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xAIReleased July 10, 2025

Grok 4

xAI · Released July 10, 2025

Intelligence score

33

At a glance

Intelligence
33
Speed
—
Latency
—
Input price
$5.50per 1M tokens
Output price
$27.50per 1M tokens
Context window
260Ktokens
Parameters
—

Summary

Comparison summary

Grok 4 scores 33 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 28). Grok 4 costs $5.50 per 1M input tokens (at the higher end, median: $1.50) and $27.50 per 1M output tokens (at the higher end, median: $8.40), based on the median across providers serving the model.

Specifications

Technical specifications

Model nameGrok 4
ProviderxAI
Release dateJuly 10, 2025
Intelligence score33
Speed—
Latency (TTFT)—
Input price$5.50 / 1M tokens
Output price$27.50 / 1M tokens
Context window260,000 tokens
Parameters—
ReasoningYes
Input modalitiestext, image
Output modalities—
Open weightsNo
License—
API availability—
SourceModel Intelligence legacy profile: grok-4

Pricing

Token prices

Price per 1M tokens

Grok 4, as listed in the catalog record

Input $5.50 and output $27.50 per 1M tokens. Missing prices are hatched and marked "Not published".
  1. Input$5.50
  2. Output$27.50

Model Intelligence legacy profile: grok-4

FAQ · 16

Frequently asked questions

Grok 4 was released on July 10, 2025.

Grok 4 was created by xAI.

Grok 4 scores 33 (estimated) on the Artificial Analysis Intelligence Index, placing it above average among other reasoning models in a similar price tier (median: 28).

Grok 4 costs $5.50 per 1M input tokens (at the higher end, median: $1.50) and $27.50 per 1M output tokens (at the higher end, median: $8.40), based on the median across providers serving the model.

Grok 4 costs $5.50 per 1M input tokens and $27.50 per 1M output tokens (based on the median across providers serving the model). For a blended rate (7:2:1 cache hit/input/output ratio), this is $7.70 per 1M tokens. Pricing may vary by provider.

Yes, Grok 4 is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.

Grok 4 supports text and image input.

Grok 4 supports text output.

Yes, Grok 4 supports image input and can analyze, describe, and answer questions about images.

Yes, Grok 4 is multimodal. It can process text and image input and generate text output.

Grok 4 has a context window of 260k tokens. This determines how much text and conversation history the model can process in a single request.

No, Grok 4 is proprietary. The model weights are not publicly available.

Grok 4 is a proprietary model and xAI has not disclosed the model size or parameter count.

Grok 4 achieves a score of 33 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.

Yes, Grok 4 is available via API through 1 provider.

Grok 4 is available through 1 API provider.