Models

Grok 4.5 vs Nemotron 3 Nano 30B A3B (free)

Compare Grok 4.5 from Grok and Nemotron 3 Nano 30B A3B (free) 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 4.5NvidiaNemotron 3 Nano 30B A3B (free)
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
Nemotron 3 Nano 30B A3B (free)
Nvidia · text → text

NVIDIA Nemotron 3 Nano 30B A3B is a highly efficient small language Mixture of Experts (MoE) model developed by Nvidia. Designed to help developers build specialized agentic AI systems, it delivers exceptional compute efficiency and accuracy. Additionally, it features an impressive context length of 256,000 tokens to support extensive data processing.

Input$0.00 /M
Output$0.00 /M

Pricing & Specifications

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

Grok 4.5
Nemotron 3 Nano 30B A3B (free)
Input /M
$2.00
$0.00
Output /M
$6.00
$0.00
Cache read /M
$0.50
$0.00
Context length
500,000
256,000
Max output
500,000
0
Time to First Token
1.5 s
-
Throughput
25.4 tok/s
-
Modalities
textimage
text
Supported Parameters
thinkingtoolsfunction callingstructured outputslong context
reasoningtool callinglong context
API Formats
chat_completions
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-4.5nemotron-3-nano-30b-a3b-free

Tokens / day

-

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-4.5nemotron-3-nano-30b-a3b-free

Throughput (tok/s)

-

TTFT (s)

-

Uptime (%)

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Cost calculator

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

Nemotron 3 Nano 30B A3B (free)
$0.00 /mo
Grok 4.5
$210 /mo

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

FAQ

How large is each context window?

Grok 4.5 accepts 500,000 and Nemotron 3 Nano 30B A3B (free) accepts 256,000 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; Nemotron 3 Nano 30B A3B (free) accepts text input and supports reasoning, tool calling and long context.

Can I call Grok 4.5 and Nemotron 3 Nano 30B A3B (free) 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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