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AI model reference · 2026

Grok 4.6

SpaceXAI: Grok 4.6 logoxAIModel details, evidence, and API facts

Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

Text generation
Image input
Reasoning
Provider endpoint accepts tool parameters
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Context window
500,000 tokens
Maximum output
Not available
Base provider API input
$2.00 / 1M tokens
Starting provider API rate; context tiers apply
Published evidence
Not available

Overview

About Grok 4.6

A concise catalog overview. Technical limits and published evaluation evidence are listed separately below.

Grok 4.6 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

text
multimodal
reasoning

Published evaluations

Benchmark results

Only results mapped to this exact model and backed by a named source appear here. Different evaluation protocols are not treated as interchangeable.

No reviewed benchmark result is available for this exact model yet. We leave this section empty instead of assigning a nearby model’s score.

Human preference

Arena results

Arena scores come from blind human preference votes. They are reported separately from task benchmarks and are not used as substitutes for missing benchmark results.

No exact Arena match is available for this model. Similar names and provider variants are not merged automatically.

Technical reference

Specifications and API facts

Technical limits and reference provider prices come from the current catalog unless a reviewed external source is listed. Missing values stay marked as unavailable.

Model
Provider
xAI
Release date
Not available in reviewed sources
Catalog added
Aug 12, 2026
Context window
500,000 tokens
Maximum output
Not available
Knowledge cutoff
Not available in reviewed sources
License
Not available in reviewed sources
Capabilities and API
Input types
Text, Image, File
Output types
Text
Reasoning
Supported
Provider endpoint tool parameters
Accepts tool parameters
Base provider API input
$2.00 / 1M tokens
Base provider cached input
$0.50 / 1M tokens
Base provider API output
$6.00 / 1M tokens
Provider tier at ≥ 200,000 prompt tokens
Input $4.00 / 1M tokensOutput $12 / 1M tokensCached input $1.00 / 1M tokens

Provider token rates are context-dependent. The base rates apply below the listed prompt thresholds; the matching tier applies at or above each threshold.

These are reference provider API rates, not Writingmate checkout charges. Access in Writingmate follows the allowances of your Writingmate plan.

Provenance

Sources and update status

Source links are attached to the facts and evaluations they support. Catalog-only values are not presented as independently verified claims.

Evidence update date is not available.

Catalog record updated Aug 12, 2026.

Catalog-added dates describe when a model entered the catalog, not necessarily its public release date.

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