AnalysisTutorial / explainerLarge Language Models · Evaluation & Benchmarks · Agents & Tool Use1 source · Oct 19, 2026

The Model Swap Workshop: GPT-5.5 vs Kimi vs DeepSeek vs Mistral

Pamela Fox, Principal Cloud Advocate at Microsoft, runs the same scenarios against GPT-5.5, Kimi K2.6, DeepSeek V4 Flash and Mistral Large 3 on Microsoft Foundry so you can see where models differ and what you can do about it.

Proof1 independent outlet

Key points

  • Benchmarks won't tell you how a model behaves in your app.
  • Swapping it in and testing will.
  • NEXT UP: AI ENGINEER CODE SUMMIT
  • Where top models differ: counting, groundedness, vision, tool calls and parallel tool calling

Sources (1)

  • [1]The Model Swap Workshop: GPT-5.5 vs Kimi vs DeepSeek vs Mistral
    AI Engineer (YouTube) · Oct 19, 02:06 PM
    Pamela Fox, Principal Cloud Advocate at Microsoft, runs the same scenarios against GPT-5.5, Kimi K2.6, DeepSeek V4 Flash and Mistral Large 3 on Microsoft Foundry so you can see where models differ and what you can do about it.
    Benchmarks won't tell you how a model behaves in your app.

Extractive summary: sentences quoted from the sources.

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