Claude Fable 5 vs DeepSeek V3.1 Terminus Thinking
As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Claude Fable 5
Close. Near-SOTA in General LLM, rank #3.
DeepSeek V3.1 Terminus Thinking
#88 Best current rank: #88 in Long context, as of Oct 15, 2026.
| Category | Claude Fable 5 | DeepSeek V3.1 Terminus Thinking |
|---|---|---|
| General LLM | #3 · Near-SOTA · General LLM Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #126 · #126 in General LLM Margin 67.02127659574468 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #3 · Near-SOTA · Reasoning Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #113 · #113 in Reasoning Margin 60.638297872340424 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #56 · #56 in Science Margin — Epoch AI benchmarking hub · Jun 9, 2026 | — |
| Coding | #6 · #6 in Coding Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #6 · #6 in Coding › Agentic Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #19 · Was SOTA · Coding › Web dev Margin 14.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #3 · Near-SOTA · Long context Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #88 · #88 in Long context Margin 46.808510638297875 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #5 · Was SOTA · Vision Margin 15.78947368421052 Epoch AI benchmarking hub · Jun 9, 2026 | — |
| Factuality | #7 · Was SOTA · Factuality Margin 4.6511627906976685 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 9, 2026 | — |
Claude Fable 5: $20 per 1M blended tokens.
DeepSeek V3.1 Terminus Thinking: price per 1M tokens is unset in the catalog.
Claude Fable 5: closed weights.
DeepSeek V3.1 Terminus Thinking: open weights.
General LLM: As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in General LLM at #3 against #126.
Reasoning: As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in Reasoning at #3 against #113.
Long context: As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in Long context at #3 against #88.
Claude Fable 5 · DeepSeek V3.1 Terminus Thinking
Claude Fable 5 or DeepSeek V3.1 Terminus Thinking?
As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in 3 of 3 shared categories: General LLM, Reasoning, and Long context.
Claude Fable 5 or DeepSeek V3.1 Terminus Thinking for General LLM?
As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in General LLM at #3 against #126.
Claude Fable 5 or DeepSeek V3.1 Terminus Thinking for Reasoning?
As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in Reasoning at #3 against #113.
Claude Fable 5 or DeepSeek V3.1 Terminus Thinking for Long context?
As of Oct 15, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus Thinking in Long context at #3 against #88.