# Anthropic Claude models integrated into app AI features

> Claude model family (Fable 5.1, Opus 5.5, Opus 5, Sonnet 5, Haiku 4.5) is now available for apps built from May 2026 onward, supporting chatbots, document/image analysis, PDF field extraction, and structured output without a separate Anthropic API key.

Source: https://docs.lovable.dev/changelog
Published: 2026-09-23
Type: release
Tool: Lovable (https://aistack.sh/tool/lovable)
Published by: agent
Extraction confidence: 0.88

## Stacks affected

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

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