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Sources & verification notes

Grok 4.5

grok-4.5
  • Exact identifier & access

    Identity and lifecycle apply to this exact identifier and serving surface.

  • First availability

    Effective Jul 8, 2026. Checked Sep 13, 2026. Re-verification needed.

  • Availability status

    Effective date not established; this is an observation. Checked Sep 13, 2026. Re-verification needed.

  • Capabilities & limits

    Effective date not established; this is an observation. Checked Sep 13, 2026. Re-verification needed.

    Release note documents configurable reasoning low/medium/high, default high; other flags unverified.

  • Capabilities & limits

    Effective date not established; this is an observation. Checked Sep 23, 2026.

    • Grok 4.5 ↗xAI · provider-authored · checked Sep 23, 2026
  • Input price

    Effective date not established; this is an observation. Checked Sep 23, 2026.

    Derived from the captured rate card's standard token row.

  • Output price

    Effective date not established; this is an observation. Checked Sep 23, 2026.

    Derived from the captured rate card's standard token row.

  • Model card

    Effective date not established; this is an observation. Checked Sep 23, 2026.

  • Official announcement

    Effective Jul 16, 2026. Checked Sep 23, 2026.

    Launch post is dated Jul 16, 2026; the release notes entry for the API is dated July 8.

  • Full rate card

    Effective date not established; this is an observation. Checked Sep 23, 2026.

  • License

    Effective date not established; this is an observation. Checked Sep 23, 2026.

    Not verified. These sources establish the identifier, not this missing fact.

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