Claude Opus 5 vs gemini-2.5-flash

Anthropic Claude Claude Opus 5Google gemini-2.5-flash
VendorAnthropic ClaudeGoogle
Context window1,000,0001,048,576
Max output128,00065,536
ReasoningYesYes
Tool callingYesYes
File inputYesYes
Inputtext, imagetext, image, audio, video, file
Outputtexttext
Released2026-07-232025-03-20