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Steven Heidel is a person based in San Francisco who works at OpenAI.
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Nov 2025 — Dec 2025
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- announcement2
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- technical1
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- breakthrough1
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Claude Code1GPT-3.51GPT-41GPT-5.11ChatGPT1
Articles
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Steven Heidel as author
Claude Code Over Excel
Thread ReaderannouncementpositiveDec 2, 2025
LlamaIndex released LlamaSheets API and function calling fine-tuning support to enable Claude and GPT-3.5 to perform more sophisticated Excel analysis and structured reasoning tasks with semantic understanding of data.
“Author of "Claude Code Over Excel" in Thread Reader”
AI AgentsLLMsAI ProductsGenerative AI
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Research or work cited
We're Rolling Out GPT-5.1 and New Customization Features. Ask Us Anything
RedditannouncementpositiveNov 17, 2025
OpenAI is rolling out GPT-5.1 with a warmer, more conversational tone and eight new customizable chat styles to all ChatGPT users.
“Referenced in "We're Rolling Out GPT-5.1 and New Customization Features. Ask Us Anything" in Reddit”
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