancing
Free AI learning resource on yangmao.ai 原创: AI Coding — From Zero to Freelancing. Good for structured learning.
AI For Everyone Free Course
Free AI learning resource on Coursera: AI For Everyone. Good for structured learning.
FAQ
What is the difference between an AI tools coupon and free credits?
Coupons are usually discount codes or subscription promotions. Free credits are signup tokens, API calls, or trial balances. yangmao.ai tracks both on this page.
How often are these AI coupons updated?
The site refreshes free credits, time-limited offers, and official announcements through automated pipelines plus manual checks. Always verify the final claim page before using an offer.
Which offers are best for users in China?
Prioritize China-friendly entries, OpenAI-compatible APIs, or deals with an openllmapi fallback route.