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
Yes. SOTA in Vision (tied).
Step 5 Preview
#33 Best current rank: #33 in Coding › Web dev, as of Oct 15, 2026.
| Category | GPT-6.1 Sol | Step 5 Preview |
|---|---|---|
| General LLM | #18 · #18 in General LLM Margin 9.574468085106389 LMArena leaderboard dataset · Oct 13, 2026 | #77 · #77 in General LLM Margin 40.95744680851064 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #15 · #15 in Reasoning Margin 8.510638297872347 LMArena leaderboard dataset · Oct 13, 2026 | #63 · #63 in Reasoning Margin 34.04255319148936 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 29, 2026 | — |
| Coding | #2 · Near-SOTA · Coding Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #2 · Near-SOTA · Coding › Agentic Margin 13.63636363636364 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #4 · Near-SOTA · Coding › Web dev Margin 2.4000000000000057 LMArena leaderboard dataset · Oct 13, 2026 | #33 · #33 in Coding › Web dev Margin 25.599999999999994 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #18 · #18 in Long context Margin 9.574468085106389 LMArena leaderboard dataset · Oct 13, 2026 | #68 · #68 in Long context Margin 36.170212765957444 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 29, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #33 · #33 in Factuality Margin 19.767441860465127 LMArena leaderboard dataset · Oct 13, 2026 | #69 · #69 in Factuality Margin 40.69767441860465 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 29, 2026 | — |
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.
General LLM: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in General LLM at #18 against #77.
Reasoning: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Reasoning at #15 against #63.
Coding › Web dev: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Coding › Web dev at #4 against #33.
Long context: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Long context at #18 against #68.
Factuality: As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Factuality at #33 against #69.
GPT-6.1 Sol or 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 or Step 5 Preview for General LLM?
As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in General LLM at #18 against #77.
GPT-6.1 Sol or Step 5 Preview for Reasoning?
As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Reasoning at #15 against #63.
GPT-6.1 Sol or Step 5 Preview for Coding › Web dev?
As of Oct 15, 2026, GPT-6.1 Sol leads Step 5 Preview in Coding › Web dev at #4 against #33.