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xAIReleased on Nov 17, 2025

Grok-4.1 Fast Non-Reasoning: Benchmarks, Pricing & Context Window

Grok-4.1 Fast Non-Reasoning is a language model from xAI, released in November 2025, with multimodal input, a 2M-token context window, and pricing from $0.200/M input and $0.500/M output.

Bringing the next generation of tool-calling agents to the xAI API. Grok-4.1 Fast Non-Reasoning uses no thinking tokens for immediate responses, making it faster while maintaining high quality.

Input
TextImage
Output
Text
Speed
Throughput P9590.0char/s
Cost
$0.21/ 1M · 20:1 in:out
$0.20 in · $0.50 out

Grok-4.1 Fast Non-Reasoning pricing

Providers

Grok-4.1 Fast Non-Reasoning starts at $0.200 per million input tokens and $0.500 per million output tokens via xAI.

ProviderInput $/MCached input $/MOutput $/MContext in / outTTFT p95 sOutput p5 c/sModalities in / out
xAI logoxAI
$0.200—$0.5002.0M/30.0K
—
—
/

Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.

Grok-4.1 Fast Non-Reasoning context window

Input and output token limits for Grok-4.1 Fast Non-Reasoning, plus how it ranks on long-context understanding.

InputOutput
2Mtokens
30Ktokens
≈ 3.0k pages of text
2M
8K128K1M

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Grok-4.1 Fast Non-Reasoning

Grok-4.1 Fast Non-Reasoning latency

Grok-4.1 Fast Non-Reasoning time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.

Grok-4.1 Fast Non-Reasoning examples

Recent arena outputs from Grok-4.1 Fast Non-Reasoning, picked from the highest-ranked matchups.

Grok-4.1 Fast Non-Reasoning license

Grok-4.1 Fast Non-Reasoning is a proprietary model available under its provider's product and API terms.

License
Proprietary
Hosted access

Proprietary license - usage restrictions apply

Grok-4.1 Fast Non-Reasoning resources

Official sources for Grok-4.1 Fast Non-Reasoning: provider documentation, official playground, official launch post.

FAQ

Common questions about Grok-4.1 Fast Non-Reasoning.

When was Grok-4.1 Fast Non-Reasoning released?

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

How much does Grok-4.1 Fast Non-Reasoning cost?

Grok-4.1 Fast Non-Reasoning pricing starts at $0.20 per million input tokens and $0.50 per million output tokens via xAI, the lowest price among tracked providers.

Who created Grok-4.1 Fast Non-Reasoning?

Grok-4.1 Fast Non-Reasoning was created by xAI.

What is the license for Grok-4.1 Fast Non-Reasoning?

Grok-4.1 Fast Non-Reasoning is released under the Proprietary license.

Is Grok-4.1 Fast Non-Reasoning multimodal?

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

Where can I use Grok-4.1 Fast Non-Reasoning?

Grok-4.1 Fast Non-Reasoning is available through 1 provider including xAI.

Where is the Grok-4.1 Fast Non-Reasoning paper or technical report?

Grok-4.1 Fast Non-Reasoning 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.