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GPT-5.6 Is Launching Today

Thursday, July 9, 2026 · what moved in the AI release cycle in those 24 hours.

xAI's Grok 4.5 is confirmed released via API, with Elon Musk describing it as an 'Opus-class' model following positive beta feedback. OpenAI has confirmed the GPT-5.6 Sol family will launch today, Thursday, July 9th. Anthropic drew contrasting government attention: the US reportedly deploying Claude Mythos for vulnerability scanning while China issued a security warning over Claude Code.

An AI summary of the day’s tracked items. It may contain errors; every item below links to its source.

Top stories

  1. 1

    Grok 4.5 is out

    A confirmed frontier release from xAI, with Musk positioning Grok 4.5 as an 'Opus-class' model.

    Grok 4.5

  2. 2

    OPENAI 🔥: GPT-5.6 Sol, Terra and Luna, are set to launch on Thursday! Additionally, a preview access to these models has been expanded globally. No more ban 👀 https://t.co/PN7ZZ970TA https://t.co/78clGSNnHfRumor

    Rumors of a Thursday launch for GPT-5.6 Sol, Terra, and Luna with expanded global preview access suggest OpenAI's next release is imminent.

    GPT-5.6 Sol · @TestingCatalog

  3. 3

    China Says It Has Found Security Vulnerabilities in Anthropic’s Claude Code - WSJ

    China's official security warning about Claude Code, alongside US government adoption of Anthropic models, shows frontier AI becoming a geopolitical flashpoint.

    Claude 3.5 Sonnet · Anthropic

Picked by AI from the day’s tracked items; every link goes to the source.

Released

Grok 4.5 is out.

Confirmed via the API at Jul 8, 2026, 5:39 PM UTC.

Crowd-guess shifts

Where the community’s average release-date guess moved since yesterday.

  • GPT-5.6 Sol moved 4 days earlier to 2026-07-18 (3 guesses)

News & rumors added

Every story we’re tracking →