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Monthly roundup

February 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

11 tracked releases across 7 providers

Google, Anthropic, SpaceXAI, Qwen, Z.ai, OpenAI, Cursor account for 11 tracked release events. 1 catalogued event links 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
11
Profile links
1

What shipped and changed

  1. Limited preview

    Gemini 3.1 Pro Preview

    Google

    Limited preview access began; not treated as a general-availability catalog release date.

    Gemini API deprecations (release dates)
  2. Release

    Claude Sonnet 4.6

    Anthropic

    Anthropic model deprecations (release dates)
  3. ReleaseSecondary receipt

    Grok 4.20 Beta

    SpaceXAI

    AI Release Tracker latest index (secondary source)
  4. ReleaseSecondary receipt

    Qwen3.5

    Qwen

    AI Release Tracker latest index (secondary source)
  5. ReleaseSecondary receipt

    Qwen3.5-Plus

    Qwen

    AI Release Tracker latest index (secondary source)
  6. ReleaseSecondary receipt

    GLM-5

    Z.ai

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

    GPT-5.3-Codex-Spark

    OpenAI

    OpenAI API changelog
  8. ReleaseSecondary receipt

    Composer 1.5

    Cursor

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

    Claude Opus 4.6

    Anthropic

    Anthropic model deprecations (release dates)
  10. Release

    GPT-5.3-Codex

    OpenAI

    OpenAI API changelog
  11. ReleaseSecondary receipt

    Qwen3-Coder-Next

    Qwen

    AI Release Tracker latest index (secondary source)

Read the important launches

Google

Gemini 3.1 Pro Preview: long context and multimodal input

Gemini 3.1 Pro targets long-document and multimodal API workloads. Check the current endpoint's release state, limits and account access before production use.

Should you switch?Open-weight coverage