Model comparison
Composer 2 vs Nemotron 3 Nano Omni 30B A3B
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: Composer 2 unranked (Not scored); Nemotron 3 Nano Omni 30B A3B #159 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Composer 2 and Nemotron 3 Nano Omni 30B A3B share 0 comparable benchmark results. 1 of 8 categories are comparable. 5 results are unique to Composer 2; 29 to Nemotron 3 Nano Omni 30B A3B.
Updated July 27, 2026- Shared results
- 0
- Composer 2 only
- 5
- Nemotron 3 Nano Omni 30B A3B only
- 29
- Comparable categories
- 1 / 8
Treat this as a split decision. Composer 2 makes more sense if coding is the priority; Nemotron 3 Nano Omni 30B A3B is the better fit if you want the cheaper token bill or you need the larger 256K context window.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Composer 2 and Nemotron 3 Nano Omni 30B A3B finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.
Composer 2 is also the more expensive model on tokens at $0.50 input / $2.50 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Nemotron 3 Nano Omni 30B A3B. That is roughly Infinityx on output cost alone. Nemotron 3 Nano Omni 30B A3B gives you the larger context window at 256K, compared with 200K for Composer 2.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Composer 2 | Nemotron 3 Nano Omni 30B A3B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Composer 2$0.5 input / $2.5 output | Nemotron 3 Nano Omni 30B A3B$0 input / $0 output | Nemotron 3 Nano Omni 30B A3B has the lower combined listed price. |
| Generation speedtokens per second | Composer 2Not available | Nemotron 3 Nano Omni 30B A3BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Composer 2Not available | Nemotron 3 Nano Omni 30B A3BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Composer 2200K | Nemotron 3 Nano Omni 30B A3B256K | Nemotron 3 Nano Omni 30B A3B lists the larger context window. |
Benchmark Deep Dive
Agentic5 benchmarks
CodingComposer 2 wins7 benchmarks
| Benchmark | Composer 2 | Nemotron 3 Nano Omni 30B A3B | Result |
|---|---|---|---|
| SWE MultilingualSource | 73.7% | — | Not comparable |
| SWE-RebenchSource | 58% | — | Not comparable |
| React Native EvalsSource | 96.1% | — | Not comparable |
| Terminal-Bench 2.0Source | 61.7% | — | Not comparable |
| SciCodeSource | — | 32% | Not comparable |
| AA-SciCodeSource | — | 27.8% | Not comparable |
| AA Coding IndexSource | — | 13.8% | Not comparable |
Reasoning2 benchmarks
Knowledge9 benchmarks
| Benchmark | Composer 2 | Nemotron 3 Nano Omni 30B A3B | Result |
|---|---|---|---|
| MMLU-ProSource | — | 77.3% | Not comparable |
| GPQASource | — | 72.2% | Not comparable |
| GPQA-DSource | — | 72.2% | Not comparable |
| Artificial Analysis Intelligence IndexSource | — | 14.9% | Not comparable |
| AA-GPQA DiamondSource | — | 46.9% | Not comparable |
| AA-HLESource | — | 5.3% | Not comparable |
| AA-Omniscience IndexSource | — | -56.0% | Not comparable |
| AA-Omniscience AccuracySource | — | 14.8% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 83.1% | Not comparable |
Math1 benchmarks
| Benchmark | Composer 2 | Nemotron 3 Nano Omni 30B A3B | Result |
|---|---|---|---|
| AIME 2025Source | — | 82.1% | Not comparable |
Multimodal8 benchmarks
| Benchmark | Composer 2 | Nemotron 3 Nano Omni 30B A3B | 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% | Not comparable |
Frequently Asked Questions (2)
Which is better, Composer 2 or Nemotron 3 Nano Omni 30B A3B?
Composer 2 and Nemotron 3 Nano Omni 30B A3B are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.
Which is better for coding, Composer 2 or Nemotron 3 Nano Omni 30B A3B?
Composer 2 has the edge for coding in this comparison, averaging 58 versus 32. Nemotron 3 Nano Omni 30B A3B stays close enough that the answer can still flip depending on your workload.
Related Comparisons
Explore More
Know when it’s worth switching models
The model to choose, the cheaper alternative, and the release we would wait on.
One email each week. Unsubscribe anytime.