Model comparison
Nemotron Ultra 253B vs Qwen3.6-35B-A3B
Head-to-head evidence from 12 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Verified leaderboard positions: Nemotron Ultra 253B unranked; Qwen3.6-35B-A3B #31
BenchAlign evidence: Nemotron Ultra 253B estimated; Qwen3.6-35B-A3B estimated. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Nemotron Ultra 253B and Qwen3.6-35B-A3B share 12 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to Nemotron Ultra 253B; 46 to Qwen3.6-35B-A3B.
Updated July 15, 2026- Shared results
- 12
- Nemotron Ultra 253B only
- 0
- Qwen3.6-35B-A3B only
- 46
- Comparable categories
- 0 / 8
Benchmark data for Nemotron Ultra 253B and Qwen3.6-35B-A3B is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 12 shared benchmark results across 5 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.
Qwen3.6-35B-A3B has the larger context window at 262K, compared with 32K for Nemotron Ultra 253B.
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 Ultra 253B | Δ | Qwen3.6-35B-A3B |
|---|---|---|---|
| Agentic | Nemotron Ultra 253BNot measured | MarginNo overlap | Qwen3.6-35B-A3B51.5 |
| Coding | Nemotron Ultra 253BNot measured | MarginNo overlap | Qwen3.6-35B-A3B73.8 |
| Knowledge | Nemotron Ultra 253BNot measured | MarginNo overlap | Qwen3.6-35B-A3B51.8 |
| Math | Nemotron Ultra 253BNot measured | MarginNo overlap | Qwen3.6-35B-A3B88.2 |
| Multimodal | Nemotron Ultra 253BNot measured | MarginNo overlap | Qwen3.6-35B-A3B76.3 |
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Nemotron Ultra 253B | Qwen3.6-35B-A3B | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Nemotron Ultra 253B$0 input / $0 output | Qwen3.6-35B-A3BNot available | A complete price comparison is not available. |
| Generation speedtokens per second | Nemotron Ultra 253BNot available | Qwen3.6-35B-A3BNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Nemotron Ultra 253BNot available | Qwen3.6-35B-A3BNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Nemotron Ultra 253B32K | Qwen3.6-35B-A3B262K | Qwen3.6-35B-A3B lists the larger context window. |
Benchmark Deep Dive
Agentic15 benchmarks
| Benchmark | Nemotron Ultra 253B | Qwen3.6-35B-A3B | Result |
|---|---|---|---|
| τ²-bench resultsSource | 11.4% | 95.3% | Qwen3.6-35B-A3B leads |
| Terminal-Bench 2.0Source | — | 51.5% | Not comparable |
| Claw-EvalSource | — | 68.7% | Not comparable |
| QwenClawBenchSource | — | 52.6% | Not comparable |
| QwenWebBenchSource | — | 1397 | Not comparable |
| τ³-bench resultsSource | — | 67.2% | Not comparable |
| VITA-BenchSource | — | 35.6% | Not comparable |
| DeepPlanningSource | — | 25.9% | Not comparable |
| ToolathlonSource | — | 26.9% | Not comparable |
| MCP AtlasSource | — | 62.8% | Not comparable |
| WideResearchSource | — | 60.1% | Not comparable |
| AA Agentic IndexSource | — | 21.4% | Not comparable |
| GDPval-AASource | — | 27.4% | Not comparable |
| GDPval-AASource | — | 1049 | Not comparable |
| Gert LabsSource | — | 42.65% | Not comparable |
Coding9 benchmarks
| Benchmark | Nemotron Ultra 253B | Qwen3.6-35B-A3B | Result |
|---|---|---|---|
| Terminal-Bench HardSource | 2.3% | 34.8% | Qwen3.6-35B-A3B leads |
| AA-SciCodeSource | 34.7% | 35.8% | Qwen3.6-35B-A3B leads |
| SWE-bench VerifiedSource | — | 73.4% | Not comparable |
| SWE MultilingualSource | — | 67.2% | Not comparable |
| SWE-bench ProSource | — | 49.5% | Not comparable |
| Terminal-Bench 2.0Source | — | 51.5% | Not comparable |
| LiveCodeBenchSource | — | 80.4% | Not comparable |
| NL2RepoSource | — | 29.4% | Not comparable |
| AA Coding IndexSource | — | 41.9% | Not comparable |
Reasoning2 benchmarks
Knowledge11 benchmarks
| Benchmark | Nemotron Ultra 253B | Qwen3.6-35B-A3B | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | 9.1% | 31.6% | Qwen3.6-35B-A3B leads |
| AA-GPQA DiamondSource | 72.8% | 84.1% | Qwen3.6-35B-A3B leads |
| AA-HLESource | 8.1% | 20.2% | Qwen3.6-35B-A3B leads |
| AA-Omniscience IndexSource | -45.5% | -21.4% | Qwen3.6-35B-A3B leads |
| AA-Omniscience AccuracySource | 19.9% | 18.9% | Nemotron Ultra 253B leads |
| AA-Omniscience Hallucination RateSource | 81.7% | 49.7% | Qwen3.6-35B-A3B leads |
| MMLU-ProSource | — | 85.2% | Not comparable |
| SuperGPQASource | — | 64.7% | Not comparable |
| C-EvalSource | — | 90% | Not comparable |
| GPQASource | — | 86% | Not comparable |
| HLESource | — | 21.4% | Not comparable |
Math5 benchmarks
Multimodal15 benchmarks
| Benchmark | Nemotron Ultra 253B | Qwen3.6-35B-A3B | Result |
|---|---|---|---|
| MMMUSource | — | 81.7% | Not comparable |
| MMMU-ProSource | — | 75.3% | Not comparable |
| RealWorldQASource | — | 85.3% | Not comparable |
| OmniDocBench 1.5Source | — | 89.9% | Not comparable |
| CharXivSource | — | 78% | Not comparable |
| SimpleVQASource | — | 58.9% | Not comparable |
| CC-OCRSource | — | 81.9% | Not comparable |
| AI2D_TESTSource | — | 92.7% | Not comparable |
| RefCOCO (avg)Source | — | 92.0% | Not comparable |
| ODINW13Source | — | 50.8% | Not comparable |
| Video-MME (with subtitle)Source | — | 86.6% | Not comparable |
| Video-MME (w/o subtitle)Source | — | 82.5% | Not comparable |
| VideoMMMUSource | — | 83.7% | Not comparable |
| MLVU (M-Avg)Source | — | 86.2% | Not comparable |
| AA-MMMU-ProSource | — | 75.0% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | Nemotron Ultra 253B | Qwen3.6-35B-A3B | Result |
|---|---|---|---|
| AA-IFBenchSource | 38.2% | 64.4% | Qwen3.6-35B-A3B leads |
Frequently Asked Questions (3)
Can I compare Nemotron Ultra 253B and Qwen3.6-35B-A3B 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 Ultra 253B and Qwen3.6-35B-A3B today?
Nemotron Ultra 253B: $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.
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