xAIReleased on Aug 28, 2025

Grok-4 Fast Non-Reasoning: Benchmarks, Pricing & Context Window

Grok-4 Fast Non-Reasoning is a language model from xAI, released in August 2025, with multimodal input.

Pushing the Frontier of Cost-Efficient Intelligence. Grok-4 Fast Non-Reasoning uses no thinking tokens for immediate responses, making it faster while maintaining high quality.

Input
TextImage
Output
Text
Speed
Latency p951.96s
Throughput P950.1char/s
Cost
$0.23/ 1M · 8:1 in:out
$0.20 in · $0.50 out

Grok-4 Fast Non-Reasoning pricing

Providers

Grok-4 Fast Non-Reasoning starts at $0.200 per million input tokens and $0.500 per million output tokens via xAI.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
xAI logoxAI
$0.200$0.5002.0M30.0K
1.96
0 c/s
—

Grok-4 Fast Non-Reasoning API

API access coming soon

Grok-4 Fast Non-Reasoning will be available through our gateway shortly.

Grok-4 Fast Non-Reasoning examples

Recent arena outputs from Grok-4 Fast Non-Reasoning, picked from the highest-ranked matchups.

Grok-4 Fast Non-Reasoning license

Grok-4 Fast Non-Reasoning is released under the Proprietary license, which restricts commercial use.

License
Proprietary
Non-commercial

Proprietary license - usage restrictions apply

FAQ

Common questions about Grok-4 Fast Non-Reasoning.

When was Grok-4 Fast Non-Reasoning released?

Grok-4 Fast Non-Reasoning was released on August 28, 2025 by xAI. This is the official Grok-4 Fast Non-Reasoning release date tracked on LLM Stats.

Is Grok-4 Fast Non-Reasoning available via API?

Yes, Grok-4 Fast Non-Reasoning is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

Who created Grok-4 Fast Non-Reasoning?

Grok-4 Fast Non-Reasoning was created by xAI.

What is the license for Grok-4 Fast Non-Reasoning?

Grok-4 Fast Non-Reasoning is released under the Proprietary license.

Is Grok-4 Fast Non-Reasoning multimodal?

Yes, Grok-4 Fast Non-Reasoning is multimodal and can accept both text and images as input.

Where can I use Grok-4 Fast Non-Reasoning?

Grok-4 Fast Non-Reasoning is available through 1 provider including xAI.