Claude Opus 4.8 vs Gemini 2.5 Pro (I/O Edition)
Compare Claude Opus 4.8 by Anthropic against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 40 shared challenges. Updated May 2026.
Which is better, Claude Opus 4.8 or Gemini 2.5 Pro (I/O Edition)?
Claude Opus 4.8 and Gemini 2.5 Pro (I/O Edition) are both competitive models. Claude Opus 4.8 costs $5/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.8 and Gemini 2.5 Pro (I/O Edition)
Claude Opus 4.8 is made by anthropic while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, Claude Opus 4.8 costs $5/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition).
Per 1M tokens
Gemini 2.5 Pro (I/O Edition) is cheaper on both — 4.0× 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.
Style Comparison
Claude Opus 4.8 uses 77.6x more emoji
