Long documents
Prompts that approach the documented context limit
Nemotron 3 Ultra
Nemotron 3 Ultra has the larger documented context window.
Confidence: documented
DeepSeek V3.1 (Reasoning) vs Nemotron 3 Ultra
Updated October 14, 2026. Rank says Nemotron 3 Ultra is ahead. Price, access, and your workload can each overturn that. Public scores include evidence status and uncertainty.
Both of these models will change. Get the price, version and retirement notices for the pair, each with its source. Follow model changes
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Decision reading
Nemotron 3 Ultra has the higher public point estimate, 47.25 versus 39.24. Their conditional score ranges overlap. These ranges do not establish rank confidence. 3 results are shared. Category rows resting on Estimated evidence or different benchmark sets are marked directional and do not name a winner.
Model A
DeepSeek
39.24/100
Estimated · Public rank #137
Conditional range 29.5–49.0
- Shared results
- 3
- DeepSeek V3.1 (Reasoning) only
- 3
- Nemotron 3 Ultra only
- 21
- Like-for-like categories
- 0 / 8
Estimated: DeepSeek V3.1 (Reasoning) and Nemotron 3 Ultra. Conditional ranges do not establish rank confidence.How the comparison works
Which one for your work
Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.
Show secondary and unsupported calls
Coding work
Code generation, repair, and software-engineering tasks
Not enough matched evidence
DeepSeek V3.1 (Reasoning) is not ranked on the public lane for coding, so no winner is named for coding.
Confidence: limitedAgentic work
Tool use, computer use, and multi-step task completion
Not enough matched evidence
DeepSeek V3.1 (Reasoning) is not ranked on the public lane for agentic, so no winner is named for agentic.
Confidence: limitedChat turn cost
1K fresh input + 500 output tokens
Not enough matched evidence
A complete comparable API-rate estimate is not available for both models.
Confidence: listed-ratesCache-heavy agent loop cost
200K cached + 20K fresh input + 10K output tokens
Not enough matched evidence
The page does not recommend a cost winner because at least one model cannot fit the stated workload in one request. DeepSeek V3.1 (Reasoning) does not fit this workload in one request. DeepSeek V3.1 (Reasoning) has no comparable published API token rate. Nemotron 3 Ultra has no comparable published API token rate.
Confidence: listed-ratesRepository review cost
50K fresh input + 3K output tokens
Not enough matched evidence
A complete comparable API-rate estimate is not available for both models.
Confidence: listed-rates
Which one for a specific job
Choose a job from the LLM Selector's task catalog to see the category row it rests on, under the same basis rules as the table below. A directional row stays directional; choosing a job never creates a winner.
The same task catalog as the LLM Selector. Each job names the evidence surface it rests on; nothing here adds a new score.
—DeepSeek V3.1 (Reasoning)21.9Nemotron 3 Ultra
Not comparable · BenchAlign v5.8
The coding row is not comparable on the public lane: at least one model is not measured or not ranked there.
Coding scores combine specific tasks and setups. Match the editor, harness, and effort to your workflow.
Same basis rules as the category table below
What is actually comparable
Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.
3 DeepSeek V3.1 (Reasoning) only
3 Shared
21 Nemotron 3 Ultra only
2 categories rest on Estimated evidence or different evidence sets. Those rows remain visible for coverage context but do not name a winner.
Shape of the matched evidence
Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.
Too few matched category axes support a radar. The ruled list below shows only shared benchmark results; positions use each benchmark’s normalized display scale when available.
HLEKnowledge
Normalized gap 10.8DeepSeek V3.1 (Reasoning):15.9%Nemotron 3 Ultra:26.7%GPQAKnowledge
Normalized gap 6.9DeepSeek V3.1 (Reasoning):80.1%Nemotron 3 Ultra:87%MMLU-ProKnowledge
Normalized gap 2.0DeepSeek V3.1 (Reasoning):84.8%Nemotron 3 Ultra:86.8%
Bars run 0–100 on each benchmark’s normalized display scale
Category results, on a stated basis
Each row shows the public-lane category score for both models: the BenchAlign v5.8 lane for agentic, coding, and knowledge, and the weighted public rows elsewhere, with the same rank each model page reports. A row is like-for-like only when both scores rest on Supported evidence or the same weighted set. Directional and not-comparable rows remain visible, but they never receive a winner.
Knowledge
Directional only- DeepSeek V3.1 (Reasoning)
- 40.6
- Supported · #114/181
- Nemotron 3 Ultra
- 50.4
- Estimated · #77/181
- Basis
- BenchAlign v5.8 lane · 3 vs 7 public rows
- Reading
- Directional only
Instruction following
Directional only- DeepSeek V3.1 (Reasoning)
- 48.4
- #91/144
- Nemotron 3 Ultra
- 92.1
- #20/144
- Basis
- Provisional lane · 0 vs 1 weighted rows
- Reading
- Directional only
Agentic
Not comparable- DeepSeek V3.1 (Reasoning)
- Not ranked
- Nemotron 3 Ultra
- 28.2
- Supported · #95/125
- Basis
- BenchAlign v5.8 lane · 0 vs 6 public rows
- Reading
- Not comparable
Coding
Not comparable- DeepSeek V3.1 (Reasoning)
- Not ranked
- Nemotron 3 Ultra
- 21.9
- Supported · #115/149
- Basis
- BenchAlign v5.8 lane · 1 vs 7 public rows
- Reading
- Not comparable
Reasoning
Not comparable- DeepSeek V3.1 (Reasoning)
- 64.8
- Unranked · 2 rankable rows
- Nemotron 3 Ultra
- 70.8
- #20/29
- Basis
- Provisional lane · 0 vs 1 weighted rows
- Reading
- Not comparable
Multimodal
Not comparable- DeepSeek V3.1 (Reasoning)
- Not ranked
- Nemotron 3 Ultra
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
Multilingual
Not comparable- DeepSeek V3.1 (Reasoning)
- Not ranked
- Nemotron 3 Ultra
- 89.2
- #7/17
- Basis
- Provisional lane · 0 vs 1 weighted rows
- Reading
- Not comparable
Math
Not comparable- DeepSeek V3.1 (Reasoning)
- Not ranked
- Nemotron 3 Ultra
- Not ranked
- Basis
- Provisional lane · 0 vs 0 weighted rows
- Reading
- Not comparable
| Category | DeepSeek V3.1 (Reasoning) | Nemotron 3 Ultra | Basis | Reading |
|---|---|---|---|---|
| Knowledge | 40.6Supported · #114/181 | 50.4Estimated · #77/181 | Directional onlyBenchAlign v5.8 lane · 3 vs 7 public rows | Directional only |
| Instruction following | 48.4#91/144 | 92.1#20/144 | Directional onlyProvisional lane · 0 vs 1 weighted rows | Directional only |
| Agentic | Not ranked | 28.2Supported · #95/125 | Not comparableBenchAlign v5.8 lane · 0 vs 6 public rows | Not comparable |
| Coding | Not ranked | 21.9Supported · #115/149 | Not comparableBenchAlign v5.8 lane · 1 vs 7 public rows | Not comparable |
| Reasoning | 64.8Unranked · 2 rankable rows | 70.8#20/29 | Not comparableProvisional lane · 0 vs 1 weighted rows | Not comparable |
| Multimodal | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
| Multilingual | Not ranked | 89.2#7/17 | Not comparableProvisional lane · 0 vs 1 weighted rows | Not comparable |
| Math | Not ranked | Not ranked | Not comparableProvisional lane · 0 vs 0 weighted rows | Not comparable |
Ranks count the models scored in each category’s lane, so the agentic, coding, and knowledge denominators (BenchAlign v5.8) differ from the provisional-lane categories. Unranked scores sit on the provisional lane’s scale but never name a winner. Like-for-like rows within 0.5 points read as a practical tie.
Supported evidence per lane · bars run 0–100Methodology
What each workload costs
Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.
Chat turn
1K fresh input + 500 output tokens
- DeepSeek V3.1 (Reasoning)
- Self-hosted; infrastructure cost varies
- Fits in one request
- Nemotron 3 Ultra
- Self-hosted; infrastructure cost varies
- Fits in one request
DeepSeek V3.1 (Reasoning) has no comparable published API token rate. Nemotron 3 Ultra has no comparable published API token rate.
Repository review
50K fresh input + 3K output tokens
- DeepSeek V3.1 (Reasoning)
- Self-hosted; infrastructure cost varies
- Fits in one request
- Nemotron 3 Ultra
- Self-hosted; infrastructure cost varies
- Fits in one request
DeepSeek V3.1 (Reasoning) has no comparable published API token rate. Nemotron 3 Ultra has no comparable published API token rate.
Cache-heavy agent loop
200K cached + 20K fresh input + 10K output tokens
- DeepSeek V3.1 (Reasoning)
- Self-hosted; infrastructure cost varies
- Does not fit in one request
- Cached-input rate unavailable
- Nemotron 3 Ultra
- Self-hosted; infrastructure cost varies
- Fits in one request
- Cached-input rate unavailable
DeepSeek V3.1 (Reasoning) does not fit this workload in one request. DeepSeek V3.1 (Reasoning) has no comparable published API token rate. Nemotron 3 Ultra has no comparable published API token rate.
Cached input falls back to the list input rate only where a cached rate is unpublished
Specification differences
Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.
SpecificationDeepSeek V3.1 (Reasoning)Nemotron 3 Ultra
Context window
Maximum documented context; output-token limits may be lower.
DeepSeek V3.1 (Reasoning)
128K
Nemotron 3 Ultra
1M
API model ID
DeepSeek V3.1 (Reasoning)
Not sourced
Nemotron 3 Ultra
Not sourced
Cached-input rate
A missing cached-input rate falls back to the listed input rate only in the stated workload estimate.
DeepSeek V3.1 (Reasoning)
No comparable hosted API rate
Nemotron 3 Ultra
No comparable hosted API rate
Documented inputs
DeepSeek V3.1 (Reasoning)
Not sourced
Nemotron 3 Ultra
Not sourced
Documented outputs
DeepSeek V3.1 (Reasoning)
Not sourced
Nemotron 3 Ultra
Not sourced
Provider availability
DeepSeek V3.1 (Reasoning)
Not sourced
Nemotron 3 Ultra
Not sourced
Reasoning profile
DeepSeek V3.1 (Reasoning)
Reasoning
Nemotron 3 Ultra
Reasoning
Weight access
DeepSeek V3.1 (Reasoning)
Open Weight
Nemotron 3 Ultra
Open Weight
License
DeepSeek V3.1 (Reasoning)
Open Weight
Nemotron 3 Ultra
Open Weight
Release date
DeepSeek V3.1 (Reasoning)
2025-08-21
Nemotron 3 Ultra
2026-06-04
If you already use one of these models
- Deployment change
- The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
- Quality signal
- Nemotron 3 Ultra has the higher public point estimate, 47.25 versus 39.24. Their conditional score ranges overlap. These ranges do not establish rank confidence.
- Workload cost
- A complete comparable API-rate estimate is not available for both models.
- Context tradeoff
- Nemotron 3 Ultra has the larger documented window (1M).
Run the same representative tasks against both endpoints before changing production traffic.
Questions
Which is better, DeepSeek V3.1 (Reasoning) or Nemotron 3 Ultra?
Nemotron 3 Ultra has the higher public point estimate, 47.25 versus 39.24. Their conditional score ranges overlap. These ranges do not establish rank confidence. The page therefore keeps the decision tied to the specific documented workload.
Which is better for coding, DeepSeek V3.1 (Reasoning) or Nemotron 3 Ultra?
DeepSeek V3.1 (Reasoning) is not ranked on the public lane for coding, so no winner is named for coding.
Which is better for agentic tasks, DeepSeek V3.1 (Reasoning) or Nemotron 3 Ultra?
DeepSeek V3.1 (Reasoning) is not ranked on the public lane for agentic tasks, so no winner is named for agentic tasks.
Which costs less, DeepSeek V3.1 (Reasoning) or Nemotron 3 Ultra?
Both models do not have comparable published API token rates, so this page does not name a universal price winner.
Which has the larger context window, DeepSeek V3.1 (Reasoning) or Nemotron 3 Ultra?
Nemotron 3 Ultra has the larger documented context window: 1M, compared with 128K.
Benchmark evidence
The full public result ledger is available for audit without forcing a wide desktop table onto a phone.
Browse raw public benchmark evidence27 rows
Agentic
Terminal-Bench 2.1
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra56.4%SourceNot directly comparable
PinchBench
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra90.0%SourceNot directly comparable
BrowseComp
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra44.4%SourceNot directly comparable
τ³-bench results
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra70.9%SourceNot directly comparable
HLE w/ tools
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra37.4%SourceNot directly comparable
Terminal-Bench 2.1 (Vals)
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra50.9%SourceNot directly comparable
Coding
LiveCodeBench
DeepSeek V3.1 (Reasoning)74.8%SourceNemotron 3 Ultra—Not directly comparable
SWE-bench Verified
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra71.9%SourceNot directly comparable
SWE Multilingual
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra67.7%SourceNot directly comparable
LiveCodeBench v6
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra89.0%SourceNot directly comparable
SciCode
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra44.6%SourceNot directly comparable
Terminal-Bench 2.1
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra56.4%SourceNot directly comparable
LiveCodeBench (Vals)
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra86.0%SourceNot directly comparable
SWE-bench (Vals)
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra69.0%SourceNot directly comparable
Reasoning
Knowledge
GPQA
DeepSeek V3.1 (Reasoning)80.1%SourceNemotron 3 Ultra87%SourceNemotron 3 Ultra leads this result
MMLU-Pro
DeepSeek V3.1 (Reasoning)84.8%SourceNemotron 3 Ultra86.8%SourceNemotron 3 Ultra leads this result
HLE
DeepSeek V3.1 (Reasoning)15.9%SourceNemotron 3 Ultra26.7%SourceNemotron 3 Ultra leads this result
GPQA-D
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra87.0%SourceNot directly comparable
HLE w/o tools
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra26.7%SourceNot directly comparable
GPQA Diamond (Vals)
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra86.1%SourceNot directly comparable
MMLU-Pro (Vals)
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra85.8%SourceNot directly comparable
Multilingual
MMLU-ProX
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra83%SourceNot directly comparable
Instruction following
IFBench
DeepSeek V3.1 (Reasoning)—Nemotron 3 Ultra81.7%SourceNot directly comparable
Math
27 public results · 3 shared
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Last updated October 14, 2026