Claude Sonnet 4 vs OpenAI o4-mini
Compare Claude Sonnet 4 by Anthropic against OpenAI o4-mini by OpenAI, in 11 community votes, claude sonnet 4 wins 67% of head-to-head duels, tested across 54 shared challenges. Updated May 2026.
Which is better, Claude Sonnet 4 or OpenAI o4-mini?
Claude Sonnet 4 is the better choice overall, winning 67% of 11 blind community votes on Rival. Claude Sonnet 4 costs $3/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 4 and OpenAI o4-mini
Claude Sonnet 4 is made by anthropic while OpenAI o4-mini is from openai. On pricing, Claude Sonnet 4 costs $3/M input tokens vs $1.1/M for OpenAI o4-mini. In community voting, In 11 community votes, Claude Sonnet 4 wins 67% of head-to-head duels.
In 11 community votes, Claude Sonnet 4 wins 67% of head-to-head duels. Claude Sonnet 4 leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 11+ human preference judgments for this pair.
Per 1M tokens
OpenAI o4-mini is cheaper on both — 2.7× input, 3.4× output
Pick Claude Sonnet 4. In 11 blind votes, Claude Sonnet 4 wins 67% of the time. That's not luck.
Claude Sonnet 4 particularly excels in Image Generation, Web Design. OpenAI o4-mini is 3.4x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Sonnet 4 uses 503.7x more bold
