AI Calculator Pro

Amazon Nova Pro vs Grok 4.5

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Amazon Nova Pro is cheaper by about $260.00/month.

Amazon Nova ProGrok 4.5
Provideraws-bedrockxai
Input / 1M$0.8000$2.00
Output / 1M$3.20$6.00
Per request (sample)$0.00240$0.00500
Monthly (sample)$240.00$500.00
Context window300,000500,000
VisionYesYes
ReasoningNoYes
Arena · Overall13481451
Arena · Coding13421550
Arena · Math & reasoning13451445
Arena · Agentic / tool use13401420

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Amazon Nova Pro and Grok 4.5 are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: Amazon Nova Pro at $240.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Amazon Nova ProAWS Bedrock$0.00240$240.00$2,880.00300,000
Grok 4.5xAI$0.00500$500.00$6,000.00500,000

FAQ

Which is cheaper, Amazon Nova Pro or Grok 4.5?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Amazon Nova Pro is cheaper, costing about $240.00/month versus $500.00/month.

What is the context window of Amazon Nova Pro and Grok 4.5?

Amazon Nova Pro supports 300,000 tokens, while Grok 4.5 supports 500,000 tokens.

Estimates for planning only. Verify current pricing with each provider.