Claude Opus 4.6 vs DeepSeek V4 Pro
As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in 5 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
DeepSeek V4 Pro
#28 Best recorded rank: #28 in Science, as of Oct 14, 2026.
| Category | Claude Opus 4.6 | DeepSeek V4 Pro |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #44 · #44 in General LLM Margin 29.931972789115648 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #45 · #45 in Reasoning Margin 31.506849315068493 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #28 · #28 in Science Margin — Epoch AI benchmarking hub · Apr 24, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 24, 2026 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | #57 · #57 in Coding › Web dev Margin 52.33644859813084 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #43 · #43 in Long context Margin 29.25170068027211 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | #41 · #41 in Factuality Margin 31.343283582089555 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
DeepSeek V4 Pro: $0.48371999999999993 per 1M blended tokens.
Claude Opus 4.6: closed weights.
DeepSeek V4 Pro: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in General LLM at #4 against #44.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in Reasoning at #2 against #45.
Science: As of Oct 14, 2026, DeepSeek V4 Pro leads Claude Opus 4.6 in Science at #28 against #32.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in Coding › Web dev at #35 against #57.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in Long context at #2 against #43.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in Factuality at #3 against #41.
Claude Opus 4.6 · DeepSeek V4 Pro
Claude Opus 4.6 or DeepSeek V4 Pro?
As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in 5 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or DeepSeek V4 Pro for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in General LLM at #4 against #44.
Claude Opus 4.6 or DeepSeek V4 Pro for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro in Reasoning at #2 against #45.
Claude Opus 4.6 or DeepSeek V4 Pro for Science?
As of Oct 14, 2026, DeepSeek V4 Pro leads Claude Opus 4.6 in Science at #28 against #32.