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  3. Grok 4 vs NVIDIA: Nemotron 3 Nano Omni (free)

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Grok 4 vs NVIDIA: Nemotron 3 Nano Omni (free) benchmark

This page compares Grok 4 (xAI) and NVIDIA: Nemotron 3 Nano Omni (free) (nvidia) using the latest snapshots we have as of Aug 17, 2026. NVIDIA: Nemotron 3 Nano Omni (free) wins on output price at $0/1M. Grok 4 has the larger context window (256k tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.

Quick answer

Grok 4 vs NVIDIA: Nemotron 3 Nano Omni (free) is a dated snapshot, not a lab score. NVIDIA: Nemotron 3 Nano Omni (free) is the cheaper output token. Elo is crowd preference, not an exam. Pick the column that matches the job.
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xAI

Grok 4

Previous xAI flagship.

Grok 4.0Elo 1,488$15/1M out

nvidia

NVIDIA: Nemotron 3 Nano Omni (free)

Auto-discovered from OpenRouter (nvidia/nemotron-3-nano-omni-30b-a3b-reasoning:free). Preview until a second source matches.

$0/1M out
Model Lineage & Multi-Tier Derivatives🇺🇸 US Frontier

Grok 4 Series Family (2 models)

Compare vs Base (Grok 4.6)
Grok 4.6
xAI
Flagship Base
Fast Route
Elo
1592
Speed
118 tok/s
Price
$6.00 / 1M
View model →vs this
Grok 4
xAI
Grok 4.0
Elo
1488
Speed
98 tok/s
Price
$15.00 / 1M
-104 Elo+150% cost0.8x speed
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Quick vs:vs Claude Opus 4.5vs Claude Opus 4.6vs Claude Sonnet 4.5vs Claude 3.7 Sonnet

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Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

Grok 4 (6)vsNVIDIA: Nemotron 3 Nano Omni (free) (2)
Grok 4: 6W (75%)Overall: Grok 4NVIDIA: Nemotron 3 Nano Omni (free): 2W (25%)
← Grok 41 tiesNVIDIA: Nemotron 3 Nano Omni (free) →
Grok 4 (4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo
1,488vs—
Coding Elo
—vs—
SWE-bench
58.6%vs—
LiveBench
64.1%vs—
GPQA Diamond
79%vs—
Grok 4: 4WNVIDIA: Nemotron 3 Nano Omni (free): 0W
Grok 4 (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed
98 tok/svs—
Time to first token
230 msvs—
Grok 4: 2WNVIDIA: Nemotron 3 Nano Omni (free): 0W
NVIDIA: Nemotron 3 Nano Omni (free) (2/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price
$15/1Mvs$0/1M
Input price
$3/1Mvs$0/1M
Context window
256kvs256k
Grok 4: 0WNVIDIA: Nemotron 3 Nano Omni (free): 2W
Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect
Percentile 0–100
Dimensional AdvantageGrok 4 4/6
Preference Elo

No shared data

No shared data

Throughput Speed

No shared data

No shared data

Token Price Efficiency

NVIDIA: Nemotron 3 Nano Omni (free)

$15.00/1M cheaper

Full Benchmark Score Matrix

—
Elo
High is better
1,488
EloHigh is better
—
LiveBench
High is better
64.1%
LiveBenchHigh is better
—
SWE-bench
High is better
58.6%
SWE-benchHigh is better
—
GPQA
High is better
79%
GPQAHigh is better
—
TTFT
Low is better
230 ms
TTFTLow is better
—
Speed
High is better
98 tok/s
SpeedHigh is better
—
In $
Low is better
$3.00 / 1M
In $Low is better
$0.00 / 1M
Out $
Low is better
$15.00 / 1M
Out $Low is better
$0.00 / 1M
Context
High is better
256k
ContextHigh is better
256k

Key Selection Recommendations

  • 1
    NVIDIA: Nemotron 3 Nano Omni (free):Pick NVIDIA: Nemotron 3 Nano Omni (free) when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatNVIDIA: Nemotron 3 Nano Omni (free)

Lower output list price ($0/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGGrok 4

Larger window (256k).

Screenshots / visionGrok 4

Grok 4 is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatNVIDIA: Nemotron 3 Nano Omni (free)Lower output list price ($0/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGGrok 4Larger window (256k).
Screenshots / visionGrok 4Grok 4 is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
launchJul 10, 2025

Grok 4 remains the previous xAI flagship on this catalog

2025-07 row. 4.6 is the buy. We keep 4 so upgrade pairs and old inbound links resolve.

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CompareLLM Matrix

Verified head-to-head card

LIVE
VS
xAI

Grok 4

Elo 1,488
LiveBench64.1%
SWE-bench58.6%
Speed98 tok/s
Output cost$15/1M
nvidia

NVIDIA: Nemotron 3 Nano Omni (free)

Elo n/a
LiveBench—
SWE-bench—
Speed—
Output cost$0/1M

Frequently Asked Questions

Which is better overall, Grok 4 or NVIDIA: Nemotron 3 Nano Omni (free)?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Grok 4 or NVIDIA: Nemotron 3 Nano Omni (free)?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
NVIDIA: Nemotron 3 Nano Omni (free) output tokens are $0/1M versus $15/1M. Input prices and retry rates still move the real bill.
Which is faster, Grok 4 or NVIDIA: Nemotron 3 Nano Omni (free)?
We do not have TTFT for both models.
Which has the larger context window?
Grok 4 accepts 256k tokens versus 256k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Grok 4 and NVIDIA: Nemotron 3 Nano Omni (free) Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • launch · Jul 10, 2025

    Grok 4 remains the previous xAI flagship on this catalog

Similar Head-to-Head Comparisons

All Grok 4 matchups →|All NVIDIA: Nemotron 3 Nano Omni (free) matchups →
Grok 4 vs Grok 3 (previous grok)Grok 4 vs Grok 4.6 (next grok)Gemini 2.0 Flash Thinking vs Grok 4Gemini 3 Flash vs Grok 4Yi-Lightning vs Grok 4Doubao Pro 1.5 vs Grok 4