Claude Opus 4.6 vs GPT-5.4 Nano
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
GPT-5.4 Nano
#43 Best recorded rank: #43 in Abstraction (ARC), as of Oct 14, 2026.
| Category | Claude Opus 4.6 | GPT-5.4 Nano |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #114 · #114 in General LLM Margin 77.55102040816327 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #109 · #109 in Reasoning Margin 75.34246575342466 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #73 · #73 in Science Margin — Epoch AI benchmarking hub · Mar 17, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #120 · #120 in Long context Margin 81.63265306122449 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | #98 · #98 in Factuality Margin 73.88059701492537 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #43 · #43 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 17, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
GPT-5.4 Nano: $0.4625 per 1M blended tokens.
Claude Opus 4.6: closed weights.
GPT-5.4 Nano: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in General LLM at #4 against #114.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in Reasoning at #2 against #109.
Science: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in Science at #32 against #73.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in Long context at #2 against #120.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in Factuality at #3 against #98.
Claude Opus 4.6 · GPT-5.4 Nano
Claude Opus 4.6 or GPT-5.4 Nano?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.
Claude Opus 4.6 or GPT-5.4 Nano for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in General LLM at #4 against #114.
Claude Opus 4.6 or GPT-5.4 Nano for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in Reasoning at #2 against #109.
Claude Opus 4.6 or GPT-5.4 Nano for Science?
As of Oct 14, 2026, Claude Opus 4.6 leads GPT-5.4 Nano in Science at #32 against #73.