Claude Opus 4.7 vs GPT-5.5
Compare Claude Opus 4.7 by Anthropic against GPT-5.5 by OpenAI, in 6 community votes, gpt-5.5 wins 75% of head-to-head duels, context windows of 1.0M vs 1.1M, tested across 54 shared challenges. Updated April 2026.
Which is better, Claude Opus 4.7 or GPT-5.5?
GPT-5.5 is the better choice overall, winning 75% of 6 blind community votes on Rival. Claude Opus 4.7 costs $5/M input tokens vs $5/M for GPT-5.5. Context windows: 1000K vs 1050K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.7 and GPT-5.5
Claude Opus 4.7 is made by anthropic while GPT-5.5 is from openai. Claude Opus 4.7 has a 1000K token context window compared to GPT-5.5's 1050K. On pricing, Claude Opus 4.7 costs $5/M input tokens vs $5/M for GPT-5.5. In community voting, In 6 community votes, GPT-5.5 wins 75% of head-to-head duels.
In 6 community votes, GPT-5.5 wins 75% of head-to-head duels. GPT-5.5 has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 6+ human preference judgments for this pair.
Per 1M tokens
Pick GPT-5.5. In 6 blind votes, GPT-5.5 wins 75% of the time. That's not luck.
Style Comparison
Claude Opus 4.7 uses 86.2x more emoji
