1
Also covers ai chat · open source · free
Odysseus provides a self hosted AI workspace with chat, agents, tools, model serving, email, and research.
Alternatives
The Best Thena Alternatives in 2026
24 alternatives2 free · 6 open source
Looking for something like Thena? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 6 are open source.
Thena provides customer-support ticketing and AI chat for B2B teams across Slack, email, and web chat.
Top picks at a glance
First suggestionOdysseusOdysseus provides a self hosted AI workspace with chat…Another optionMicrosoft CopilotMicrosoft Copilot provides AI chat for answering questions…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Odysseus | Free | Yes | Web |
| 2 | Microsoft Copilot | — | Not stated | Web |
| 3 | 4thWall AI | — | Not stated | Web |
| 4 | ChatSonic | — | Not stated | Web |
| 5 | Mendable | — | Not stated | Web |
| 6 | ChatPDF | — | Not stated | Web |
| 7 | ChatHelp.ai | — | Not stated | Web |
| 8 | PyGPT | — | Not stated | Linux, macOS, Web |
| 9 | Chatbox | — | Not stated | Android, iOS, Web |
| 10 | Urv AI Chat | — | Not stated | Web |
All Thena alternatives
2
Also covers ai chat · same kind of website
Microsoft Copilot provides AI chat for answering questions, writing, image creation, work tasks, and coding.
3
4thWall AI
beta.4wall.aiAlso covers ai chat · same kind of website
4thWall AI provides an interactive chat platform for conversations with AI characters.
4
ChatSonic
writesonic.com/chatAlso covers ai chat · same kind of website
ChatSonic combines AI chat with marketing workflows, research, and connected tools.
5
Mendable
mendable.aiAlso covers ai chat
Mendable helps developers build AI chat applications by ingesting technical content and deploying answers with a line of code.
6
ChatPDF
chatpdf.comAlso covers ai chat
ChatPDF brings ChatGPT-style intelligence and PDF AI technology together for smarter document understanding. Summarize, chat, and analyze.
7
ChatHelp.ai
chathelp.aiAlso covers ai chat
ChatHelp.ai offers a business, work, and study assistant, a website chat widget, and curated AI tools and agents.
8
PyGPT
pygpt.netAlso covers ai chat
PyGPT provides an open-source desktop AI assistant for chat, agent building, and retrieval-augmented knowledge access.
9
Chatbox
chatboxai.appAlso covers ai chat
Chatbox brings several AI models into one app for chat and work using user supplied API keys.
10
Urv AI Chat
perchance.org/urv-ai-chatAlso covers ai chat
URV AI offers chat with language models, character creation, and image generation.
11
Also covers ai chat · free
Woozlit offers free AI chat and image generation tools through its online service.
12
Merlin
getmerlin.inAlso covers ai chat
Merlin offers an AI chat interface for accessing models such as ChatGPT and Gemini to research, write, code, and create images.
13
Also covers ai chat · open source
NextChat is an AI chat assistant client that supports named language models and is available on web and several desktop and mobile platforms.
14
Also covers ai chat · open source
chatbot-ui provides an AI chat interface for working with different models.
15
Onyx
github.com/onyx-dot-app/onyxAlso covers ai chat
Onyx provides open-source AI chat that can work with different language models.
16
Also covers channel
Q is an approved Slack app powered by OpenAI, with chat access in channels and direct messages plus search plugins.
17
Also covers ai chat · open source
Enclave explores a virtual world for AI companionship and social interaction.
18
Also covers ai chat · open source
SillyTavern is a frontend for users working with large language models.
19
Also covers ai chat · open source
GPT4All runs language models locally on a range of devices through open-source software.
20
PolyAI
poly.aiAlso covers channel
PolyAI provides an enterprise platform for building, deploying, and iterating conversational agents across customer service channels.
21
Droxy
droxy.aiAlso covers channel
Droxy provides customer interaction tools across channels to help businesses handle conversations and sales opportunities.
22
CoSupport AI
cosupport.aiSame kind of website
CoSupport AI learns from help content and past tickets to resolve customer inquiries and draft responses across chat, email, and voice.
23
Hoop
hoop.appSame kind of website
Hoop captures commitments from email, Slack, and meetings, keeps task context, and helps teams follow up.
24
Sauna
sauna.aiSame kind of website
Sauna researches, follows up, and builds apps using a team’s existing tools, including web, Slack, and iMessage.
No alternatives match this filter.
Alternatives to similar tools
Microsoft Copilot24 alternativesSource code24 alternativesChatGPT-Next-Web24 alternativesChatbox24 alternativesOdysseus24 alternativesChatPDF24 alternatives
What is the best alternative to Thena?
Based on features, tags and platforms, the closest alternatives to Thena are Odysseus, Microsoft Copilot, and 4thWall AI.
Is there a free alternative to Thena?
Yes. Odysseus and Woozlit are free or offer a free plan.
Are there open-source alternatives to Thena?
Yes: Odysseus, ChatGPT-Next-Web, Source code, and Enclave.
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