Compare · 2026-10-14

Claude Opus 4.6 vs Nvidia Nemotron 3 Ultra 550B A55b Nvfp4

As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.

CategoryClaude Opus 4.6Nvidia Nemotron 3 Ultra 550B A55b Nvfp4
General LLM
#4 · Near-SOTA · General LLM
Margin 2.7210884353741562
LMArena leaderboard dataset · Oct 13, 2026
#83 · #83 in General LLM
Margin 56.46258503401361
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#2 · Near-SOTA · Reasoning
Margin 2.0547945205479436
LMArena leaderboard dataset · Oct 13, 2026
#88 · #88 in Reasoning
Margin 60.95890410958904
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 —
Epoch AI benchmarking hub · Feb 5, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Web dev
#35 · Was SOTA · Coding › Web dev
Margin 31.775700934579433
LMArena leaderboard dataset · Oct 13, 2026
—
Long context
#2 · Near-SOTA · Long context
Margin 0.6802721088435391
LMArena leaderboard dataset · Oct 13, 2026
#89 · #89 in Long context
Margin 60.54421768707483
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
#83 · #83 in Factuality
Margin 62.6865671641791
LMArena leaderboard dataset · Oct 13, 2026
Price per 1M tokens

Claude Opus 4.6: $10 per 1M blended tokens.

Nvidia Nemotron 3 Ultra 550B A55b Nvfp4: price per 1M tokens is unset in the catalog.

Open weights

Claude Opus 4.6: closed weights.

Nvidia Nemotron 3 Ultra 550B A55b Nvfp4: open weights.

Which to pick

General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in General LLM at #4 against #83.

Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Reasoning at #2 against #88.

Long context: As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Long context at #2 against #89.

Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Factuality at #3 against #83.

Claude Opus 4.6 · Nvidia Nemotron 3 Ultra 550B A55b Nvfp4

Claude Opus 4.6 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4?

As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.

Claude Opus 4.6 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 for General LLM?

As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in General LLM at #4 against #83.

Claude Opus 4.6 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 for Reasoning?

As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Reasoning at #2 against #88.

Claude Opus 4.6 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 for Long context?

As of Oct 14, 2026, Claude Opus 4.6 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Long context at #2 against #89.