About this app
AI Coding Assistant is a premium macOS AI workspace built on the Anthropic Claude API. Chat with Claude Sonnet 4.5, Opus 4.5, and Haiku 4.5 with live token streaming, full conversation history, and search. EVERYTHING YOU NEED, IN ONE WINDOW • Multi-model chat — switch between Claude Sonnet, Opus, and Haiku mid-turn • Built-in tabbed browser with "Send page to chat" • Anthropic web search integrated per turn • 19 pre-built AI tools (Code Generator, Regex Builder, SQL Builder, more) • Custom personas with system prompts and starter questions • Projects that group chats with shared context • Live HTML / SVG / Mermaid / JSON canvas • Bookmarks for the answers you want to keep • Export any chat as Markdown to a folder you choose YOUR DATA STAYS YOURS Conversations are stored in a folder you choose on your Mac. AI Coding Assistant talks directly to the Anthropic Claude API — no middleman servers, no training on your prompts. PRICING • Free — Claude Haiku 4.5, 3 messages per day • Weekly — $4.99 / week, cancel anytime • Monthly — $14.99 / month, cancel anytime • Lifetime — $99.99 one-time, all models forever Terms of Use: https://lumen-mac.vercel.app/terms Privacy Policy: https://lumen-mac.vercel.app/privacy ABOUT AI Coding Assistant is an independent third-party application and is not affiliated with, endorsed by, or associated with Anthropic, PBC or Claude AI. All trademarks belong to their respective owners. AI Coding Assistant uses the Anthropic API to provide AI-powered features and is built in compliance with Anthropic's Usage Policies.
Latest release
What’s New
Updated App Store screenshots.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 8, 2026 · 10:38 PM Free