Claude Opus 5.5 vs Grok 4.7
As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in 9 of 10 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).
Claude Opus 5.5
Yes. SOTA in co-SOTA in Reasoning, co-SOTA in Coding, co-SOTA in Coding › Agentic, Coding › Web dev, co-SOTA in Long context and co-SOTA in Factuality.
Grok 4.7
#8 Best current rank: #8 in Coding, as of Oct 14, 2026.
| Category | Claude Opus 5.5 | Grok 4.7 |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #63 · #63 in General LLM Margin 42.857142857142854 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #62 · #62 in Reasoning Margin 43.15068493150685 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 | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #19 · #19 in Science Margin — Epoch AI benchmarking hub · Sep 21, 2026 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #8 · #8 in Coding Margin 40.90909090909091 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #8 · #8 in Coding › Agentic Margin 40.90909090909091 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Coding › Web dev Margin 11.214953271028037 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #63 · #63 in Long context Margin 42.857142857142854 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | #18 · #18 in Vision Margin 50 Epoch AI benchmarking hub · Sep 21, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #80 · #80 in Factuality Margin 60.44776119402985 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | #16 · #16 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 21, 2026 |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
Grok 4.7: $3 per 1M blended tokens.
Claude Opus 5.5: closed weights.
Grok 4.7: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in General LLM at #2 against #63.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Reasoning at #1 against #62.
Science: As of Oct 14, 2026, Grok 4.7 leads Claude Opus 5.5 in Science at #19 against #31.
Coding: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Coding at #1 against #8.
Coding › Agentic: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Coding › Agentic at #1 against #8.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Coding › Web dev at #1 against #13.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Long context at #1 against #63.
Vision: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Vision at #4 against #18.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Factuality at #1 against #80.
Abstraction (ARC): As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Abstraction (ARC) at #1 against #16.
Claude Opus 5.5 or Grok 4.7?
As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in 9 of 10 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).
Claude Opus 5.5 or Grok 4.7 for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in General LLM at #2 against #63.
Claude Opus 5.5 or Grok 4.7 for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads Grok 4.7 in Reasoning at #1 against #62.
Claude Opus 5.5 or Grok 4.7 for Science?
As of Oct 14, 2026, Grok 4.7 leads Claude Opus 5.5 in Science at #19 against #31.