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SpaceXAI released Grok 4.7 with a 500k-token context window

2026-09-22 · that week's edition · one of the five

Grok 4.7 is now available on the xAI API as grok-4.7.

Quoted from docs.x.ai on 2026-09-22: It has a 500k context window, text and image inputs with text-only… Quoted from docs.x.ai, checked 2026-09-22. “ It has a 500k context window, text and image inputs with text-only output, and no text output limit.” quoted from docs.x.ai · checked 2026-09-22
docs.x.ai, quoted / Release Notes · source · Quoted under the quotation exception; no licence granted

Grok 4.7, which SpaceXAI describes as its frontier model for coding, agentic tasks and knowledge work, is now available on the xAI API as grok-4.7. It has a 500k context window, takes text and image inputs with text-only output, and costs $2 / $0.50 / $6 per 1M tokens (input / cached input / output) below 200k prompt tokens, rising to $4 / $1 / $12 above that threshold.

What this rests on

  1. Grok 4.7 has a 500k context window

    narrowed to what the source supports
    Release Notes · xAI

  2. Grok 4.7 costs $2 / $0.50 / $6 per 1M tokens (input / cached input / output) below 200k prompt tokens

    narrowed to what the source supports
    Release Notes · xAI

  3. Above 200k prompt tokens, Grok 4.7 costs $4 / $1 / $12 per 1M tokens (input / cached input / output)

    narrowed to what the source supports
    Release Notes · xAI

  4. Grok 4.7 takes text and image inputs with text-only output

    narrowed to what the source supports
    Release Notes · xAI

  5. Grok 4.7, SpaceXAI's frontier model for coding, agentic tasks, and knowledge work, is now available on the xAI API as `grok-4.7`.

    Release Notes · xAI

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