AI Calculator Pro

Claude Sonnet 5 vs Gemini 2.5 Pro

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Gemini 2.5 Pro is cheaper by about $75.00/month.

Claude Sonnet 5Gemini 2.5 Pro
Provideranthropicgoogle
Input / 1M$2.00$1.25
Output / 1M$10.00$10.00
Per request (sample)$0.00700$0.00625
Monthly (sample)$700.00$625.00
Context window1,000,0001,048,576
VisionYesYes
ReasoningYesYes
Arena · Overall14401463
Arena · Coding15451224
Arena · Math & reasoning14101450
Arena · Agentic / tool use14181425

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

Claude Sonnet 5 and Gemini 2.5 Pro 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: Gemini 2.5 Pro at $625.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Gemini 2.5 ProGoogle$0.00625$625.00$7,500.001,048,576
Claude Sonnet 5Anthropic$0.00700$700.00$8,400.001,000,000

FAQ

Which is cheaper, Claude Sonnet 5 or Gemini 2.5 Pro?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Gemini 2.5 Pro is cheaper, costing about $625.00/month versus $700.00/month.

What is the context window of Claude Sonnet 5 and Gemini 2.5 Pro?

Claude Sonnet 5 supports 1,000,000 tokens, while Gemini 2.5 Pro supports 1,048,576 tokens.

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