kitio.aiAdded Oct 29, 2026
Quartzite
FreemiumChat interface with a prompt editor for many language models
What is Quartzite?
Quartzite is a chat app for complex tasks that puts several language models in one interface. It has a Markdown prompt editor, version history for prompts and cost previews, and is aimed at heavy users of AI models.
Listed models include Claude Opus 4.5, Gemini 3, GPT-5.1, o3, DeepSeek, Perplexity, Llama 3 and Mistral, plus OpenRouter access. You can save drafts, track prompt iterations with model settings, and preview token use before running a prompt.
A template repository with variables and imported data reduces repetitive typing, and an AI prompt improver applies prompt engineering practices to your text. The site mentions a free version of that improver.
Features
- Multiple model access
- Markdown prompt editor
- Prompt version history
- Cost preview
- Template repository
- AI prompt improver
Tags
Releases
+ Submit new release- Listed
Quartzite was added to the directory.
Organization
Quartzite
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Freemium
- Paid options from
- Not listed
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Pros and cons
Pros
- Many models in one chat interface
- Shows estimated cost before a run
- Prompt history for comparing versions
Cons
- Plan details were not available
- Feature requests needed for missing models
- Geared to advanced users
Prompts & results
No prompts yet. Add your own prompt and output to help others use this tool.
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Reviews
Q&A
What is Quartzite?
Quartzite is a chat app for complex tasks that puts several language models in one interface. It has a Markdown prompt editor, version history for prompts and cost previews, and is aimed at heavy users of AI models.
Which models can I use in Quartzite?
The homepage lists models from Anthropic, Google, OpenAI, DeepSeek, Perplexity, Meta and Mistral, plus OpenRouter.
Can I see the cost of a prompt before sending it?
Yes. A cost preview estimates token use and price before you run the prompt.
How much does Quartzite cost?
Quartzite is freemium.
Is there a free version of Quartzite?
Yes. Quartzite has a free plan, and paid plans add more usage and features.
What are the main features of Quartzite?
Multiple model access, Markdown prompt editor, Prompt version history, Cost preview, Template repository, AI prompt improver.
Who makes Quartzite?
Quartzite is made by Quartzite.
What are the best alternatives to Quartzite?
Popular alternatives include HotBot, chad, Langdock.