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Sources & verification notes

Grok 4.20 Multi-Agent 0309

grok-4.20-multi-agent-0309
  • Exact identifier & access

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

  • First availability

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

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

  • 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.

    The multi-agent label supports tool orchestration; other flags were not verified.

  • Capabilities & limits

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

    xAI's multi-agent guide says client-side function calling and custom tools are not currently supported by this model; it supports built-in tools such as web search and remote MCP tools. The model page lists function calling as supported.

  • Input price

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

    USD per 1M tokens for prompts below 200k tokens.

  • Output price

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

    USD per 1M tokens for prompts below 200k tokens.

  • Model card

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

  • 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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