Salesforce ships Koa, its first reasoning model, born from a 3-year-old function calling bet
huan__wang · x · 2026-09-18
A researcher on the Salesforce AI Research team recounts how, almost 3 years ago, a small team bet that teaching models to take the right actions — function calling — would matter enormously for AI agents. That bet shipped this week as Salesforce Koa, the company's first reasoning model. The thread traces the journey from the early call to launch, arguing tool-use capability is foundational for agents.
Related event: Salesforce Launches First Reasoning Model Koa with NVIDIA(7 posts)→
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