Claude Opus 5 is about 25% costlier in real-world use than GPT-5.6 Sol
thedealdirector · x · 2026-07-26
A cost/performance comparison suggests Claude Opus 5 ends up about 25% more expensive in real-world costs than a comparable GPT-5.6 Sol performance level.
The attached DeepSWE chart shows multiple models positioned by average task cost versus score, reinforcing the broader point that edge cases and efficiency profiles still vary widely even when headline performance is close.
Related event: Claude Opus 5 Leads Coding Benchmark at Higher Cost(3 posts)→
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