Claude Opus 4.7 vs GPT Image 2.5 Dev

Anthropic Claude Claude Opus 4.7OpenAI GPT Image 2.5 Dev
VendorAnthropic ClaudeOpenAI
Context window1,000,000—
Max output128,000—
ReasoningYesNo
Tool callingYesNo
File inputYesYes
Inputtext, image, filetext, image
Outputtextimage
Released2026-04-162026-09-08