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Claude Opus 5.5 vs GPT-6 Luna

Side-by-side comparison of Claude Opus 5.5 (Anthropic) and GPT-6 Luna (OpenAI). Compare reasoning, coding, speed, pricing tiers, and capabilities.

Overview

• Claude Opus 5.5: Score 92/100 · Rating 4.88/5 · Pricing: Freemium
• GPT-6 Luna: Score 86/100 · Rating 4.74/5 · Pricing: Freemium

Read Claude Opus 5.5 Review · Read GPT-6 Luna Review