Model comparison
Claude 3.5 Sonnet vs Nemotron 3 Ultra
Head-to-head evidence from 2 shared benchmark results across 2 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Verified leaderboard positions: Claude 3.5 Sonnet unranked; Nemotron 3 Ultra #24
BenchAlign evidence: Claude 3.5 Sonnet estimated; Nemotron 3 Ultra not scored. Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. Claude 3.5 Sonnet and Nemotron 3 Ultra share 2 comparable benchmark results. 2 of 8 categories are comparable. 2 results are unique to Claude 3.5 Sonnet; 37 to Nemotron 3 Ultra.
Updated July 16, 2026- Shared results
- 2
- Claude 3.5 Sonnet only
- 2
- Nemotron 3 Ultra only
- 37
- Comparable categories
- 2 / 8
Pick Nemotron 3 Ultra if you want the stronger benchmark profile. Claude 3.5 Sonnet only becomes the better choice if knowledge is the priority or you would rather avoid the extra latency and token burn of a reasoning model.
Confidence note. This is a partial-evidence comparison with 2 shared benchmark results across 2 evidence categories; 2 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
Nemotron 3 Ultra is clearly ahead on the provisional aggregate, 60 to 39. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Nemotron 3 Ultra's sharpest advantage is in coding, where it averages 58.3 against 49. The single biggest benchmark swing on the page is GPQA, 59.4% to 87%. Claude 3.5 Sonnet does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Claude 3.5 Sonnet is also the more expensive model on tokens at $3.00 input / $15.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Nemotron 3 Ultra. That is roughly Infinityx on output cost alone. Nemotron 3 Ultra is the reasoning model in the pair, while Claude 3.5 Sonnet is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Nemotron 3 Ultra gives you the larger context window at 1M, compared with 200K for Claude 3.5 Sonnet.
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 | Claude 3.5 Sonnet | Δ | Nemotron 3 Ultra |
|---|---|---|---|
| Coding | Claude 3.5 Sonnet49.0 | Margin→ 9.3 | Nemotron 3 Ultra58.3 |
| Knowledge | Claude 3.5 Sonnet59.4 | Margin← 5.2 | Nemotron 3 Ultra54.2 |
| Agentic | Claude 3.5 SonnetNot measured | MarginNo overlap | Nemotron 3 Ultra51.3 |
| Reasoning | Claude 3.5 SonnetNot measured | MarginNo overlap | Nemotron 3 Ultra61.9 |
| Math | Claude 3.5 Sonnet1.6 | MarginNo overlap | Nemotron 3 UltraNot measured |
| Multilingual | Claude 3.5 SonnetNot measured | MarginNo overlap | Nemotron 3 Ultra83.0 |
| Inst. Following | Claude 3.5 SonnetNot measured | MarginNo overlap | Nemotron 3 Ultra81.7 |
Decisive benchmark drivers
The largest measured benchmark gaps in this matchup, with exact reported values.
More
- Source ↗
GPQA
KnowledgeA 59.4%B 87%Winner: Nemotron 3 UltraΔ 27.6GPQA: Claude 3.5 Sonnet scored 59.4%; Nemotron 3 Ultra scored 87%. Nemotron 3 Ultra wins this benchmark. - Source ↗
SWE-bench Verified
CodingA 49%B 71.9%Winner: Nemotron 3 UltraΔ 22.9SWE-bench Verified: Claude 3.5 Sonnet scored 49%; Nemotron 3 Ultra scored 71.9%. Nemotron 3 Ultra wins this benchmark.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | Claude 3.5 Sonnet | Nemotron 3 Ultra | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | Claude 3.5 Sonnet$3 input / $15 output | Nemotron 3 Ultra$0 input / $0 output | Nemotron 3 Ultra has the lower combined listed price. |
| Generation speedtokens per second | Claude 3.5 SonnetNot available | Nemotron 3 UltraNot available | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | Claude 3.5 SonnetNot available | Nemotron 3 UltraNot available | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | Claude 3.5 Sonnet200K | Nemotron 3 Ultra1M | Nemotron 3 Ultra lists the larger context window. |
Benchmark Deep Dive
Agentic12 benchmarks
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra | 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 | — | 3.3% | Not comparable |
CodingNemotron 3 Ultra wins8 benchmarks
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra | Result |
|---|---|---|---|
| SWE-bench VerifiedSource | 49% | 71.9% | Nemotron 3 Ultra leads |
| SWE MultilingualSource | — | 67.7% | Not comparable |
| LiveCodeBench v6Source | — | 89.0% | Not comparable |
| SciCodeSource | — | 44.6% | Not comparable |
| Terminal-Bench 2.0Source | — | 56.4% | Not comparable |
| AA Coding IndexSource | — | 49.3% | Not comparable |
| Terminal-Bench HardSource | — | 36.4% | Not comparable |
| AA-SciCodeSource | — | 39.9% | Not comparable |
Reasoning3 benchmarks
KnowledgeClaude 3.5 Sonnet wins12 benchmarks
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra | Result |
|---|---|---|---|
| GPQASource | 59.4% | 87% | Nemotron 3 Ultra leads |
| 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 |
Math2 benchmarks
Multilingual1 benchmarks
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra | Result |
|---|---|---|---|
| MMLU-ProXSource | — | 83% | Not comparable |
Multimodal1 benchmarks
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra | Result |
|---|---|---|---|
| Design Arena WebsiteSource | — | 1132 | Not comparable |
Frequently Asked Questions (3)
Which is better, Claude 3.5 Sonnet or Nemotron 3 Ultra?
Nemotron 3 Ultra is ahead on BenchLM's provisional leaderboard, 60 to 39. The biggest single separator in this matchup is GPQA, where the scores are 59.4% and 87%.
Which is better for knowledge tasks, Claude 3.5 Sonnet or Nemotron 3 Ultra?
Claude 3.5 Sonnet has the edge for knowledge tasks in this comparison, averaging 59.4 versus 54.2. Inside this category, GPQA is the benchmark that creates the most daylight between them.
Which is better for coding, Claude 3.5 Sonnet or Nemotron 3 Ultra?
Nemotron 3 Ultra has the edge for coding in this comparison, averaging 58.3 versus 49. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
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