g4f

GPT4 for free, No API key, no auth required.
v1.4.6 URL: https://unpkg.com/g4f@1.4.6/dist/index.js
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gpt4freegpt-freefree-gptgptgpt-3gpt-3.5gpt-4bingdallestable-diffusionaicompletionchat completion

@gpt4free/g4f.dev

Use the official GPT4Free.js client right in the browser—no backend needed
v1.0.5 URL: https://unpkg.com/@gpt4free/g4f.dev@1.0.5/dist/js/client.js
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gpt4freegpt4free.jsg4fg4f.devjavascriptnpmbrowsergptchatgptopenaiaiclientsdkfreeaigpt-4gpt-4ochatapibrowseraiaijsclienttextgenerationimagegenerationin-browseraifrontendaiopenaialternativejavascriptailibrarynodejspromptengineeringchatbotaiintegration

gpt4js

Using ChatGPT4/3.5-turbo/Gemini-Pro/BlackBox and etc. unlimited and free.
v1.7.8 URL: https://unpkg.com/gpt4js@1.7.8/index.cjs
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nodejsbungpt-3gpt-4chatgptgpt4freeollamaollama-apigeminiblackboxjavascriptaichatbotnlpmachine-learning

@paxsenix/ai

A lightweight and intuitive Node.js client for the Paxsenix AI API.
v0.1.4 URL: https://unpkg.com/@paxsenix/ai@0.1.4/cjs/index.cjs
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free aiaipaxsenixchatbotopenaillamaclaudechat-aichatgptgeminiqwenmistralllamagptapiclientnodejsjavascriptgpt-3gpt-4gpt4freechatbotnlpmachine-learning

gpt4free-client

A powerful Node.js script to communicate with big text AI models (like gpt4 or OpenChat)
v2.0.7 URL: https://unpkg.com/gpt4free-client@2.0.7/src/index.js
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openai.jsgpt.jsopenchat.jsai.jsgptgpt4g4fgpt4freeopenaigpt3.5gpt-clientBigAiAiBrainopenchatai