AI Calculator Pro

Nemotron 3 Ultra 550B A55B vs o3

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Nemotron 3 Ultra 550B A55B is cheaper by about $360.00/month.

Nemotron 3 Ultra 550B A55Bo3
Providernvidiaopenai
Input / 1M$0.6000$2.00
Output / 1M$3.60$8.00
Per request (sample)$0.00240$0.00600
Monthly (sample)$240.00$600.00
Context window1,000,000200,000
VisionNoYes
ReasoningYesYes
Arena · Overall1422
Arena · Coding1428
Arena · Math & reasoning1435
Arena · Agentic / tool use1410

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Nemotron 3 Ultra 550B A55B and o3 are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: Nemotron 3 Ultra 550B A55B at $240.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Nemotron 3 Ultra 550B A55BNvidia$0.00240$240.00$2,880.001,000,000
o3OpenAI$0.00600$600.00$7,200.00200,000

FAQ

Which is cheaper, Nemotron 3 Ultra 550B A55B or o3?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Nemotron 3 Ultra 550B A55B is cheaper, costing about $240.00/month versus $600.00/month.

What is the context window of Nemotron 3 Ultra 550B A55B and o3?

Nemotron 3 Ultra 550B A55B supports 1,000,000 tokens, while o3 supports 200,000 tokens.

Estimates for planning only. Verify current pricing with each provider.