Last updated: April 5, 2026 · Reviewed by Daniel Ashford
👑Claude Opus 4 vs ⚡Gemini 2.5 Ultra
Head-to-head across 6 dimensions · by Daniel Ashford
Summary
Claude Opus 4 leads overall with an Index of 96.0 vs 93.0. Claude Opus 4 wins on accuracy, reasoning, safety, coding, creativity, instruction. On pricing, Gemini 2.5 Ultra is more affordable.
❓ Frequently Asked Questions
Is Claude Opus 4 better than Gemini 2.5 Ultra?
Based on the LLM Judge Index™, Claude Opus 4 scores higher overall (96.0 vs 93.0). Claude Opus 4 leads on accuracy, reasoning, safety, coding, creativity, instruction, while Gemini 2.5 Ultra leads on no dimensions.
Which is cheaper, Claude Opus 4 or Gemini 2.5 Ultra?
Gemini 2.5 Ultra is more affordable at $7/M tokens.
Which is better for coding?
Claude Opus 4 scores higher on coding (94 vs 91).
Which model is safer?
Claude Opus 4 has a higher safety score (98 vs 94).