1
Petals
petals.devAlso covers llm · same kind of online tool
Petals runs large language models at home through a BitTorrent-style approach and supports text generation and fine-tuning.
Alternatives
The Best Solar Alternatives in 2026
24 alternatives1 free · 7 open source
Looking for something like Solar? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 7 are open source.
Solar lets users try Upstage language and document AI tools in a browser, including chat, document parsing, OCR, and file questions.
Top picks at a glance
First suggestionPetalsPetals runs large language models at home through a…Free or freemium optionTidioTidio combines AI customer service chat with tools for…Open source optionGenerative AI DocsTextFX is a deprecated AI experiment from Google Creative…Another optionPrivate GPTConnect your own data sources to a private AI powered tool…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Petals | — | Not stated | Web |
| 2 | Private GPT | — | Not stated | Web |
| 3 | Inception | — | Not stated | Web |
| 4 | ChatGLM2-6B | — | Not stated | — |
| 5 | llamafile | — | Not stated | — |
| 6 | Generative AI Docs | — | Yes | — |
| 7 | LLM-API-Key-Proxy | — | Not stated | — |
| 8 | Silly Tavern | — | Yes | — |
| 9 | Autonomous HR Chatbot | — | Yes | Windows |
| 10 | KoboldAI | — | Not stated | Linux, Web, Windows |
All Solar alternatives
2
Private GPT
privategpt.ioAlso covers llm · same kind of online tool
Connect your own data sources to a private AI powered tool and start asking in natural language.
3
Inception
chat.inceptionlabs.aiAlso covers llm
Inception Chat provides conversation with Mercury, a commercial diffusion language model.
4
ChatGLM2-6B
github.com/zai-org/ChatGLM2-6BAlso covers llm
This bilingual chat language model is described in English and Chinese on the ChatGLM2-6B repository page.
5
llamafile
github.com/Mozilla-Ocho/llamafileAlso covers llm
llamafile packages language models so they can be distributed and run as a single file.
6
Also covers llm · open source
TextFX is a deprecated AI experiment from Google Creative Lab for exploring language and text.
7
LLM-API-Key-Proxy
github.com/Mirrowel/LLM-API-Key-ProxyAlso covers llm
LLM-API-Key-Proxy provides a gateway for multiple language model APIs, with compatible endpoints and provider translation.
8
Also covers llm · open source
SillyTavern is a frontend for users working with large language models.
9
Also covers llm · open source
This HR chatbot answers user questions with tools through an autonomous agent workflow.
10
KoboldAI
koboldai.comAlso covers llm · same kind of online tool
KoboldAI provides local AI tools, including an API server, a lightweight interface, and a hosted service.
11
Owlbot
owlbot.aiAlso covers llm · same kind of online tool
Owlbot lets companies create AI chatbots and workflows trained on their business information.
12
LLMStack
llmstack.aiAlso covers llm · same kind of online tool
LLMStack lets users build generative AI apps, chatbots, and agents with data through a no-code platform.
13
Also covers llm · open source
KoboldCpp runs GGUF models through a KoboldAI interface in a single-file application.
14
Open Webui
github.com/open-webui/open-webuiAlso covers llm
Open WebUI provides an interface for using AI models, including Ollama and the OpenAI API.
15
Also covers llm · open source
This project describes serving an LLM as a chatbot service through a multi-agent framework.
16
Also covers llm · open source
RasaGPT is the first headless LLM chatbot platform built on top of Rasa and Langchain.
17
Also covers llm · open source
Ollama helps users run and work with open models through a local AI tool.
18
Same kind of online tool · free plan
Tidio combines AI customer service chat with tools for handling conversations and routing support questions.
19
Urv AI Chat
perchance.org/urv-ai-chatSame kind of online tool
URV AI offers chat with language models, character creation, and image generation.
20
DeepSeek
deepseek.comSame kind of online tool
DeepSeek provides an AI chat app and API access to its language models.
21
ChatGPT
chatgpt.comSame kind of online tool
ChatGPT supports questions, writing, image creation, work tasks, and coding through chat.
22
Microsoft Copilot provides AI chat for answering questions, writing, image creation, work tasks, and coding.
23
Question Base
questionbase.comQuestion Base trains a Slack AI agent on company documents, wikis, and prior chats to answer employee questions.
24
Chat Thing
chatthing.aiChat Thing creates AI support agents trained on documentation and FAQs that answer customer questions and can look up orders.
No alternatives match this filter.
Alternatives to similar tools
Microsoft Copilot24 alternativesOpen Webui24 alternativesPrivate GPT19 alternativesAutonomous HR Chatbot24 alternativesLLMStack24 alternativesPetals24 alternatives
What is the best alternative to Solar?
Based on features, tags and platforms, the closest alternatives to Solar are Petals, Private GPT, and Inception.
Is there a free alternative to Solar?
Yes. Tidio is free or offer a free plan.
Are there open-source alternatives to Solar?
Yes: Generative AI Docs, Silly Tavern, Autonomous HR Chatbot, and KoboldCpp.
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