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.
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.
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.
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
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.
Tokens / day
Requests / day
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
Throughput (tok/s)
TTFT (s)
Uptime (%)
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
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.
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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