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Nemotron 3 Ultra 550B A55B vs Qwen3.8 Max Preview

NVIDIA · released

Wins 0 of 7 areas

—

Alibaba · released

Wins 7 of 7 areas

Coding · Agents · Reasoning · Facts · Math · Long documents · Following instructions

Qwen3.8 Max Preview is the stronger all-rounder.Nemotron 3 Ultra 550B A55B is cheaper.

Both rank among the ten best models we track in following instructions.

Scores updated · 33 tests both models report · How we compare

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 · $2.70 to write$3.30Price from Artificial Analysis
Qwen3.8 Max Preview$2.00 to read · $6.00 to write$8.00Price from Artificial Analysis

Nemotron 3 Ultra 550B A55B costs 59% less for the same work.

The biggest differences

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

Where Qwen3.8 Max Preview pulls ahead

  • Complex command-line tasks across many fieldsTerminal-Bench 4.0+38.4points aheadQwen3.8 Max Preview38.9Nemotron 3 Ultra 550B A55B0.5
  • Command-line tasks in a real terminalTerminal-Bench 2.1+34.9points aheadQwen3.8 Max Preview88.8Nemotron 3 Ultra 550B A55B53.9
  • Customer-service tasks in a simulated bankτ-Bench V3 · Banking+33.6points aheadQwen3.8 Max Preview47.8Nemotron 3 Ultra 550B A55B14.2

Where Nemotron 3 Ultra 550B A55B pulls ahead

No clear win on a test scored out of 100.

Every test, side by side

All 33 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingQwen3.8 Max Preview

Full coding ranking

AgentsQwen3.8 Max Preview
  • Terminal-Bench 4.0Qwen3.8 Max Preview by 38.40.538.9+38.4
  • τ-Bench V3 · BankingQwen3.8 Max Preview by 33.614.247.8+33.6
  • GDPValQwen3.8 Max Preview by 32.625.758.3+32.6

Full agents ranking

ReasoningQwen3.8 Max Preview

Full reasoning ranking

FactsQwen3.8 Max Preview

Full facts ranking

MathQwen3.8 Max Preview

Full math ranking

Long documentsQwen3.8 Max Preview
  • LongBench v2Qwen3.8 Max Preview by 4.461.966.3+4.4
  • AA-LCRQwen3.8 Max Preview by 179.380.3+1

Full long documents ranking

Following instructionsQwen3.8 Max Preview

Full following instructions ranking

Other results13 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 Qwen3.8 Max Preview?

Qwen3.8 Max Preview wins all seven areas where both have results: coding, agents, reasoning, facts, math, long documents and following instructions. Nemotron 3 Ultra 550B A55B wins none, but costs 59% less.

Which is better for coding?

Qwen3.8 Max Preview. It wins 5 of the 5 coding tests both models report; Nemotron 3 Ultra 550B A55B wins none.

Which is cheaper?

Nemotron 3 Ultra 550B A55B costs $0.60 per million input tokens and $2.70 per million output tokens; Qwen3.8 Max Preview costs $2.00 and $6.00. That makes Nemotron 3 Ultra 550B A55B about 59% cheaper for the same work.

How do you compare the two?

We use the 33 benchmark tests both models have published scores on. The verdict counts the 20 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 13 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.