---
title: "HeFu (@hefu) | Hashnode"
description: "Official account of HeFu (hefu.hk) — one OpenAI-compatible API for 60+ LLMs incl. DeepSeek, Qwen, Kimi, GLM. $0 top-up fees, USD billing. We publish LLM API..."
url: "https://hashnode.com/@hefu"
---

@hefu

# HeFu

@hefu · Hong Kong, China · Joined August 2026

### [How to Try 120+ AI Models Online Before You Pay for an API](https://hefuhk.hashnode.dev/how-to-try-120-ai-models-online-before-you-pay-for-an-api?utm_source=hashnode&utm_medium=feed)

\# How to Try 120+ AI Models Online Before You Pay for an API Choosing an LLM in 2026 is no longer a two-vendor decision. GPT-5.6, Claude Opus 5.5, Gemini 3.5, DeepSeek-V4, Qwen3.8-Max, Kimi K3, GLM-5.

8 min read · [hefuhk.hashnode.dev](https://hefuhk.hashnode.dev/how-to-try-120-ai-models-online-before-you-pay-for-an-api?utm_source=hashnode&utm_medium=feed)

[22h ago](https://hashnode.com/posts/how-to-try-120-ai-models-online-before-you-pay-for-an-api/6af84af0c9ebc03b55d88cfe)

### [How to Add Real-Time Web Search to Your AI App (One API Call, $0.007 Per Search)](https://hefuhk.hashnode.dev/how-to-add-real-time-web-search-to-your-ai-app-one-api-call-0-007-per-search?utm_source=hashnode&utm_medium=feed)

How to Add Real-Time Web Search to Your AI App (HeFu web-search API, $0.007/Search) Retrieval-augmented AI apps live or die on freshness: a coding assistant that quotes last year's pricing, or a suppo

8 min read · [hefuhk.hashnode.dev](https://hefuhk.hashnode.dev/how-to-add-real-time-web-search-to-your-ai-app-one-api-call-0-007-per-search?utm_source=hashnode&utm_medium=feed)

[2d ago](https://hashnode.com/posts/how-to-add-real-time-web-search-to-your-ai-app-one-api-call-0-007-per-search/6af68b0fb4b12e2b3f3b8229)