# GPT-6.1 Sol vs Step 5 Preview

As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

GPT-6.1 Sol: $4.000000000000001 per 1M blended tokens.

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

GPT-6.1 Sol: closed weights.

Step 5 Preview: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in General LLM at #18 against #77.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Reasoning at #15 against #63.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Coding › Web dev at #4 against #33.
- Which to pick, Long context: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Long context at #18 against #68.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Factuality at #33 against #69.

As of Oct 15, 2026, GPT-6.1 Sol is tied for state of the art in Vision (since Sep 30, 2026; sources GDP.pdf; methodology v1.0).

As of Oct 15, 2026, Step 5 Preview is ranked #33 in Coding › Web dev (since Oct 15, 2026; sources LMArena WebDev; methodology v1.0).