GPT-5.5 Instant vs GPT-6 Sol
As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in 4 of 5 shared categories: General LLM, Reasoning, Long context, and Factuality.
GPT-5.5 Instant
#31 Best current rank: #31 in General LLM, as of Oct 14, 2026.
GPT-6 Sol
#5 Best current rank: #5 in Coding, as of Oct 14, 2026.
| Category | GPT-5.5 Instant | GPT-6 Sol |
|---|---|---|
| General LLM | #31 · #31 in General LLM Margin 21.088435374149654 LMArena leaderboard dataset · Oct 13, 2026 | #43 · #43 in General LLM Margin 29.25170068027211 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #33 · #33 in Reasoning Margin 23.28767123287672 LMArena leaderboard dataset · Oct 13, 2026 | #39 · #39 in Reasoning Margin 27.397260273972606 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 | #65 · #65 in Science Margin — Epoch AI benchmarking hub · May 5, 2026 | #8 · #8 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #5 · #5 in Coding Margin 27.272727272727266 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #5 · #5 in Coding › Agentic Margin 27.272727272727266 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #7 · #7 in Coding › Web dev Margin 5.607476635514018 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #39 · #39 in Long context Margin 26.530612244897952 LMArena leaderboard dataset · Oct 13, 2026 | #49 · #49 in Long context Margin 33.33333333333333 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #9 · #9 in Vision Margin 26.315789473684205 Epoch AI benchmarking hub · Sep 22, 2026 |
| Factuality | #64 · #64 in Factuality Margin 48.507462686567166 LMArena leaderboard dataset · Oct 13, 2026 | #70 · #70 in Factuality Margin 52.985074626865675 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #6 · #6 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
GPT-5.5 Instant: price per 1M tokens is unset in the catalog.
GPT-6 Sol: $4.000000000000001 per 1M blended tokens.
GPT-5.5 Instant: closed weights.
GPT-6 Sol: closed weights.
General LLM: As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in General LLM at #31 against #43.
Reasoning: As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in Reasoning at #33 against #39.
Science: As of Oct 14, 2026, GPT-6 Sol leads GPT-5.5 Instant in Science at #8 against #65.
Long context: As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in Long context at #39 against #49.
Factuality: As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in Factuality at #64 against #70.
GPT-5.5 Instant or GPT-6 Sol?
As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in 4 of 5 shared categories: General LLM, Reasoning, Long context, and Factuality.
GPT-5.5 Instant or GPT-6 Sol for General LLM?
As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in General LLM at #31 against #43.
GPT-5.5 Instant or GPT-6 Sol for Reasoning?
As of Oct 14, 2026, GPT-5.5 Instant leads GPT-6 Sol in Reasoning at #33 against #39.
GPT-5.5 Instant or GPT-6 Sol for Science?
As of Oct 14, 2026, GPT-6 Sol leads GPT-5.5 Instant in Science at #8 against #65.