gpt-3.5-turbo-16k vs Claude Opus 4.1

OpenAI gpt-3.5-turbo-16kAnthropic Claude Claude Opus 4.1
VendorOpenAIAnthropic Claude
Context window16,385200,000
Max output4,09632,000
ReasoningNoYes
Tool callingYesYes
File inputNoYes
Inputtexttext, image
Outputtexttext
Released2025-08-05