Gemini 3.1 Pro Preview vs Nemotron 3 Ultra
Gemini 3.1 Pro Preview leads Nemotron 3 Ultra on coding, 32.3 to 30.0 on the Vibe Coding Index, and Nemotron 3 Ultra costs 5.0x less per output token ($2.40 vs $12.00 per million). Updated October 22, 2026; 69 benchmarks have a result for both.
Gemini 3.1 Pro Preview or Nemotron 3 Ultra: which to pick
Pick Gemini 3.1 Pro Preview for coding: it scores 32.3 on the Vibe Coding Index against 30.0 for Nemotron 3 Ultra.
Pick Nemotron 3 Ultra for output tokens 5.0x cheaper ($2.40 vs $12.00 per million) and work measured by AA Agentic Index or CorpFin (Vals AI), where it leads.
- Shared results
- 69
- Gemini 3.1 Pro Preview only
- 68
- Nemotron 3 Ultra only
- 2
- Like-for-like categories
- 8 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview scores 32.3 against 30.0.
4 and 3 benchmarks behind the scores
Intelligence
AA Intelligence Index
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 29.7 against 22.9.
Same board, both measured
Agentic work
AA Agentic Index
Nemotron 3 Ultra
Nemotron 3 Ultra leads, 20.1 against 8.2.
Same board, both measured
Reasoning
GPQA Diamond
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 95.5% against 86.1%.
Same board, both measured
Math
AIME
No call
Only Gemini 3.1 Pro Preview has a AIME result, 98.1%.
Directional only
Knowledge
MMLU Pro
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 91.0% against 85.8%.
Same board, both measured
Web design
Design Arena: websites
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview leads, 1234 against 1145.
Same board, both measured
Long documents
Listed context window
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Nemotron 3 Ultra
Gemini 3.1 Pro Preview $0.0080, Nemotron 3 Ultra $0.0018 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
No call
Only Gemini 3.1 Pro Preview has the number, $0.99.
Directional only
At a glance
- Coding index
- Gemini 3.1 Pro Preview 32.3 from 4 benchmarks, Nemotron 3 Ultra 30.0 from 3 benchmarks.
- Widest category
- Web design, 13.8 points apart on average over 8 shared benchmarks.
- Widest single gap
- WeirdML: Gemini 3.1 Pro Preview 72.1% against Nemotron 3 Ultra 43.5%, 28.6 points apart on a 0 to 100 scale.
- Output price
- Gemini 3.1 Pro Preview $12.00 against Nemotron 3 Ultra $2.40 per million output tokens, 5.0x apart.
- Context window
- Gemini 3.1 Pro Preview takes 1.05M tokens, Nemotron 3 Ultra 262K.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Gemini 3.1 Pro Preview | Bars | Nemotron 3 Ultra | Ties |
|---|---|---|---|---|
| Coding | 11 | 0 | 1 tie | |
| Intelligence | 1 | 0 | ||
| Agentic work | 6 | 1 | ||
| Reasoning | 8 | 0 | ||
| Math | 4 | 0 | ||
| Knowledge | 7 | 2 | ||
| Web design | 8 | 0 | ||
| General | 19 | 1 | ||
| All shared boards | 64 | 4 | 1 tie |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index110
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| LMArena WebDev | 1447 | Not measured | Only Gemini 3.1 Pro Preview measured |
| AA Coding Index | 68.8 | 49.3 | Gemini 3.1 Pro Preview |
| LiveCodeBench (Vals AI) | 88.5% | 86.0% | Gemini 3.1 Pro Preview |
| SWE-bench Verified (Vals AI) | 78.8% | 69.0% | Gemini 3.1 Pro Preview |
| Terminal-Bench 4 (Vals AI) | 2.5% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Vibe Code Bench (Vals AI) | 32.0% | 7.6% | Gemini 3.1 Pro Preview |
| Code migration (Vals AI) | 17.3% | 4.9% | Gemini 3.1 Pro Preview |
| ProgramBench (Vals AI) | 0.0% | 0.0% | Tie |
| IOI (Vals AI) | 51.8% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Terminal-Bench 2.1 (Vals AI) | 70.8% | 50.9% | Gemini 3.1 Pro Preview |
| Vibe Code Bench 1-100 (Vals AI) | 6.7% | Not measured | Only Gemini 3.1 Pro Preview measured |
| SciCode | 58.7% | 40.3% | Gemini 3.1 Pro Preview |
| Terminal-Bench Hard (Artificial Analysis run) | 53.8% | 36.4% | Gemini 3.1 Pro Preview |
| Terminal-Bench | 80.2% | Not measured | Only Gemini 3.1 Pro Preview measured |
| FrontierCode | Not measured | 13.6% | Only Nemotron 3 Ultra measured |
| GSO-Bench | 22.6% | Not measured | Only Gemini 3.1 Pro Preview measured |
| WeirdML | 72.1% | 43.5% | Gemini 3.1 Pro Preview |
| MirrorCode | 8.9% | Not measured | Only Gemini 3.1 Pro Preview measured |
| ALE-Bench | 1160.6 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: coding | 1484 | 1468 | Gemini 3.1 Pro Preview |
| LMArena Text: software and IT | 1487 | 1468 | Gemini 3.1 Pro Preview |
| LMArena WebDev: React | 1438 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena WebDev: HTML | 1490 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena WebDev: from an image | 1481 | Not measured | Only Gemini 3.1 Pro Preview measured |
| SciCode | 14.3% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 18 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| AA Intelligence Index | 29.7 | 22.9 | Gemini 3.1 Pro Preview |
| Epoch Capabilities Index | Not measured | 146.0 | Only Nemotron 3 Ultra measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index61
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| AA Agentic Index | 8.2 | 20.1 | Nemotron 3 Ultra |
| Design Arena: agents building web apps | 1125 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building full-stack apps | 1068 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building mobile apps | 1093 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building Android apps | 1049 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building Godot games | 1236 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Design Arena: agents building games | 1113 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Design Arena: HTML slides | 1092 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Design Arena: PowerPoint slides | 1040 | Not measured | Only Gemini 3.1 Pro Preview measured |
| SREBench (Vals AI) | 0.0% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Finance Agent (Vals AI) | 43.0% | 37.7% | Gemini 3.1 Pro Preview |
| Tax Agent Bench (Vals AI) | 9.3% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Legal Research Bench (Vals AI) | 20.7% | 15.4% | Gemini 3.1 Pro Preview |
| Excel Modeling Benchmark (Vals AI) | 52.6% | 31.7% | Gemini 3.1 Pro Preview |
| BioMysteryBench (Vals AI) | 60.0% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Terminal-Bench-Science (Vals AI) | 1.4% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Vals Science Index | 27.4% | Not measured | Only Gemini 3.1 Pro Preview measured |
| τ²-Bench Telecom | 95.6% | 83.3% | Gemini 3.1 Pro Preview |
| APEX-Agents | 35.1% | 22.7% | Gemini 3.1 Pro Preview |
| METR time horizons | 77.0% | Not measured | Only Gemini 3.1 Pro Preview measured |
| BALROG | 57.0% | Not measured | Only Gemini 3.1 Pro Preview measured |
| DeepResearch Bench | 47.8% | Not measured | Only Gemini 3.1 Pro Preview measured |
| PostTrainBench | 22.0% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Vending-Bench 2 | $911 | Not measured | Only Gemini 3.1 Pro Preview measured |
| MCP Atlas | 78.2% | 63.1% | Gemini 3.1 Pro Preview |
| Neither model has a result on the other 17 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index80
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| GPQA Diamond | 95.5% | 86.1% | Gemini 3.1 Pro Preview |
| MysteryMechanism (Vals AI) | 20.7% | Not measured | Only Gemini 3.1 Pro Preview measured |
| MMMU Pro (Vals AI) | 88.2% | Not measured | Only Gemini 3.1 Pro Preview measured |
| GPQA Diamond (Artificial Analysis run) | 94.1% | 86.7% | Gemini 3.1 Pro Preview |
| Humanity's Last Exam (Artificial Analysis run) | 47.0% | 28.4% | Gemini 3.1 Pro Preview |
| GPQA Diamond (Epoch AI run) | 94.4% | 85.4% | Gemini 3.1 Pro Preview |
| ARC-AGI | 98.0% | Not measured | Only Gemini 3.1 Pro Preview measured |
| ARC-AGI-2 | 77.1% | Not measured | Only Gemini 3.1 Pro Preview measured |
| SimpleBench | 79.6% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Chess puzzles | 51.0% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Mystery game puzzles | 34.0% | 20.0% | Gemini 3.1 Pro Preview |
| EBR-bench | 14.3% | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: hard prompts | 1485 | 1452 | Gemini 3.1 Pro Preview |
| LMArena Text: expert | 1483 | 1472 | Gemini 3.1 Pro Preview |
| LMArena Text: hard prompts in English | 1480 | 1453 | Gemini 3.1 Pro Preview |
| LMArena Vision: diagrams | 1311 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: homework | 1316 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 6 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index40
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| AIME | 98.1% | Not measured | Only Gemini 3.1 Pro Preview measured |
| OTIS Mock AIME | 95.6% | 86.7% | Gemini 3.1 Pro Preview |
| FrontierMath, tiers 1 to 3 | 59.6% | Not measured | Only Gemini 3.1 Pro Preview measured |
| FrontierMath, tier 4 | 26.8% | Not measured | Only Gemini 3.1 Pro Preview measured |
| ProofBench | 26.0% | 2.0% | Gemini 3.1 Pro Preview |
| LMArena Text: math | 1486 | 1457 | Gemini 3.1 Pro Preview |
| LMArena Text: mathematical work | 1478 | 1461 | Gemini 3.1 Pro Preview |
| MathArena | 30.1% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 6 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index72
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| MMLU Pro | 91.0% | 85.8% | Gemini 3.1 Pro Preview |
| LegalBench (Vals AI) | 87.4% | 82.1% | Gemini 3.1 Pro Preview |
| CaseLaw (Vals AI) | 64.8% | Not measured | Only Gemini 3.1 Pro Preview measured |
| CorpFin (Vals AI) | 64.5% | 65.5% | Nemotron 3 Ultra |
| TaxEval (Vals AI) | 72.9% | 73.1% | Nemotron 3 Ultra |
| MortgageTax (Vals AI) | 69.4% | Not measured | Only Gemini 3.1 Pro Preview measured |
| MedQA (Vals AI) | 96.4% | Not measured | Only Gemini 3.1 Pro Preview measured |
| MedCode (Vals AI) | 59.1% | 38.6% | Gemini 3.1 Pro Preview |
| SimpleQA Verified | 73.5% | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: science | 1497 | 1465 | Gemini 3.1 Pro Preview |
| LMArena Text: medicine and healthcare | 1486 | 1456 | Gemini 3.1 Pro Preview |
| LMArena Text: legal and government | 1487 | 1452 | Gemini 3.1 Pro Preview |
| LMArena Text: business and finance | 1459 | 1434 | Gemini 3.1 Pro Preview |
| FACTS Benchmark Suite | 67.4% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 6 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index80
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| Design Arena: websites | 1234 | 1145 | Gemini 3.1 Pro Preview |
| Design Arena: UI components | 1224 | 1135 | Gemini 3.1 Pro Preview |
| Design Arena: game dev | 1202 | 1138 | Gemini 3.1 Pro Preview |
| Design Arena: data viz | 1209 | 1141 | Gemini 3.1 Pro Preview |
| Design Arena: 3D | 1234 | 1131 | Gemini 3.1 Pro Preview |
| Design Arena: all code categories | 1230 | 1146 | Gemini 3.1 Pro Preview |
| Design Arena: SVG | 1284 | 1069 | Gemini 3.1 Pro Preview |
| Design Arena: ASCII art | 1270 | 1100 | Gemini 3.1 Pro Preview |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index191
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| Public Benefits Bench (Vals AI) | 53.8% | Not measured | Only Gemini 3.1 Pro Preview measured |
| SAGE (Vals AI) | 48.7% | Not measured | Only Gemini 3.1 Pro Preview measured |
| MedScribe (Vals AI) | 76.1% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Vals Multimodal Index | 56.1% | Not measured | Only Gemini 3.1 Pro Preview measured |
| IFBench | 77.1% | 81.4% | Nemotron 3 Ultra |
| Long context reasoning (AA-LCR) | 82.0% | 79.3% | Gemini 3.1 Pro Preview |
| DTBench | 97.1% | 90.1% | Gemini 3.1 Pro Preview |
| LMCA | 53.8% | 36.9% | Gemini 3.1 Pro Preview |
| CL-bench | 20.8% | Not measured | Only Gemini 3.1 Pro Preview measured |
| Furniture assembly | 26.7% | Not measured | Only Gemini 3.1 Pro Preview measured |
| ExploitBench | 26.1% | Not measured | Only Gemini 3.1 Pro Preview measured |
| CL-bench Life | 16.9% | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Text | 1480 | 1445 | Gemini 3.1 Pro Preview |
| LMArena Text: instruction following | 1466 | 1418 | Gemini 3.1 Pro Preview |
| LMArena Text: creative writing | 1482 | 1399 | Gemini 3.1 Pro Preview |
| LMArena Vision | 1296 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: English | 1478 | 1455 | Gemini 3.1 Pro Preview |
| LMArena Text: non-English | 1476 | 1427 | Gemini 3.1 Pro Preview |
| LMArena Text: Chinese | 1527 | 1497 | Gemini 3.1 Pro Preview |
| LMArena Text: German | 1490 | 1472 | Gemini 3.1 Pro Preview |
| LMArena Text: Japanese | 1491 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Text: Korean | 1455 | 1384 | Gemini 3.1 Pro Preview |
| LMArena Text: French | 1487 | 1472 | Gemini 3.1 Pro Preview |
| LMArena Text: Spanish | 1481 | 1455 | Gemini 3.1 Pro Preview |
| LMArena Text: Russian | 1497 | 1417 | Gemini 3.1 Pro Preview |
| LMArena Text: Polish | 1498 | 1385 | Gemini 3.1 Pro Preview |
| LMArena Text: multi-turn | 1487 | 1411 | Gemini 3.1 Pro Preview |
| LMArena Text: longer queries | 1482 | 1437 | Gemini 3.1 Pro Preview |
| LMArena Text: writing and language | 1481 | 1406 | Gemini 3.1 Pro Preview |
| LMArena Text: entertainment and media | 1465 | 1397 | Gemini 3.1 Pro Preview |
| LMArena Vision: English | 1287 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: Chinese | 1364 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: reading text | 1304 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: humor | 1322 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: captioning | 1345 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: recognizing things | 1330 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Vision: creative writing | 1324 | Not measured | Only Gemini 3.1 Pro Preview measured |
| LMArena Document | 1444 | Not measured | Only Gemini 3.1 Pro Preview measured |
| MultiChallenge | 71.4% | Not measured | Only Gemini 3.1 Pro Preview measured |
| EQ-Bench 4 | 1142 | Not measured | Only Gemini 3.1 Pro Preview measured |
| Neither model has a result on the other 8 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Gemini 3.1 Pro Preview | Nemotron 3 Ultra | Leader |
|---|---|---|---|
| Neither model has a result on 5 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Nemotron 3 Ultra costs less
Repository review
50K input + 3K output tokens
Nemotron 3 Ultra costs less
Agent loop
200K input + 10K output tokens
Nemotron 3 Ultra costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Google Gemini 3.1 Pro Preview | NVIDIA Nemotron 3 Ultra |
|---|---|---|
| Maker | NVIDIA | |
| Weights | No public weights listed | Open weights |
| Released | February 19, 2026 | June 4, 2026 |
| Context window | 1.05M | 262K |
| Input $/Mtok | $2.00 | $0.60 |
| Output $/Mtok | $12.00 | $2.40 |
| Coding index | 32.3 | 30.0 |
| Independent measurements behind it | 4 | 3 |
| Cost per solved task | $0.99 | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Gemini 3.1 Pro Preview better than Nemotron 3 Ultra for coding?
Pick Gemini 3.1 Pro Preview for coding: it scores 32.3 on the Vibe Coding Index against 30.0 for Nemotron 3 Ultra. Pick Nemotron 3 Ultra for output tokens 5.0x cheaper ($2.40 vs $12.00 per million) and work measured by AA Agentic Index or CorpFin (Vals AI), where it leads.
Which is cheaper, Gemini 3.1 Pro Preview or Nemotron 3 Ultra?
Gemini 3.1 Pro Preview costs $2.00 per million input tokens and $12.00 per million output tokens; Nemotron 3 Ultra costs $0.60 and $2.40. Cost per solved task is known for Gemini 3.1 Pro Preview only.
Which has the bigger context window, Gemini 3.1 Pro Preview or Nemotron 3 Ultra?
Gemini 3.1 Pro Preview, with 1.05M tokens against 262K.
How many benchmarks is the Gemini 3.1 Pro Preview vs Nemotron 3 Ultra comparison based on?
69 benchmarks have a result for both models as of October 22, 2026. Gemini 3.1 Pro Preview's coding index rests on 4 independent benchmarks and Nemotron 3 Ultra's on 3. Where only one model has a result, the page says so instead of naming a winner.