1
Also covers browser extension · open source
This list tracks front-end GUI clients for ChatGPT, Claude, and other language models.
Alternatives
The Best altern.ai Alternatives in 2026
10 alternatives0 free · 5 open source
Looking for something like altern.ai? Here are 10 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 5 are open source.
altern.ai catalogs AI tools and agents with curated lists, categories, and alternatives.
Top picks at a glance
First suggestionEvery ChatGPT GUIThis list tracks front-end GUI clients for ChatGPT, Claude…Another optionGPThemesGPThemes customizes the ChatGPT interface in Chrome and…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Every ChatGPT GUI | Paid | Yes | Browser extension |
| 2 | GPThemes | — | Not stated | Android, Browser extension |
| 3 | Awesome ChatGPT | — | Not stated | Browser extension, Linux, macOS |
| 4 | LightSession | — | Yes | Browser extension |
| 5 | Awesome ML | — | Yes | — |
| 6 | ChatGPT Box | — | Yes | — |
| 7 | sindresorhus's Awesome ChatGPT | — | Yes | Android, iOS, macOS |
| 8 | GPT Demo | — | Not stated | Web |
| 9 | PoweredByAI | — | Not stated | Web |
| 10 | awesome-hermes-agent | — | Not stated | — |
All altern.ai alternatives
2
GPThemes
github.com/itsmartashub/GPThemesAlso covers browser extension
GPThemes customizes the ChatGPT interface in Chrome and Firefox with color, font, and design settings.
3
Awesome ChatGPT
github.com/humanloop/awesome-chatgptAlso covers browser extension
Awesome ChatGPT collects tools, demos, and documentation related to ChatGPT and GPT-3.
4
Also covers browser extension · open source
LightSession trims the page structure in long ChatGPT conversations through a Firefox or Chrome extension.
5
Also covers browser extension · open source
This repository collects machine learning resources, including language models, tools, interfaces, and retrieval systems.
6
Also covers browser extension · open source
ChatGPTBox integrates ChatGPT into a browser through an extension with additional site interactions.
7
Also covers browser extension · open source
This repository curates ChatGPT tools, applications, and other resources related to the OpenAI chatbot.
8
GPT Demo
gptdemo.net/gpt/search?cate=&keywords=&lg=en&s…Also covers ai tools · same kind of website
GPT Demo catalogs ChatGPT, generative AI, and GPT applications in searchable categories.
9
PoweredByAI
poweredbyai.appAlso covers ai tools
PoweredByAI catalogs AI tools across categories such as writing, coding, image generation, video, and automation.
10
awesome-hermes-agent
github.com/0xNyk/awesome-hermes-agentAlso covers ai tools
This repository catalogs skills, plugins, memory providers, tools, and guides for Nous Research’s Hermes Agent.
No alternatives match this filter.
Alternatives to similar tools
Every ChatGPT GUI24 alternativesAwesome ML24 alternativesawesome-hermes-agent24 alternativesAwesome ChatGPT15 alternativesChatGPT Box24 alternativessindresorhus's Awesome ChatGPT24 alternatives
What is the best alternative to altern.ai?
Based on features, tags and platforms, the closest alternatives to altern.ai are Every ChatGPT GUI, GPThemes, and Awesome ChatGPT.
Are there open-source alternatives to altern.ai?
Yes: Every ChatGPT GUI, LightSession, Awesome ML, and ChatGPT Box.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative