Model comparison
Nemotron 3 Ultra vs A.X series
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Evidence parity. Nemotron 3 Ultra and A.X series share 0 comparable benchmark results. 0 of 8 categories are comparable. 38 results are unique to Nemotron 3 Ultra; 0 to A.X series.
Updated July 21, 2026- Shared results
- 0
- Nemotron 3 Ultra only
- 38
- A.X series only
- 0
- Comparable categories
- 0 / 8
Benchmark data for Nemotron 3 Ultra and A.X series is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM does not have sourced benchmark coverage for A.X series yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
Nemotron 3 Ultra has the larger context window at 1M, compared with 64K for A.X series.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Nemotron 3 Ultra | A.X series | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Nemotron 3 Ultra$0 input / $0 output | A.X seriesNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Nemotron 3 UltraNot available | A.X seriesNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Nemotron 3 UltraNot available | A.X seriesNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Nemotron 3 Ultra1M | A.X series64K | Nemotron 3 Ultra lists the larger context window. |
Benchmark Deep Dive
Agentic13 benchmarks
| Benchmark | Nemotron 3 Ultra | A.X series | Result |
|---|---|---|---|
| Terminal-Bench 2.0Source | 56.4% | — | Not comparable |
| PinchBenchSource | 90.0% | — | Not comparable |
| BrowseCompSource | 44.4% | — | Not comparable |
| τ³-bench resultsSource | 70.9% | — | Not comparable |
| GDPval-AASource | 33.2% | — | Not comparable |
| HLE w/ toolsSource | 37.4% | — | Not comparable |
| AA Agentic IndexSource | 27.4% | — | Not comparable |
| τ²-bench resultsSource | 83.3% | — | Not comparable |
| GDPval-AASource | 1164 | — | Not comparable |
| AA BriefcaseSource | 870 | — | Not comparable |
| AA EnterpriseOps-GymSource | 28.9% | — | Not comparable |
| AA Harvey LABSource | 81.7% | — | Not comparable |
| terminalBenchHardSource | 36.4% | — | Not comparable |
Coding6 benchmarks
Reasoning3 benchmarks
Knowledge12 benchmarks
| Benchmark | Nemotron 3 Ultra | A.X series | Result |
|---|---|---|---|
| GPQASource | 87% | — | Not comparable |
| GPQA-DSource | 87.0% | — | Not comparable |
| HLESource | 26.7% | — | Not comparable |
| HLE w/o toolsSource | 26.7% | — | Not comparable |
| MMLU-ProSource | 86.8% | — | Not comparable |
| AA-Omniscience AccuracySource | 21.6% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 37.8% | — | Not comparable |
| AA-GPQA DiamondSource | 86.7% | — | Not comparable |
| AA-HLESource | 26.6% | — | Not comparable |
| AA-Omniscience IndexSource | -0.8% | — | Not comparable |
| AA-Omniscience Hallucination RateSource | 28.5% | — | Not comparable |
| AA Openness IndexSource | 83.3% | — | Not comparable |
Multilingual1 benchmarks
| Benchmark | Nemotron 3 Ultra | A.X series | Result |
|---|---|---|---|
| MMLU-ProXSource | 83% | — | Not comparable |
Multimodal1 benchmarks
| Benchmark | Nemotron 3 Ultra | A.X series | Result |
|---|---|---|---|
| Design Arena WebsiteSource | 1129 | — | Not comparable |
Frequently Asked Questions (3)
Can I compare Nemotron 3 Ultra and A.X series on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Nemotron 3 Ultra and A.X series today?
Nemotron 3 Ultra: $0.00 input / $0.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
Related Comparisons
Explore More
Choose a model with this week’s evidence
Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.
One email each week. Unsubscribe anytime.