Compare · 2026-10-14

Claude Fable 5 vs DeepSeek V3.1 Terminus

As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in 3 of 3 shared categories: General LLM, Reasoning, and Long context.

CategoryClaude Fable 5DeepSeek V3.1 Terminus
General LLM
#3 · Near-SOTA · General LLM
Margin 2.040816326530617
LMArena leaderboard dataset · Oct 13, 2026
#99 · #99 in General LLM
Margin 67.34693877551021
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#3 · Near-SOTA · Reasoning
Margin 2.7397260273972535
LMArena leaderboard dataset · Oct 13, 2026
#108 · #108 in Reasoning
Margin 74.65753424657534
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
#17 · Was SOTA · Coding › Web dev
Margin 14.953271028037378
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#3 · Near-SOTA · Long context
Margin 2.040816326530603
LMArena leaderboard dataset · Oct 13, 2026
#100 · #100 in Long context
Margin 68.02721088435374
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 5.97014925373135
LMArena leaderboard dataset · Oct 13, 2026
—
Abstraction (ARC)
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jun 9, 2026
—
Price per 1M tokens

Claude Fable 5: $20 per 1M blended tokens.

DeepSeek V3.1 Terminus: $0.4525 per 1M blended tokens.

Open weights

Claude Fable 5: closed weights.

DeepSeek V3.1 Terminus: open weights.

Which to pick

General LLM: As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in General LLM at #3 against #99.

Reasoning: As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in Reasoning at #3 against #108.

Long context: As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in Long context at #3 against #100.

Claude Fable 5 · DeepSeek V3.1 Terminus

Claude Fable 5 or DeepSeek V3.1 Terminus?

As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in 3 of 3 shared categories: General LLM, Reasoning, and Long context.

Claude Fable 5 or DeepSeek V3.1 Terminus for General LLM?

As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in General LLM at #3 against #99.

Claude Fable 5 or DeepSeek V3.1 Terminus for Reasoning?

As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in Reasoning at #3 against #108.

Claude Fable 5 or DeepSeek V3.1 Terminus for Long context?

As of Oct 14, 2026, Claude Fable 5 leads DeepSeek V3.1 Terminus in Long context at #3 against #100.