Benchmark suiteLatest source data: Jun 10, 2026Checked: June 14, 2026

Llama 3.1 Nemotron Ultra 253b V1.

A model-level benchmark profile for Llama 3.1 Nemotron Ultra 253b V1, combining Arena category ranks, suite indexes, commercial price and speed data, SWE-bench status, and lab context.

Nvidia lab page

Lab

Nvidia

Open weights

Coverage

44%

4 of 9 tracked signals

Best Arena rank

#176

Text Arena

Best suite

#11

Agents / 100

Model profile

Benchmark signal map.

This view treats missing values as coverage gaps, then puts every available score, rank, cost, and speed signal into the same visual hierarchy.

Analyst view

Llama 3.1 Nemotron Ultra 253b V1 is strongest on agents.

44% coverage

Its best composite result is rank #11 in the agents view, with a 100 agent proxy. The strongest raw Arena signal is Text Arena at rank #176 with 2,549 public votes.

Best current lane

Agents

#11 / 100 agent proxy

Strongest raw signal

Text

#176, 1347 score

Commercial posture

$0.900

0.71s first token / 52 tok/s

Coverage gaps

WebDev ArenaVision ArenaSearch ArenaDocument ArenaSWE-bench

Profile completeness

4 of 9 signals matched

44%

Arena categories

1/5

Text

Commercial match

Live

Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)

SWE-bench

Not listed

No confident software benchmark row

Raw identifier

llama-3.1-nemotron-ultra-253b-v1

Open weights

Performance cockpit

Public benchmark scores

Arena rows show score, public rank, confidence interval, vote count, and publish date. Missing rows stay visible as coverage gaps.

Text Arena

Arena category

1,347#176

1336-1359 CI

2,549 votes

Jun 10, 2026

Arena public leaderboard dataset

WebDev Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

Vision Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

Search Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

Document Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

SWE-bench Verified

Software issue resolution

Not listed

No confident SWE-bench row matched to this model.

Coverage gap

Cost and speed

Commercial profile

Price, latency, and throughput are only shown when a confident commercial source row is matched.

Blended price

$0.900

USD / 1M tokens

Input price

$0.600

USD / 1M input tokens

Output price

$1.80

USD / 1M output tokens

Latency

0.71s

Median time to first token

Output speed

52 tok/s

Median generation speed

Matched source row

Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)

Suite position

Composite ranks by benchmark lens.

These views combine available public signals into purpose-specific indexes. A missing card means the model lacks enough source coverage for that lens.

Value

Quality, price, latency, and output speed

#5374

value index

blended / 1M tokens$0.900

time to first token0.71s

output speed52 tok/s

Coding

Code Arena, SWE-bench, and output speed

#1212

coding index

Code ArenaNot listed