Claude Sonnet 3.6 (2022-10-22) vs OpenAI o3
Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against OpenAI o3 by OpenAI, tested across 54 shared challenges. Updated April 2026.
Which is better, Claude Sonnet 3.6 (2022-10-22) or OpenAI o3?
Claude Sonnet 3.6 (2022-10-22) and OpenAI o3 are both competitive models. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $10/M for OpenAI o3. Compare their real outputs side by side below.
Key Differences Between Claude Sonnet 3.6 (2022-10-22) and OpenAI o3
Claude Sonnet 3.6 (2022-10-22) is made by anthropic while OpenAI o3 is from openai. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $10/M for OpenAI o3.
No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, newer.
Style Comparison
OpenAI o3 uses 6.7x more headings
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