Gemini 2.5 Flash Launch
Google officially launched Gemini 2.5 Flash model with 1M token context window, lower pricing than 2.0 Flash, available in free tier.
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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
Moonshot Kimi API Ne
新注册用户获赠 1500 万 token 免费额度，可用于 Kimi 大模型 API，支持长上下文（128K），国内网络直接使用。
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, approximately 50% cheaper than GPT-4o, offering developers more cost-effective AI capabilities.
GPT-4.1 Price Drop
OpenAI announces significant price reduction for GPT-4.1 API, with input price dropping to $2 per million tokens and output to $8 per million tokens, 26% cheaper than GPT-4o, greatly reducing developer costs.
GPT-4.1 Release
OpenAI launched GPT-4.1 series, including GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, with 1M token context and reduced API pricing.
GPT-4.1 Release
OpenAI officially released the GPT-4.1 series, including GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano. The new series supports up to 1 million token context windows, with significantly reduced API pricing compared to previous generations, offering developers more powerful and cost-effective AI capabilities.
2M Free Tokens
SiliconFlow provides 2M free tokens for new users, supporting multiple models, ideal for developers to get started quickly.
SiliconFlow New User
注册即送 14 元 API 额度，支持 Llama、Qwen、DeepSeek 等多种开源模型，国内网络可直接访问，适合开发者快速测试。
Non-developer first: AI tool trials and discounts
Code Assist Boost
Google significantly increased the Gemini Code Assist free tier from 2,000 to 180,000 code completions per month, supporting VS Code and JetBrains IDEs, providing developers with more powerful AI-assisted coding capabilities.
Groq R1 Model
Groq added DeepSeek R1 model with fast inference, available on free tier.
Groq Llama 4
Groq added Meta Llama 4 Scout and Llama 4 Maverick models, available in free tier.
Codex CLI
OpenAI released Codex CLI, an open-source command-line coding tool that enables AI-assisted coding directly in the terminal, completely free to use.
20M Tokens
SiliconCloud offers 20M free tokens for new users, supporting multiple mainstream models, ideal for developers to quickly start testing.
Zhipu AI New User 1M
新注册用户获赠 100 万 token 免费额度，可用于 GLM-4、GLM-4V 等模型 API 调用，国内直连，支持联网搜索和图像理解。
$2 Coupon
SiliconCloud offers new users a 14 RMB coupon for API calls, valid for 30 days.
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.
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.