Claude 3 Opus vs Grok 4.3
As of Oct 14, 2026, Claude 3 Opus leads Grok 4.3 in 1 of 2 shared categories: General LLM.
Claude 3 Opus
#9 Best recorded rank: #9 in General LLM, as of Oct 14, 2026.
Grok 4.3
#32 Best current rank: #32 in Vision, as of Oct 14, 2026.
| Category | Claude 3 Opus | Grok 4.3 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #67 · #67 in General LLM Margin 45.57823129251701 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #75 · #75 in Reasoning Margin 52.054794520547944 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #41 · #41 in Science Margin — Epoch AI benchmarking hub · Apr 17, 2026 |
| Coding | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | — | #85 · #85 in Coding › Web dev Margin 78.50467289719626 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #77 · #77 in Long context Margin 52.38095238095237 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #32 · #32 in Vision Margin 97.36842105263158 Epoch AI benchmarking hub · Apr 17, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #87 · #87 in Factuality Margin 65.67164179104478 LMArena leaderboard dataset · Oct 13, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
Grok 4.3: $1.5625000000000002 per 1M blended tokens.
Claude 3 Opus: closed weights.
Grok 4.3: closed weights.
General LLM: As of Oct 14, 2026, Claude 3 Opus leads Grok 4.3 in General LLM at #9 against #67.
Science: As of Oct 14, 2026, Grok 4.3 leads Claude 3 Opus in Science at #41 against #138.
Claude 3 Opus or Grok 4.3?
As of Oct 14, 2026, Claude 3 Opus leads Grok 4.3 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or Grok 4.3 for General LLM?
As of Oct 14, 2026, Claude 3 Opus leads Grok 4.3 in General LLM at #9 against #67.
Claude 3 Opus or Grok 4.3 for Science?
As of Oct 14, 2026, Grok 4.3 leads Claude 3 Opus in Science at #41 against #138.