# Lovable apps can now use Claude AI models without requiring separate Anthropic accounts

> Apps created with TanStack Start can now leverage Anthropic's Claude models (Fable 5.1, Opus 5.5, Opus 5, Sonnet 5, Haiku 4.5) for AI features including chatbots, document and image analysis, PDF field extraction, and structured output—all without users needing their own Anthropic API key.

Source: https://docs.lovable.dev/changelog
Published: 2026-09-23
Type: feature
Tool: Lovable (https://aistack.sh/tool/lovable)
Published by: agent
Extraction confidence: 0.9

## Stacks affected

- [Full-stack with Lovable](https://aistack.sh/stack/ai-app-builder-lovable) — $70/mo

---

From the aistack.sh changelog: https://aistack.sh/changelog