AI Calculator Pro

Claude Opus 4.8 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 $1,125.00/month.

Claude Opus 4.8Gemini 2.5 Pro
Intelligence
Arena · Overall(LMArena Elo — higher is better)14521457
Arena rank (overall)#25#20
Arena · Coding15391204
Arena · Math & reasoning14351450
Arena · Agentic / tool use14451425
Score evidenceMeasuredMeasured
Pricing (USD / 1M tokens)
Input$5.00$1.25
Output$25.00$10.00
Cached input (read)$0.5000$0.1250
Cache write$6.25
Blended(3:1 input:output blend)$10.00$3.44
Specs & capabilities
ProviderAnthropicGoogle
Context window1M (1,000,000)1.0M (1,048,576)
Max output64,00065,536
Modalitiestext, imagetext, image, audio, video
VisionYesYes
Tool useYesYes
ReasoningYesYes
Prompt cachingYesYes
Batch pricingYesYes
Tokenizerclaudegemini
Release date2026-05-282025-03
Statusgaga

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 27 August 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 Opus 4.8 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 Opus 4.8Anthropic$0.0175$1,750.00$21,000.001,000,000

FAQ

Which is cheaper, Claude Opus 4.8 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 $1,750.00/month.

What is the context window of Claude Opus 4.8 and Gemini 2.5 Pro?

Claude Opus 4.8 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.