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Monthly roundup

March 2026 in AI models

A release-wave summary for readers who want the important changes without pretending every launch is a reason to switch.

The signal

8 tracked releases across 5 providers

Cursor, MiniMax, OpenAI, Mistral, Google account for 8 tracked release events. 3 catalogued events link to a detailed comparison profile. 1 launch guide is available for deeper trade-off coverage. There is no single winner because the constraints are different.

At a glance

Release events
8
Profile links
3

What shipped and changed

  1. ReleaseSecondary receipt

    Composer 2

    Cursor

    AI Release Tracker latest index (secondary source)
  2. Release

    MiniMax M2.7

    MiniMax

    MiniMax model release notes
  3. Release

    GPT-5.4 mini

    OpenAI

    OpenAI API changelog
  4. Release

    GPT-5.4 nano

    OpenAI

    OpenAI API changelog
  5. Release

    Mistral Small 4

    Mistral

    Mistral docs — Mistral Small 4
  6. Release

    GPT-5.4

    OpenAI

    OpenAI API changelog
  7. Release

    GPT-5.4-Pro

    OpenAI

    OpenAI API changelog
  8. Limited preview

    Gemini 3.1 Flash-Lite Preview

    Google

    Date note: Preview release; general availability followed on 2026-05-07.

    Gemini API deprecations (release dates)

Read the important launches

Z.ai

GLM 5.2: open weights, text-only, unpublished size

GLM 5.2 is a historical Z.ai model entry before GLM 5.3. Its profile's context, output and token price describe the documented API row; parameter count remains unpublished or conflicting across primary materials.

Should you switch?Open-weight coverage