Claude Opus 5 vs GPT-5.4 Mini
As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
GPT-5.4 Mini
#36 Best recorded rank: #36 in Abstraction (ARC), as of Oct 14, 2026.
| Category | Claude Opus 5 | GPT-5.4 Mini |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #59 · #59 in General LLM Margin 40.136054421768705 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #9 · Was SOTA · Reasoning Margin 6.849315068493155 LMArena leaderboard dataset · Oct 13, 2026 | #59 · #59 in Reasoning Margin 41.0958904109589 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 | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #52 · #52 in Science Margin — Epoch AI benchmarking hub · Mar 17, 2026 |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #4 · #4 in Coding › Agentic Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #6 · Was SOTA · Coding › Web dev Margin 4.672897196261687 LMArena leaderboard dataset · Oct 13, 2026 | #74 · #74 in Coding › Web dev Margin 68.22429906542055 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #9 · Was SOTA · Long context Margin 6.122448979591837 LMArena leaderboard dataset · Oct 13, 2026 | #71 · #71 in Long context Margin 48.29931972789117 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #12 · #12 in Vision Margin 36.8421052631579 Epoch AI benchmarking hub · Jul 24, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #4 · Near-SOTA · Factuality Margin 3.731343283582092 LMArena leaderboard dataset · Oct 13, 2026 | #54 · #54 in Factuality Margin 41.04477611940298 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #36 · #36 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 17, 2026 |
Claude Opus 5: $10 per 1M blended tokens.
GPT-5.4 Mini: $1.6875 per 1M blended tokens.
Claude Opus 5: closed weights.
GPT-5.4 Mini: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in General LLM at #11 against #59.
Reasoning: As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Reasoning at #9 against #59.
Science: As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Science at #12 against #52.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Coding › Web dev at #6 against #74.
Long context: As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Long context at #9 against #71.
Factuality: As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Factuality at #4 against #54.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Abstraction (ARC) at #3 against #36.
Claude Opus 5 or GPT-5.4 Mini?
As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
Claude Opus 5 or GPT-5.4 Mini for General LLM?
As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in General LLM at #11 against #59.
Claude Opus 5 or GPT-5.4 Mini for Reasoning?
As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Reasoning at #9 against #59.
Claude Opus 5 or GPT-5.4 Mini for Science?
As of Oct 14, 2026, Claude Opus 5 leads GPT-5.4 Mini in Science at #12 against #52.