Claude Opus 5 vs Step 5 Preview

Claude Opus 5 against Step 5 Preview
Claude Opus 5Step 5 Preview
Coding index83.061.1
Benchmarks behind it Verified, 6 benchmarks Verified, 4 benchmarks
Output $/Mtok$25.00$2.70
Cost per solved task$1.33Not computable
Context window1M1.05M