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xAI’s Grok 4.6 release: API capabilities, settings and pricing

xAI’s release says Grok 4.6 is available via its API with a 500,000-token context window, text and image inputs, text-only output, and four reasoning-effort settings. It lists one set of token rates below 200,000 prompt tokens and doubled rates above that threshold. All details are first-party claims.

Published 21 Aug 20263 min1 sourcesOriginal synthesis only
Abstract editorial illustration with layered translucent modules and interlocking abstract blocks representing The release information may help developers assess an AI API option for coding and knowledge-work use cases.
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xAI says Grok 4.6 is available through its API for coding, agentic tasks, and knowledge work. Its release describes a 500,000-token context window, text and image inputs, text-only output, configurable reasoning effort, and two pricing tiers based on prompt-token volume.

01

What we know now

  • 01

    [1] xAI release notes, “Grok 4.6,” published 12 August 2026. Official first-party announcement and the sole supplied source.

  • 02

    xAI’s release states that Grok 4.6 is available through the xAI API for coding, agentic tasks, and knowledge work.

  • 03

    xAI lists a 500,000-token context window, text and image inputs, text-only output, four reasoning-effort settings, and token prices that vary above and below 200,000 prompt tokens.

02

Why this matters for Armenia

Developers and organisations in Armenia can use the release details as a first-party reference when comparing API options for coding and knowledge-work workflows. The supplied record does not provide local availability, pricing, language support, or deployment information specific to Armenia.

03

DATA / PROCESSGrok 4.6 API details at a glance
01500k tokens

Advertised context capacity

xAI lists a 500,000-token context window.
02Text + image

Input and output modes

The release lists text and image inputs, with text-only output.
03High

Default reasoning setting

xAI identifies high as the default among four reasoning-effort settings.
04$2 / 1M

Lower-tier input price

Listed price for input tokens below 200,000 prompt tokens is $2 per million tokens.

All values are first-party release claims and should be checked against current API documentation.

04

Availability and stated capabilities

According to xAI’s release, Grok 4.6 is offered through the xAI API. The announcement positions it for coding, agentic tasks, and knowledge work, while listing a 500,000-token context window. It describes multimodal input through text and images, but specifies text-only output.

  • Advertised API use cases include coding, agentic tasks, and knowledge work.
  • The stated context window is 500,000 tokens.
  • The model accepts text and image inputs and returns text-only output.
  • xAI states that there is no text-output limit.
Source 01

05

Reasoning-effort options

xAI lists four reasoning-effort settings: low, medium, high, and xhigh. The release identifies high as the default setting. The supplied record does not explain expected trade-offs among these settings, such as response time, token use, or output quality.

  • Low
  • Medium
  • High, listed as the default
  • Xhigh
Source 01

06

Listed token pricing

The release presents two token-pricing bands determined by prompt-token volume. Below 200,000 prompt tokens, xAI lists lower rates for input, cached input, and output tokens. Above that threshold, each listed rate doubles. These are vendor-stated prices, and the packet does not provide an end date or independent confirmation.

  • Below 200,000 prompt tokens: $2 input, $0.50 cached input, and $6 output per 1 million tokens.
  • Above 200,000 prompt tokens: $4 input, $1 cached input, and $12 output per 1 million tokens.
Source 01

07

Practical next steps

Treat the announcement as a preliminary vendor specification and validate current terms before implementation.

  1. 01

    Check the current xAI API documentation for availability, model identifiers, rate limits, and any terms not included in the supplied release record.

  2. 02

    Estimate prompt and output volumes separately, particularly for workloads that may exceed 200,000 prompt tokens.

  3. 03

    Test representative text and image-input tasks, since the announced output modality is text only.

  4. 04

    Compare reasoning-effort settings against required latency, quality, and cost for a specific workload.

08

Limits of this edition

  • The supplied material consists only of xAI’s first-party release information; no independent corroboration was provided.

  • Availability and pricing can change, and the packet gives no explicit expiry date for these details.

  • The release does not provide performance comparisons, rate limits, regional availability, or implementation guidance.

SRC

Source desk

Direct links to the material behind this selection. Seeing the source matters as much as reading the synthesis.

01Grok 4.6xAI release notesPrimary sourceChecked 20 Aug 2026

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