Claude 3.7 Sonnet vs Horizon Beta
Compare Claude 3.7 Sonnet by Anthropic against Horizon Beta by OpenRouter, in 7 community votes, claude 3.7 sonnet wins 86% of head-to-head duels, context windows of 200K vs 256K, tested across 41 shared challenges. Updated May 2026.
Which is better, Claude 3.7 Sonnet or Horizon Beta?
Claude 3.7 Sonnet is the better choice overall, winning 86% of 7 blind community votes on Rival. Claude 3.7 Sonnet costs $3/M input tokens vs $0/M for Horizon Beta. Context windows: 200K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Sonnet and Horizon Beta
Claude 3.7 Sonnet is made by anthropic while Horizon Beta is from openrouter. Claude 3.7 Sonnet has a 200K token context window compared to Horizon Beta's 256K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $0/M for Horizon Beta. In community voting, In 7 community votes, Claude 3.7 Sonnet wins 86% of head-to-head duels.
In 7 community votes, Claude 3.7 Sonnet wins 86% of head-to-head duels. Claude 3.7 Sonnet leads in Reasoning. Based on blind community voting from the Rival open dataset of 7+ human preference judgments for this pair.
Per 1M tokens
Pick Claude 3.7 Sonnet. In 7 blind votes, Claude 3.7 Sonnet wins 86% of the time. That's not luck.
Claude 3.7 Sonnet particularly excels in Reasoning.
Style Comparison
Claude 3.7 Sonnet uses 121.0x more bold
