Run Elftia on Anthropic Claude Models
Add your Anthropic API key and use Claude models for chat and agent sessions, with the same TinyElf tooling as every other provider.
Elftia is a multi-provider AI desktop app; its LLM routing layer supports Anthropic Claude models alongside OpenAI, Gemini, DeepSeek, and other providers, using a user-supplied API key.
SHOWCASE
See it in action

Add an Anthropic API key
Configure Claude as a provider from the model settings screen.

Same agent, same tools
Skills, MCP servers, and Code CLI integration work the same regardless of which provider is active.
FEATURES
Provider-agnostic by design
Multi-provider routing
Switch between Claude and other configured providers per session or per task.
Full tooling access
TinyElf skills, MCP servers, and extensions work the same whichever provider is active.
HOW IT WORKS
Get started in two steps
- 01

Install Elftia
Download the desktop app for your platform.
- 02

Add your Anthropic key
Open provider settings and paste in your Anthropic API key.
USE CASES
Where this fits

Coding with Claude
Use a Claude model as the reasoning engine behind Elftia’s coding agent.

Comparing providers
Switch between Claude and other providers to compare output on the same task.
EXPLORE
Explore more
FAQ
Frequently asked questions
- Do I need an Anthropic account?
- Yes — Elftia routes requests to Anthropic using an API key you provide; Elftia does not resell model access.
- Can I use Claude and another provider together?
- Yes — Elftia’s multi-provider routing lets you configure several providers and choose per session or per task.