Claude Opus 4.1 vs Claude Opus 4.8
As of Oct 14, 2026, Claude Opus 4.1 leads Claude Opus 4.8 in 0 of 6 shared categories.
Claude Opus 4.1
It used to be. Was SOTA in General LLM.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Opus 4.1 | Claude Opus 4.8 |
|---|---|---|
| General LLM | #57 · Was SOTA · General LLM Margin 38.775510204081634 LMArena leaderboard dataset · Oct 13, 2026 | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #47 · Was SOTA · Reasoning Margin 32.87671232876713 LMArena leaderboard dataset · Oct 13, 2026 | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #27 · #27 in Math Margin 57.77777777777778 Epoch AI benchmarking hub · Aug 5, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #83 · #83 in Science Margin — Epoch AI benchmarking hub · Aug 5, 2025 | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Aug 5, 2025 | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #76 · Was SOTA · Coding › Web dev Margin 70.09345794392523 LMArena leaderboard dataset · Oct 13, 2026 | #33 · Was SOTA · Coding › Web dev Margin 29.90654205607477 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #44 · Was SOTA · Long context Margin 29.931972789115648 LMArena leaderboard dataset · Oct 13, 2026 | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 |
| Factuality | #74 · #74 in Factuality Margin 55.97014925373134 LMArena leaderboard dataset · Oct 13, 2026 | #21 · #21 in Factuality Margin 16.417910447761187 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 |
Claude Opus 4.1: $29.999999999999996 per 1M blended tokens.
Claude Opus 4.8: $10 per 1M blended tokens.
Claude Opus 4.1: closed weights.
Claude Opus 4.8: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in General LLM at #20 against #57.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in Reasoning at #10 against #47.
Science: As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in Science at #27 against #83.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in Coding › Web dev at #33 against #76.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in Long context at #10 against #44.
Factuality: As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in Factuality at #21 against #74.
Claude Opus 4.1 · Claude Opus 4.8
Claude Opus 4.1 or Claude Opus 4.8?
As of Oct 14, 2026, Claude Opus 4.1 leads Claude Opus 4.8 in 0 of 6 shared categories.
Claude Opus 4.1 or Claude Opus 4.8 for General LLM?
As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in General LLM at #20 against #57.
Claude Opus 4.1 or Claude Opus 4.8 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in Reasoning at #10 against #47.
Claude Opus 4.1 or Claude Opus 4.8 for Science?
As of Oct 14, 2026, Claude Opus 4.8 leads Claude Opus 4.1 in Science at #27 against #83.