What is the difference between Claude Sonnet 4.5 and Horizon Beta?

Claude Sonnet 4.5 is developed by Anthropic while Horizon Beta is developed by OpenRouter. Claude Sonnet 4.5 has a 200K token context window vs Horizon Beta's 256K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or Horizon Beta?

It depends on your use case. Claude Sonnet 4.5 and Horizon Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to Horizon Beta?

Claude Sonnet 4.5 costs $3/M input tokens and Horizon Beta costs $0/M input tokens. Horizon Beta is $3.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Sonnet 4.5 and Horizon Beta on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 and Horizon Beta 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.

What is the difference between Claude Sonnet 4.5 and Horizon Beta?

Claude Sonnet 4.5 is developed by Anthropic while Horizon Beta is developed by OpenRouter. Claude Sonnet 4.5 has a 200K token context window vs Horizon Beta's 256K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 4.5 or Horizon Beta?

It depends on your use case. Claude Sonnet 4.5 and Horizon Beta each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 4.5 cost compared to Horizon Beta?

Claude Sonnet 4.5 costs $3/M input tokens and Horizon Beta costs $0/M input tokens. Horizon Beta is $3.00/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Sonnet 4.5 and Horizon Beta on Rival?

This page shows a side-by-side comparison of Claude Sonnet 4.5 and Horizon Beta 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.