AI Calculator Pro

Gemini 2.5 Pro vs Grok 4.3

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Grok 4.3 is cheaper by about $375.00/month.

Gemini 2.5 ProGrok 4.3
Providergooglexai
Input / 1M$1.25$1.25
Output / 1M$10.00$2.50
Per request (sample)$0.00625$0.00250
Monthly (sample)$625.00$250.00
Context window1,048,5761,000,000
VisionYesYes
ReasoningYesYes
Arena · Overall14631400
Arena · Coding12241358
Arena · Math & reasoning14501382
Arena · Agentic / tool use14251365

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

Gemini 2.5 Pro and Grok 4.3 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: Grok 4.3 at $250.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Grok 4.3xAI$0.00250$250.00$3,000.001,000,000
Gemini 2.5 ProGoogle$0.00625$625.00$7,500.001,048,576

FAQ

Which is cheaper, Gemini 2.5 Pro or Grok 4.3?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Grok 4.3 is cheaper, costing about $250.00/month versus $625.00/month.

What is the context window of Gemini 2.5 Pro and Grok 4.3?

Gemini 2.5 Pro supports 1,048,576 tokens, while Grok 4.3 supports 1,000,000 tokens.

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