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Nemotron 3 Ultra 550B A55B vs Qwen3.6 Plus

NVIDIA · released

Wins 2 of 7 areas

Long documents · Following instructions

Alibaba · released

Wins 4 of 7 areas

Coding · Agents · Reasoning · Facts

Qwen3.6 Plus wins more areas, narrowly.Nemotron 3 Ultra 550B A55B is cheaper and better at following instructions.

Scores updated · 39 tests both models report · How we compare

Where each one wins

Tests won in each of the seven areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.

What it costs

Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.

Nemotron 3 Ultra 550B A55B$0.60 to read · $2.50 to write$3.10Price from Artificial Analysis
Qwen3.6 Plus$0.50 to read · $3.00 to write$3.50Price from Artificial Analysis

Nemotron 3 Ultra 550B A55B costs 11% less for the same work.

The biggest differences

The three tests each model wins by the widest margin. Scores are out of 100.

Where Qwen3.6 Plus pulls ahead

  • Multi-step tasks using many real software toolsMCP Atlas+29.4points aheadQwen3.6 Plus74.1Nemotron 3 Ultra 550B A55B44.7
  • Short factual questions, answered correctlySimpleQA Verified+11.7points aheadQwen3.6 Plus44.1Nemotron 3 Ultra 550B A55B32.4
  • Harvard-MIT high-school math contest problemsHMMT Feb. 2026+9points aheadQwen3.6 Plus87.8Nemotron 3 Ultra 550B A55B78.8

Where Nemotron 3 Ultra 550B A55B pulls ahead

  • Follows detailed instructions exactlyLiveBench · Instruction Following+15.2points aheadNemotron 3 Ultra 550B A55B73.5Qwen3.6 Plus58.3
  • Olympiad math problems with short answersIMOAnswerBench+8.5points aheadNemotron 3 Ultra 550B A55B92.3Qwen3.6 Plus83.8
  • Follows unfamiliar, precisely checkable instructionsIFBench+6.2points aheadNemotron 3 Ultra 550B A55B81.4Qwen3.6 Plus75.2

Every test, side by side

All 39 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingQwen3.6 Plus

Full coding ranking

AgentsQwen3.6 Plus

Full agents ranking

ReasoningQwen3.6 Plus

Full reasoning ranking

FactsQwen3.6 Plus

Full facts ranking

MathEven

Full math ranking

Long documentsNemotron 3 Ultra 550B A55B

Full long documents ranking

Following instructionsNemotron 3 Ultra 550B A55B

Full following instructions ranking

Other results12 tests, not counted

Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.

Questions people ask

Which is better, Nemotron 3 Ultra 550B A55B or Qwen3.6 Plus?

Qwen3.6 Plus wins four of the seven areas where both have results: coding, agents, reasoning and facts. Nemotron 3 Ultra 550B A55B wins long documents and following instructions, and costs 11% less. They are level on math.

Which is better for coding?

Qwen3.6 Plus. It wins 7 of the 9 coding tests both models report; Nemotron 3 Ultra 550B A55B wins 1, and 1 is a tie.

Which is cheaper?

Nemotron 3 Ultra 550B A55B costs $0.60 per million input tokens and $2.50 per million output tokens; Qwen3.6 Plus costs $0.50 and $3.00. That makes Nemotron 3 Ultra 550B A55B about 11% cheaper for the same work.

How do you compare the two?

We use the 39 benchmark tests both models have published scores on. The verdict counts the 27 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 12 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.

Compare Nemotron 3 Ultra 550B A55B with

Compare Qwen3.6 Plus with

Alibaba

Across the field

All comparisons