xAIReleased on Nov 17, 2025

Grok-4.1 Thinking: Benchmarks, Pricing & Context Window

Grok-4.1 Thinking is a language model from xAI, released in November 2025, with multimodal input.

Grok 4.1 Thinking (code name: quasarflux) is the reasoning variant of Grok 4.1, bringing significant improvements to the real-world usability of Grok. The model is exceptionally capable in creative, emotional, and collaborative

Input
TextImage
Output
Text
Speed
Latency p951.20s
Throughput P9580.0char/s
Cost
$4.33/ 1M · 8:1 in:out
$3.00 in · $15.0 out

Grok-4.1 Thinking pricing

Providers

Grok-4.1 Thinking starts at $3.00 per million input tokens and $15.00 per million output tokens via xAI.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
xAI logoxAI
$3.00$15.00256.0K8.0K
1.20
80 c/s
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Grok-4.1 Thinking API

API access coming soon

Grok-4.1 Thinking will be available through our gateway shortly.

Grok-4.1 Thinking examples

Recent arena outputs from Grok-4.1 Thinking, picked from the highest-ranked matchups.

Grok-4.1 Thinking license

Grok-4.1 Thinking is released under the Proprietary license, which restricts commercial use.

License
Proprietary
Non-commercial

Proprietary license - usage restrictions apply

FAQ

Common questions about Grok-4.1 Thinking.

When was Grok-4.1 Thinking released?

Grok-4.1 Thinking was released on November 17, 2025 by xAI. This is the official Grok-4.1 Thinking release date tracked on LLM Stats.

Is Grok-4.1 Thinking available via API?

Yes, Grok-4.1 Thinking 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-4.1 Thinking?

Grok-4.1 Thinking was created by xAI.

What is the license for Grok-4.1 Thinking?

Grok-4.1 Thinking is released under the Proprietary license.

Is Grok-4.1 Thinking multimodal?

Yes, Grok-4.1 Thinking is multimodal and can accept both text and images as input.

Where can I use Grok-4.1 Thinking?

Grok-4.1 Thinking is available through 1 provider including xAI.

Where is the Grok-4.1 Thinking paper or technical report?

Grok-4.1 Thinking has a paper or technical report available at https://x.ai/news/grok-4.1. Use that source for architecture, training, release and evaluation details.