Model comparison
Nemotron 3 Nano Omni 30B A3B vs o3
Head-to-head evidence from 12 shared benchmark results across 6 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Nemotron 3 Nano Omni 30B A3B #151 (Estimated); o3 #131 (Supported). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Nemotron 3 Nano Omni 30B A3B and o3 share 12 comparable benchmark results. 0 of 8 categories are comparable. 14 results are unique to Nemotron 3 Nano Omni 30B A3B; 4 to o3.
Updated July 18, 2026- Shared results
- 12
- Nemotron 3 Nano Omni 30B A3B only
- 14
- o3 only
- 4
- Comparable categories
- 0 / 8
Benchmark data for Nemotron 3 Nano Omni 30B A3B and o3 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 12 shared benchmark results across 6 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 has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
o3 is priced at $2.00 input / $8.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Nemotron 3 Nano Omni 30B A3B. Nemotron 3 Nano Omni 30B A3B has the larger context window at 256K, compared with 200K for o3.
Category breakdown
Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.
| Category | Nemotron 3 Nano Omni 30B A3B | Δ | o3 |
|---|---|---|---|
| Coding | Nemotron 3 Nano Omni 30B A3B32.0 | MarginNo overlap | o3Not measured |
| Knowledge | Nemotron 3 Nano Omni 30B A3B76.3 | MarginNo overlap | o3Not measured |
| Math | Nemotron 3 Nano Omni 30B A3BNot measured | MarginNo overlap | o314.5 |
| Multimodal | Nemotron 3 Nano Omni 30B A3B76.3 | MarginNo overlap | o3Not measured |
| Inst. Following | Nemotron 3 Nano Omni 30B A3B74.2 | MarginNo overlap | o3Not measured |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Nemotron 3 Nano Omni 30B A3B | o3 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Nemotron 3 Nano Omni 30B A3B$0 input / $0 output | o3$2 input / $8 output | Nemotron 3 Nano Omni 30B A3B has the lower combined listed price. |
| Generation speedtokens per second | Nemotron 3 Nano Omni 30B A3BNot available | o3118 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Nemotron 3 Nano Omni 30B A3BNot available | o35.38 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Nemotron 3 Nano Omni 30B A3B256K | o3200K | Nemotron 3 Nano Omni 30B A3B lists the larger context window. |
Benchmark Deep Dive
Agentic2 benchmarks
Coding2 benchmarks
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Nemotron 3 Nano Omni 30B A3B | o3 | Result |
|---|---|---|---|
| MMLU-ProSource | 77.3% | — | Not comparable |
| GPQASource | 72.2% | — | Not comparable |
| GPQA-DSource | 72.2% | — | Not comparable |
| Artificial Analysis Intelligence IndexSource | 14.9% | 30.4% | o3 leads |
| AA-GPQA DiamondSource | 46.9% | 82.7% | o3 leads |
| AA-HLESource | 5.3% | 20.0% | o3 leads |
| AA-Omniscience IndexSource | -56.0% | -15.3% | o3 leads |
| AA-Omniscience AccuracySource | 14.8% | 38.4% | o3 leads |
| AA-Omniscience Hallucination RateSource | 83.1% | 87.1% | Nemotron 3 Nano Omni 30B A3B leads |
Math4 benchmarks
Multimodal9 benchmarks
| Benchmark | Nemotron 3 Nano Omni 30B A3B | o3 | Result |
|---|---|---|---|
| MMMUSource | 70.8% | — | Not comparable |
| MMLongBench-DocSource | 57.5% | — | Not comparable |
| CharXivSource | 76.3% | — | Not comparable |
| ScreenSpot ProSource | 57.8% | — | Not comparable |
| Video-MME (w/o subtitle)Source | 72.2% | — | Not comparable |
| AI2D_TESTSource | 88.5% | — | Not comparable |
| RefCOCO (avg)Source | 90.5% | — | Not comparable |
| AA-MMMU-ProSource | 53.2% | 70.1% | o3 leads |
| Design Arena WebsiteSource | — | 1069 | Not comparable |
Frequently Asked Questions (3)
Can I compare Nemotron 3 Nano Omni 30B A3B and o3 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 Nano Omni 30B A3B and o3 today?
Nemotron 3 Nano Omni 30B A3B: $0.00 input / $0.00 output per 1M tokens o3: $2.00 input / $8.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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