AI releases in June 2026

In June 2026, we tracked 62 releases from 13 companies. That is down 12 from May 2026 (74). OpenAI shipped the most (11), then Cursor (10) and Anthropic (9).

Releases

62

May 2026: 74

Companies shipping

13

May 2026: 14

Most shipped

Product

23 releases

Key launches in June 2026

  • Model

    Anthropic

    Claude Sonnet 5 launch

    Claude Sonnet 5 launch with improvements in reasoning, tool use, coding, and knowledge work

  • Model

    Mistral AI

    Leanstral 1.5 Release

    We released Leanstral 1.5 ( labs-leanstral-1-5 ), an updated Lean 4 formal proof engineering model with improved SFT mixture quality and extended long-context reasoning. This model will be retired on September 30, 2026 .

  • Model

    Runway

    Gemini Omni Flash

    Generate and edit video with Gemini Omni Flash, now in Runway. Start with a prompt, an image or video and create anything you can imagine.

  • Model

    Runway

    Seed Audio 1.0

    Generate up to 120 seconds of dynamic speech, sound design and music with simple text prompts.

  • Model

    Mistral AI

    Leanstral 1.5 Release

    Released Leanstral 1.5, an updated Lean 4 formal proof engineering model with improved SFT mixture quality and extended long-context reasoning. This model will be retired on September 30, 2026.

  • Model

    Anthropic

    Claude Fable 5 launch

    Claude Fable 5 launch as a Mythos-class model safe for general use

  • Model

    Google Gemini

    Gemma 4 QAT Optimization Release

    New QAT checkpoints for Gemma 4 optimize memory efficiency and on-device performance through advanced quantization techniques.

  • Product

    Cursor

    Team Marketplace Updates

    Expanded team marketplaces to support Team MCPs and organization groups. Admins can configure Team MCP servers for cloud agents, agents window, IDE, and CLI. Team marketplaces now support organization groups in addition to team-level SCIM directory groups.

Who shipped most

Releases per company in June 2026. Each name opens that company's June 2026 changelog.

Through the month

Releases by day of the month, across every company. A longer bar is a busier stretch.

  • Days 1–716
  • Days 8–1412
  • Days 15–219
  • Days 22–2815
  • Days 29–3010

By category

  • Product23
  • Developer Tools14
  • Model11
  • API7
  • Enterprise & Security4
  • Ecosystem1

Every AI release in June 2026

Grouped by company, busiest first, with each company's latest releases. Titles open the entry on the company's month page; source links go to the official announcement.

3 more companies · 4 releases

June 2026 AI releases FAQ

What AI models were released in June 2026?

Model releases we tracked in June 2026 include Claude Sonnet 5 launch from Anthropic (June 30, 2026), Leanstral 1.5 Release from Mistral AI (June 30, 2026), Leanstral 1.5 Release from Mistral AI (June 26, 2026), OCR 4 Release from Mistral AI (June 23, 2026), Mistral Small 3.2 Release from Mistral AI (June 20, 2026) and Magistral Medium and Small Release from Mistral AI (June 10, 2026). Each one is listed below with a link to the official announcement.

Which AI company shipped the most in June 2026?

OpenAI shipped the most, with 11 releases, mostly Developer Tools. Cursor was next with 10.

How many AI releases were there in June 2026?

We tracked 62 releases from 13 companies in June 2026. A release is one announced change, so a major model launch and a small fix each count once.

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