Claude Opus 4.8 vs Longcat Flash Chat
As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
Longcat Flash Chat
#106 Best current rank: #106 in Reasoning, as of Oct 14, 2026.
| Category | Claude Opus 4.8 | Longcat Flash Chat |
|---|---|---|
| General LLM | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #115 · #115 in General LLM Margin 78.2312925170068 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 | #106 · #106 in Reasoning Margin 73.2876712328767 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 | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | — |
| Coding | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #33 · Was SOTA · Coding › Web dev Margin 29.90654205607477 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #133 · #133 in Long context Margin 90.47619047619048 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | — |
| Factuality | #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 4.8: $10 per 1M blended tokens.
Longcat Flash Chat: price per 1M tokens is unset in the catalog.
Claude Opus 4.8: closed weights.
Longcat Flash Chat: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in General LLM at #20 against #115.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in Reasoning at #10 against #106.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in Long context at #10 against #133.
Claude Opus 4.8 · Longcat Flash Chat
Claude Opus 4.8 or Longcat Flash Chat?
As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Claude Opus 4.8 or Longcat Flash Chat for General LLM?
As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in General LLM at #20 against #115.
Claude Opus 4.8 or Longcat Flash Chat for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in Reasoning at #10 against #106.
Claude Opus 4.8 or Longcat Flash Chat for Long context?
As of Oct 14, 2026, Claude Opus 4.8 leads Longcat Flash Chat in Long context at #10 against #133.