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AI model · xAI

Grok 4.6

xAI released Grok 4.6 on 12 Aug 2026. API list price: $2.00 per million input tokens and $6.00 per million output tokens. Grok’s current pricing page puts it on the free plan.

The record

each fact with its source

Released

12 Aug 2026

Released in Cursor, Grok Build and the API, and through partners including OpenRouter, Vercel and Cloudflare The lab’s announcement

API list price, per million tokens

$2.00 in $6.00 out

Requests up to 200K tokens in us-east-1 and us-west-2 (us-central-1: $2.20 in, $6.60 out). Cached input $0.50.

xAI’s pricing page, read 23 Oct 2026

On the free plan?

Included now

Current pricing lists Grok 4.6 on Free. That table is the only evidence: Free’s Fast mode on grok.com names no model. The first free-tier inclusion date is not published. Source

The Access Gap, checked 3 Oct 2026

xAI’s other recent models

data through 30 Oct 2026

  1. 21 Sep 2026 Grok 4.7 Released to the API, Cursor and Grok Build
  2. 8 Jul 2026 Grok 4.5 Described by Musk as an Opus-class model; trained partly on real coding-session data
  3. 19 Nov 2025 Grok 4.1 Fast Fast tier of Grok 4.1 for agentic tool use, on the API
  4. 19 Sep 2025 Grok 4 Fast Cost-efficient reasoning model at $0.20 in and $0.50 out, for all users including free and on the API; xAI’s second tier beside Grok 4
  5. 4 Nov 2024 grok-beta xAI’s API public beta opened with “a preview of a new Grok model”

Grok 4.6 in xAI’s full release log · its row on the release chart

Release dates and notes come from the site’s release record, data through 30 Oct 2026; each links the lab’s own announcement. Prices are list prices as the lab’s pricing page printed them on the day shown, before any discount. Something wrong? Tell us.