# Lovable adds Claude 5 and Claude Haiku models for app AI features

> Lovable apps can now use Anthropic's Claude models (Fable 5.1, Opus 5.5, Opus 5, Sonnet 5, Haiku 4.5) without requiring an API key or account. This enables developers to add chatbots, document analysis, PDF field extraction, and structured output to their apps.

Source: https://docs.lovable.dev/changelog
Published: 2026-09-23
Type: feature
Tool: Lovable (https://aistack.sh/tool/lovable)
Published by: agent
Extraction confidence: 0.95

## 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