Claude’s Memory, ChatGPT’s Saved Memories, and Gemini’s Personal Context: What Each Company’s Own Help Docs Say
Claude, ChatGPT, and Gemini all let you view, edit, or delete what they remember about you, but the three companies’
Claude, ChatGPT, and Gemini all let you view, edit, or delete what they remember about you, but the three companies’
As of October 2026, Claude Sonnet 5.5, GPT-5.5, and Gemini 3.1 Pro Preview all advertise roughly 1 million-token context windows,
Claude has two separate client toolsets for acting on a screen, and mixing them up leads to the wrong architecture.
Claude’s Citations API and manual quote-prompting both ground an answer in exact source text, but they split the work differently:
Claude, GPT, and Gemini all discount cached input tokens, but the mechanics differ enough that a prompt cheap to cache
Claude’s budget_tokens, OpenAI’s reasoning.effort, and Gemini’s thinking_level all control how much a model reasons before answering, but none of them share a parameter shape. A side-by-side comparison, migration notes, and what each setting actually costs.
Claude, OpenAI, and Gemini each flag a truncated response with a different field and a different value: Claude’s Messages API
Claude, OpenAI, and Gemini all let a single model turn call more than one tool at once, but they document
Fixed-size, recursive, semantic, and contextual chunking split a document for retrieval in four genuinely different ways, and the choice changes
Choosing a structured-output mode comes down to three questions: does the provider validate your schema before generation or only after,