Claude Opus 5.5 vs Nvidia Nemotron 3 Ultra 550B A55b Nvfp4
As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Opus 5.5
Yes. SOTA in co-SOTA in Reasoning, co-SOTA in Coding, co-SOTA in Coding › Agentic, Coding › Web dev, co-SOTA in Long context and co-SOTA in Factuality.
Nvidia Nemotron 3 Ultra 550B A55b Nvfp4
#83 Best current rank: #83 in General LLM, as of Oct 14, 2026.
| Category | Claude Opus 5.5 | Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 |
|---|---|---|
| General LLM | #2 · Near-SOTA · General LLM Margin 1.3605442176870781 LMArena leaderboard dataset · Oct 13, 2026 | #83 · #83 in General LLM Margin 56.46258503401361 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #1 · Co-SOTA · Reasoning Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #88 · #88 in Reasoning Margin 60.95890410958904 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #31 · #31 in Science Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #1 · SOTA · Coding › Web dev Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #1 · Co-SOTA · Long context Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #89 · #89 in Long context Margin 60.54421768707483 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #4 · Near-SOTA · Vision Margin 13.15789473684211 Epoch AI benchmarking hub · Sep 22, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #83 · #83 in Factuality Margin 62.6865671641791 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 22, 2026 | — |
Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.
Nvidia Nemotron 3 Ultra 550B A55b Nvfp4: price per 1M tokens is unset in the catalog.
Claude Opus 5.5: closed weights.
Nvidia Nemotron 3 Ultra 550B A55b Nvfp4: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in General LLM at #2 against #83.
Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Reasoning at #1 against #88.
Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Long context at #1 against #89.
Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Factuality at #1 against #83.
Claude Opus 5.5 · Nvidia Nemotron 3 Ultra 550B A55b Nvfp4
Claude Opus 5.5 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4?
As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Opus 5.5 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 for General LLM?
As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in General LLM at #2 against #83.
Claude Opus 5.5 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 for Reasoning?
As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Reasoning at #1 against #88.
Claude Opus 5.5 or Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 for Long context?
As of Oct 14, 2026, Claude Opus 5.5 leads Nvidia Nemotron 3 Ultra 550B A55b Nvfp4 in Long context at #1 against #89.