Claude 3.7 Sonnet vs OpenAI Codex Mini
Compare Claude 3.7 Sonnet by Anthropic against OpenAI Codex Mini by OpenAI, context windows of 200K vs 200K, tested across 10 shared challenges. Updated June 2026.
Which is better, Claude 3.7 Sonnet or OpenAI Codex Mini?
Claude 3.7 Sonnet and OpenAI Codex Mini are both competitive models. Claude 3.7 Sonnet costs $3/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 Sonnet and OpenAI Codex Mini
Claude 3.7 Sonnet is made by anthropic while OpenAI Codex Mini is from openai. Claude 3.7 Sonnet has a 200K token context window compared to OpenAI Codex Mini's 200K. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $1.5/M for OpenAI Codex Mini.
Per 1M tokens
OpenAI Codex Mini is cheaper on both — 2.0× input, 2.5× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
