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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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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

In this head-to-head showdown, NVIDIA: Nemotron 3 Nano Omni (free) is more budget-friendly at $0/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Choose Grok 4 if your priority is peak reasoning, complex code generation, and top preference Elo. Choose NVIDIA: Nemotron 3 Nano Omni (free) if you are optimizing for low latency, high throughput, and cost-efficient API deployment.
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Executive Verdict Summary

NVIDIA: Nemotron 3 Nano Omni (free) holds empirical advantage (2 of 2 metrics)

Coding / SWESWE-bench
Grok 4Top code solve rate
ReasoningGPQA / Live
Grok 4Top logical accuracy
Best Value$/1M Tok
Grok 4Lowest API billing cost
Speed / TokTok/Sec
Grok 4Fastest stream rate

Verified Advantage Breakdown

2 benchmarks evaluated across capability, speed, and cost

Grok 4 (0)NVIDIA: Nemotron 3 Nano Omni (free) (2)
Grok 4
0 of 2 Wins
Competitive baseline across remaining benchmarks
NVIDIA: Nemotron 3 Nano Omni (free)
2 of 2 Wins
✓Input price✓Output price
xAI
Grok 4

Previous xAI flagship.

Grok 4.0Elo 1,488In: $3 · Out: $15/1M
nvidia
Leads 2 of 2
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.

In: $0 · Out: $0/1M

Grok 4 Series Lineage & Sibling Variants

2 models

Currently comparing Grok 4 vs NVIDIA: Nemotron 3 Nano Omni (free). Alternative family tiers available.

Active: Grok 4
Grok 4.6$6
Top Rival Showdowns for Grok 4
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs DeepSeek V4 Provs Qwen 3 Max
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar LeaderNVIDIA: Nemotron 3 Nano Omni (free) Wins

NVIDIA: Nemotron 3 Nano Omni (free)

$0 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Multi-Dimensional Capability Radar

Leaders Matchup Capability Radar

Comparing top standard models across 6 key capability dimensions. Tap any spoke or dot to inspect.

Tap any node to inspect
0–100 %ile

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

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 Leads(4/5)

Intelligence & Reasoning

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

Benchmark
Grok 4vsNVIDIA: Nemotron 3 Nano Omni (free)
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 Leads(2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Benchmark
Grok 4vsNVIDIA: Nemotron 3 Nano Omni (free)
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) Leads(2/3)

Pricing & Capacity

Cost per million tokens and max context window length

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

Side-by-Side Benchmark Matrix

Grok 4NVIDIA: Nemotron 3 Nano Omni (free)
Preference Elo
Grok 41,488
NVIDIA: Nemotron 3 Nano Omni (free)—
LiveBench
Grok 464.1%
NVIDIA: Nemotron 3 Nano Omni (free)—
SWE-bench
Grok 458.6%
NVIDIA: Nemotron 3 Nano Omni (free)—
GPQA Diamond
Grok 479%
NVIDIA: Nemotron 3 Nano Omni (free)—
Time to first token
Grok 4230 ms
NVIDIA: Nemotron 3 Nano Omni (free)—
Output speed
Grok 498 tok/s
NVIDIA: Nemotron 3 Nano Omni (free)—
Input priceNVIDIA: Nemotron 3 Nano Omni (free) +$3/1M
Grok 4$3/1M
NVIDIA: Nemotron 3 Nano Omni (free)$0/1M
Output priceNVIDIA: Nemotron 3 Nano Omni (free) +$15/1M
Grok 4$15/1M
NVIDIA: Nemotron 3 Nano Omni (free)$0/1M
Context window
Grok 4256k
NVIDIA: Nemotron 3 Nano Omni (free)256k
BenchmarkGrok 4NVIDIA: Nemotron 3 Nano Omni (free)Advantage Delta
Preference Elo
1,488
lmarena · Aug 17, 2026
——
LiveBench
64.1%
livebench · Aug 17, 2026
——
SWE-bench
58.6%
swebench · Aug 17, 2026
——
GPQA Diamond
79%
seed-bootstrap · Aug 1, 2026
——
Time to first token
230 ms
seed-bootstrap · Aug 1, 2026
——
Output speed
98 tok/s
seed-bootstrap · Aug 1, 2026
——
Input price
$3/1M
seed-bootstrap · Aug 1, 2026
$0/1M
openrouter · Aug 17, 2026
+$3/1M
Output price
$15/1M
seed-bootstrap · Aug 1, 2026
$0/1M
openrouter · Aug 17, 2026
+$15/1M
Context window
256k
seed-bootstrap · Aug 1, 2026
256k
openrouter · Aug 17, 2026
—

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 AI Matrix

Verified Head-to-Head Telemetry

LIVE BENCHMARK
VS
xAI

Grok 4

Elo 1,488
SWE-bench58.6%
Speed (tok/s)98 tok/s
Input / 1M Tokens$3/1M
Output / 1M Tokens$15/1M
nvidia

NVIDIA: Nemotron 3 Nano Omni (free)

Elo n/a
SWE-bench—
Speed (tok/s)256k
Input / 1M Tokens$0/1M
Output / 1M Tokens$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