How to Try Claude Fable 5.1 Free on Arena.ai

Want to try Claude Fable 5.1 for free? Anthropic's new model is on Arena.ai in Direct Mode for a limited time, and you can start testing it right now.

The window closes on September 5 at 8:00 AM PT. After that, Direct Mode goes away, though the model stays available through Battle Mode and Agent Mode.

Tutorial

1. Open Arena.ai.
2. Enter Direct Mode.
3. Pick Claude Fable 5.1 from the model menu.
4. Start testing.

Wrapping Up

You now have a few days to run Claude Fable 5.1 through its paces in Direct Mode. If you miss that window, you can still reach the model through Battle Mode and Agent Mode on the same platform.