Claude Sonnet 5.5 vs gpt-3.5-turbo-16k

Anthropic Claude Claude Sonnet 5.5OpenAI gpt-3.5-turbo-16k
VendorAnthropic ClaudeOpenAI
Context window1,000,00016,385
Max output128,0004,096
ReasoningYesNo
Tool callingYesYes
File inputYesNo
Inputtext, image, filetext
Outputtexttext
Released2026-09-28—