Claude Opus 4.6 vs DeepSeek V4 Pro High Preview
As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in 5 of 5 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 High Preview
#59 Best current rank: #59 in Coding › Web dev, as of Oct 15, 2026.
| Category | Claude Opus 4.6 | DeepSeek V4 Pro High Preview |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #64 · #64 in General LLM Margin 34.04255319148936 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #70 · #70 in Reasoning Margin 37.765957446808514 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 | — |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #37 · Was SOTA · Coding › Web dev Margin 28.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 | #59 · #59 in Coding › Web dev Margin 46.4 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.5319148936170421 LMArena leaderboard dataset · Oct 13, 2026 | #62 · #62 in Long context Margin 32.97872340425532 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.3255813953488342 LMArena leaderboard dataset · Oct 13, 2026 | #63 · #63 in Factuality Margin 37.20930232558139 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
DeepSeek V4 Pro High Preview: price per 1M tokens is unset in the catalog.
Claude Opus 4.6: closed weights.
DeepSeek V4 Pro High Preview: open weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in General LLM at #4 against #64.
Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in Reasoning at #2 against #70.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in Coding › Web dev at #37 against #59.
Long context: As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in Long context at #2 against #62.
Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in Factuality at #3 against #63.
Claude Opus 4.6 · DeepSeek V4 Pro High Preview
Claude Opus 4.6 or DeepSeek V4 Pro High Preview?
As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or DeepSeek V4 Pro High Preview for General LLM?
As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in General LLM at #4 against #64.
Claude Opus 4.6 or DeepSeek V4 Pro High Preview for Reasoning?
As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in Reasoning at #2 against #70.
Claude Opus 4.6 or DeepSeek V4 Pro High Preview for Coding › Web dev?
As of Oct 15, 2026, Claude Opus 4.6 leads DeepSeek V4 Pro High Preview in Coding › Web dev at #37 against #59.