Compare / Nemotron 3 Nano 30B A3B vs Grok 4.5

Nemotron 3 Nano 30B A3B vs Grok 4.5

Which is cheaper, which is more capable, and which does better at each kind of work, from 19 results on 3 sources that measured both models.

Nemotron 3 Nano 30B A3B
NVIDIA · profile
Grok 4.5
xAI · profile
Results compared
19
Shared sources
3

Nemotron 3 Nano 30B A3B or Grok 4.5? The short answer

  • Nemotron 3 Nano 30B A3B is cheaper: $0.088 against $3.00 per million tokens, 34 times less.
  • Grok 4.5 scores higher on the Artificial Analysis Intelligence Index: 38.8 against 8.9.
  • On our business benchmarks, Grok 4.5 ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

At a glance

Nemotron 3 Nano 30B A3BGrok 4.5
Price per million tokens$0.050 in · $0.20 out$2.00 in · $6.00 out
Blended (3 in : 1 out)$0.088$3.00
Cheapest host, blended$0.088 (Crusoe, FP8)$3.00 (xAI)
Intelligence Index8.938.8
Spring Prompt overall––
Output speed, tokens a second220–
Context window262,144 tokens500,000 tokens
WeightsOpenClosed
Developer based inthe USthe US

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.

Use caseNemotron 3 Nano 30B A3BGrok 4.5
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 145 of 161 43 of 161
Professional workReal tasks from banking, consulting and law, business documents and freelance projects not measured 26 of 51
Reasoning and knowledgeHard questions across science, maths and general knowledge 130 of 195 22 of 195
WritingWhat people prefer in blind comparisons, and judged writing quality 169 of 187 38 of 187
Sticking to the factsSummarising without inventing things, and factual answers 121 of 153 43 of 153

Every shared result

BenchmarkMetricNemotron 3 Nano 30B A3BGrok 4.5
Arena (formerly LMArena)reportedOverallArena rating 1,3621,465
Arena (formerly LMArena)reportedBusiness, management and financeArena rating 1,3171,465
Arena (formerly LMArena)reportedCreative writingArena rating 1,2411,452
Arena (formerly LMArena)reportedExpert promptsArena rating 1,3311,488
Arena (formerly LMArena)reportedInstruction followingArena rating 1,2911,462
Arena (formerly LMArena)reportedOverallArena rating 1,3131,465
Arena (formerly LMArena)reportedWriting, literature and languageArena rating 1,2671,459
Artificial AnalysisreportedArtificial Analysis Coding Indexindex score 14.472.4
Artificial AnalysisreportedArtificial Analysis Intelligence Indexindex score 8.9038.8
Artificial AnalysisreportedGPQA Diamond% of questions 75.7%93.1%
Artificial AnalysisreportedHumanity's Last Exam% of questions 11.4%42.7%
Artificial AnalysisreportedLong-context reasoning (AA-LCR)% of questions 38.0%79.3%
Artificial AnalysisreportedSciCode% of problems 30.6%55.0%
Artificial AnalysisreportedTerminal-Bench 2.1% of tasks 6.7%81.6%
Artificial AnalysisreportedTerminal-Bench 4.0% of tasks 0.0%10.6%
Artificial AnalysisreportedΤ-bench banking% of tasks 6.0%42.1%
UGI LeaderboardreportedRequested-length error% off the requested word count 35.0%21.0%
UGI LeaderboardreportedStyle adherencescore from 0 to 1 0.280.32
UGI LeaderboardreportedWriting scorescore out of 100 25.960.0

Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.

Quick answers

Is Nemotron 3 Nano 30B A3B better than Grok 4.5?

It depends on the task. Among models available today, on our benchmarks and licensed sources, Grok 4.5 ranks higher for agents and tool use, reasoning and knowledge, writing and sticking to the facts.

Which is cheaper, Nemotron 3 Nano 30B A3B or Grok 4.5?

Nemotron 3 Nano 30B A3B costs $0.088 per million tokens (three input to one output), against $3.00 for Grok 4.5.

Run Nemotron 3 Nano 30B A3B and Grok 4.5 on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.