# Claude Opus 5 vs Step 5 Preview

As of Oct 14, 2026, Claude Opus 5 leads Step 5 Preview in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

Claude Opus 5: $10 per 1M blended tokens.

Step 5 Preview: $1.4249999999999998 per 1M blended tokens.

Claude Opus 5: closed weights.

Step 5 Preview: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude Opus 5 leads Step 5 Preview in General LLM at #11 against #60.
- Which to pick, Reasoning: As of Oct 14, 2026, Claude Opus 5 leads Step 5 Preview in Reasoning at #9 against #49.
- Which to pick, Coding › Web dev: As of Oct 14, 2026, Claude Opus 5 leads Step 5 Preview in Coding › Web dev at #6 against #31.
- Which to pick, Long context: As of Oct 14, 2026, Claude Opus 5 leads Step 5 Preview in Long context at #9 against #56.
- Which to pick, Factuality: As of Oct 14, 2026, Claude Opus 5 leads Step 5 Preview in Factuality at #4 against #57.

As of Oct 14, 2026, Claude Opus 5 is near state of the art, rank #4 in Factuality (since Oct 14, 2026; sources LMArena Text factuality; methodology v1.0).

As of Oct 14, 2026, Step 5 Preview is ranked #31 in Coding › Web dev (since Oct 14, 2026; sources LMArena WebDev; methodology v1.0).