Quartzite

Quartzite is an advanced chat interface designed to help users get the most out of Language Models. It provides access to multiple AI models including Opus 4.5, Gemini 3, GPT-5.1, o3-pro & o3, GPT-5, OpenRouter, DeepSeek, Perplexity AI, Llama 3, and Mistral through a unified interface.

Key Features

• Advanced prompt editor: Craft complex prompts using a Markdown editor, with the ability to save drafts and submit prompts.
• Version history: Track and experiment with different prompt iterations and model configurations.
• Cost preview: Estimate token usage and cost before running a prompt.
• Template repository: Build and manage a library of prompt templates, or use default ones.