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Compare · 2026-10-15

Claude Opus 4.5 20251101 vs GPT-5.6 Sol

As of Oct 15, 2026, Claude Opus 4.5 20251101 leads GPT-5.6 Sol in 0 of 2 shared categories.

CategoryClaude Opus 4.5 20251101GPT-5.6 Sol
General LLM—
#17 · #17 in General LLM
Margin 9.042553191489361
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Nov 24, 2025
#12 · #12 in Reasoning
Margin 6.914893617021278
LMArena leaderboard dataset · Oct 13, 2026
Math—
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science
#55 · #55 in Science
Margin —
Epoch AI benchmarking hub · Nov 24, 2025
#13 · #13 in Science
Margin —
Epoch AI benchmarking hub · Jul 9, 2026
Coding—
#9 · #9 in Coding
Margin 45.45454545454545
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Agentic—
#9 · #9 in Coding › Agentic
Margin 45.45454545454545
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Web dev—
#23 · Was SOTA · Coding › Web dev
Margin 17.599999999999994
LMArena leaderboard dataset · Oct 13, 2026
Long context—
#13 · #13 in Long context
Margin 6.914893617021278
LMArena leaderboard dataset · Oct 13, 2026
Vision—
#3 · Near-SOTA · Vision
Margin 10.526315789473685
Epoch AI benchmarking hub · Jul 9, 2026
Factuality
#— · Not enough data
Margin —
Epoch AI benchmarking hub · Nov 24, 2025
#15 · #15 in Factuality
Margin 9.302325581395351
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#27 · #27 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Nov 24, 2025
#3 · #3 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jul 9, 2026
Price per 1M tokens

Claude Opus 4.5 20251101: price per 1M tokens is unset in the catalog.

GPT-5.6 Sol: $8.000000000000002 per 1M blended tokens.

Open weights

Claude Opus 4.5 20251101: closed weights.

GPT-5.6 Sol: closed weights.

Which to pick

Science: As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.5 20251101 in Science at #13 against #55.

Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.5 20251101 in Abstraction (ARC) at #3 against #27.

Claude Opus 4.5 20251101 · GPT-5.6 Sol

Claude Opus 4.5 20251101 or GPT-5.6 Sol?

As of Oct 15, 2026, Claude Opus 4.5 20251101 leads GPT-5.6 Sol in 0 of 2 shared categories.

Claude Opus 4.5 20251101 or GPT-5.6 Sol for Science?

As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.5 20251101 in Science at #13 against #55.

Claude Opus 4.5 20251101 or GPT-5.6 Sol for Abstraction (ARC)?

As of Oct 15, 2026, GPT-5.6 Sol leads Claude Opus 4.5 20251101 in Abstraction (ARC) at #3 against #27.