Models

Grok 4.5 vs Nvidia Nemotron 3 Super 120B A12B

Compare Grok 4.5 from Grok and Nvidia Nemotron 3 Super 120B A12B from Nvidia on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

GrokGrok 4.5NvidiaNvidia Nemotron 3 Super 120B A12B
Grok logo
Grok 4.5
Grok · text, image → text

Grok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.

Input$2.00 /M
Output$6.00 /M
Nvidia logo
Nvidia Nemotron 3 Super 120B A12B
Nvidia · text → text

An open-source, efficient hybrid Mamba-Transformer MoE model that supports a context length of one million tokens and excels at agent reasoning, programming, planning, and tool invocation.

Input$0.11 /M
Output$0.55 /M

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

Grok 4.5
Nvidia Nemotron 3 Super 120B A12B
Input /M
$2.00
$0.11
Output /M
$6.00
$0.55
Cache read /M
$0.50
$0.03
Context length
500,000
1,000,000
Max output
500,000
0
Time to First Token
1.5 s
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Throughput
25.5 tok/s
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Modalities
textimage
text
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
thinkingtoolsfunction callingstructured outputslong context
API Formats
Released
July 2026
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Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

grok-4.5nvidia-nemotron-3-super-120b-a12b

Tokens / day

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Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

grok-4.5nvidia-nemotron-3-super-120b-a12b

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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LMArena Benchmarks

LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.

Text
grok-4.5nvidia-nemotron-3-super-120b-a12b
1280136014401520
Overall
13621470
Coding
14111523
Math
13761478
Hard prompts
13811495
Instruction following
13461466
Multi-turn
13501477
Creative writing
13041449
Longer query
13611485
Chinese
14031511
English
13851475

Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.

Cost calculator

Estimate your monthly bill for the same workload on each model.

Nvidia Nemotron 3 Super 120B A12B
$14.85 /mo
Grok 4.5
$210 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: Grok 4.5, Nvidia Nemotron 3 Super 120B A12B?

Nvidia Nemotron 3 Super 120B A12B: $0.55/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.

How do their coding arena scores compare?

Grok 4.5: 1523; Nvidia Nemotron 3 Super 120B A12B: 1411 (LMArena coding leaderboard).

How large is each context window?

Grok 4.5 accepts 500,000 and Nvidia Nemotron 3 Super 120B A12B accepts 1,000,000 input tokens.

What inputs and capabilities does each model support?

Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; Nvidia Nemotron 3 Super 120B A12B accepts text input and supports thinking, tool calling, function calling, structured outputs and long context.

Can I call Grok 4.5 and Nvidia Nemotron 3 Super 120B A12B with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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