What is the difference between Claude Fable 5.1 and Sherlock Dash Alpha?

Claude Fable 5.1 is developed by Anthropic while Sherlock Dash Alpha is developed by OpenRouter. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

Which is better, Claude Fable 5.1 or Sherlock Dash Alpha?

It depends on your use case. Claude Fable 5.1 and Sherlock Dash Alpha each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

How can I compare Claude Fable 5.1 and Sherlock Dash Alpha on Rival?

This page shows a side-by-side comparison of Claude Fable 5.1 and Sherlock Dash Alpha across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Sep 2026

Claude Fable 5.1vsSherlock Dash Alpha

Claude Fable 5.1 is the newer model, released after Sherlock Dash Alpha.

Claude Fable 5.1 and Sherlock Dash Alpha compared across 6 shared prompts
Spec	Claude Fable 5.1	Sherlock Dash Alpha
Input price	$10/M tokens	—
Output price	$50/M tokens	—
Context window	1.0M tokens	—
Weights	Closed	—
Free API (OpenRouter)	No	No
Released	Sep 2026	Nov 2025

Our Verdict

Claude Fable 5.1

Sherlock Dash AlphaRunner-up

Not enough votes to call it. On the specs, Claude Fable 5.1 has the edge: newer, bigger context window, major provider backing.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Fable 5.1

Input

$10.00

Output

$50.00

Sherlock Dash Alpha

Input

—

Output

—

Where to run it

4 hosts

Claude Fable 5.14 hosts

HostInOutContextUptime

Amazon Bedrock$10.00 in$50.00 out1M—Anthropic$10.00 in$50.00 out1M99.1% up Azure AI Foundry$10.00 in$50.00 out1M99.1% up Google Vertex AI$10.00 in$50.00 out1M99.8% up

Sherlock Dash Alpha

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cost per 1M tokens

4 hosts

What we learned reading every model

Common questions

What is the difference between Claude Fable 5.1 and Sherlock Dash Alpha?

Which is better, Claude Fable 5.1 or Sherlock Dash Alpha?

How can I compare Claude Fable 5.1 and Sherlock Dash Alpha on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

4 hosts

What we learned reading every model

Common questions

What is the difference between Claude Fable 5.1 and Sherlock Dash Alpha?

Which is better, Claude Fable 5.1 or Sherlock Dash Alpha?

How can I compare Claude Fable 5.1 and Sherlock Dash Alpha on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages