Claude 3.7 Thinking Sonnet vs OpenAI Codex Mini
Compare Claude 3.7 Thinking Sonnet by Anthropic against OpenAI Codex Mini by OpenAI, in 5 community votes, claude 3.7 thinking sonnet and openai codex mini are closely matched, context windows of 200K vs 200K, tested across 10 shared challenges. Updated April 2026.
Which is better, Claude 3.7 Thinking Sonnet or OpenAI Codex Mini?
Claude 3.7 Thinking Sonnet and OpenAI Codex Mini are closely matched based on 5 community votes. Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1.5/M for OpenAI Codex Mini. Context windows: 200K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Thinking Sonnet and OpenAI Codex Mini
Claude 3.7 Thinking Sonnet is made by anthropic while OpenAI Codex Mini is from openai. Claude 3.7 Thinking Sonnet has a 200K token context window compared to OpenAI Codex Mini's 200K. On pricing, Claude 3.7 Thinking Sonnet costs $6/M input tokens vs $1.5/M for OpenAI Codex Mini. In community voting, In 5 community votes, Claude 3.7 Thinking Sonnet and OpenAI Codex Mini are closely matched.
In 5 community votes, Claude 3.7 Thinking Sonnet and OpenAI Codex Mini are closely matched. Claude 3.7 Thinking Sonnet leads in Web Design. Based on blind community voting from the Rival open dataset of 5+ human preference judgments for this pair.
Votes are tied. OpenAI Codex Mini is newer and likely incorporates more recent improvements.
Claude 3.7 Thinking Sonnet particularly excels in Web Design. OpenAI Codex Mini is 5.0x cheaper per token — worth considering if cost matters.
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