Claude Opus 4.5 vs GPT-6 Sol
As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in 4 of 7 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Opus 4.5
It used to be. Was SOTA in Reasoning.
GPT-6 Sol
#5 Best current rank: #5 in Coding, as of Oct 14, 2026.
| Category | Claude Opus 4.5 | GPT-6 Sol |
|---|---|---|
| General LLM | #33 · #33 in General LLM Margin 22.448979591836732 LMArena leaderboard dataset · Oct 13, 2026 | #43 · #43 in General LLM Margin 29.25170068027211 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #28 · Was SOTA · Reasoning Margin 19.86301369863014 LMArena leaderboard dataset · Oct 13, 2026 | #39 · #39 in Reasoning Margin 27.397260273972606 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #16 · #16 in Math Margin 33.33333333333333 Epoch AI benchmarking hub · Nov 24, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #68 · #68 in Science Margin — Epoch AI benchmarking hub · Nov 24, 2025 | #8 · #8 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Nov 24, 2025 | #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 | #53 · Was SOTA · Coding › Web dev Margin 48.598130841121495 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Coding › Web dev Margin 5.607476635514018 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #19 · Was SOTA · Long context Margin 12.925170068027214 LMArena leaderboard dataset · Oct 13, 2026 | #49 · #49 in Long context Margin 33.33333333333333 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #9 · #9 in Vision Margin 26.315789473684205 Epoch AI benchmarking hub · Sep 22, 2026 |
| Factuality | #36 · #36 in Factuality Margin 27.611940298507463 LMArena leaderboard dataset · Oct 13, 2026 | #70 · #70 in Factuality Margin 52.985074626865675 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #49 · #49 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 24, 2025 | #6 · #6 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 |
Claude Opus 4.5: $10 per 1M blended tokens.
GPT-6 Sol: $4.000000000000001 per 1M blended tokens.
Claude Opus 4.5: closed weights.
GPT-6 Sol: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in General LLM at #33 against #43.
Reasoning: As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in Reasoning at #28 against #39.
Science: As of Oct 14, 2026, GPT-6 Sol leads Claude Opus 4.5 in Science at #8 against #68.
Coding › Web dev: As of Oct 14, 2026, GPT-6 Sol leads Claude Opus 4.5 in Coding › Web dev at #7 against #53.
Long context: As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in Long context at #19 against #49.
Factuality: As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in Factuality at #36 against #70.
Abstraction (ARC): As of Oct 14, 2026, GPT-6 Sol leads Claude Opus 4.5 in Abstraction (ARC) at #6 against #49.
Claude Opus 4.5 or GPT-6 Sol?
As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in 4 of 7 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Opus 4.5 or GPT-6 Sol for General LLM?
As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in General LLM at #33 against #43.
Claude Opus 4.5 or GPT-6 Sol for Reasoning?
As of Oct 14, 2026, Claude Opus 4.5 leads GPT-6 Sol in Reasoning at #28 against #39.
Claude Opus 4.5 or GPT-6 Sol for Science?
As of Oct 14, 2026, GPT-6 Sol leads Claude Opus 4.5 in Science at #8 against #68.