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Grok Blog

Grok 4.1 fast API
Nov 20, 2025
grok 4.1 fast
xAI

Grok 4.1 fast API

Grok 4.1 Fast is xAIโ€™s production-focused large model, optimized for agentic tool-calling, long-context workflows, and low-latency inference. Itโ€™s a multimodal, two-variant family designed to run autonomous agents that search, execute code, call services, and reason over extremely large contexts (up to 2 million tokens).

Grok 4.1 Released: How It Crushes Other Models
Nov 18, 2025
Grok 4.1

Grok 4.1 Released: How It Crushes Other Models

xAI quietly released Grok 4.1 (Nov 17โ€“18, 2025) โ€” a focused upgrade to Grok 4 that prioritizes emotional intelligence, creative expression, and reduced

Grok 4.1 API
Nov 19, 2025
Grok 4.1

Grok 4.1 API

Grok 4.1 is xAIโ€™s incremental upgrade to the Grok-4 family that xAI began rolling out in midโ€“late 2025. xAI presents Grok 4.1 as a release focused on improved conversational quality โ€” notably emotional intelligence, creative writing, and responsiveness .

Grok-4-fast API
Sep 30, 2025
Grokย 4
Grok 4 Fast
grok 4
Grok 4 Fast

Grok-4-fast API

Grok-4-Fast is xAIโ€™s new cost-efficient reasoning model designed to make high-quality reasoning and web search capabilities cheaper and faster for both consumer and developer use. xAI positions it as a frontier offering that preserves Grok-4โ€™s benchmark performance while improving token efficiency, and ships two variants tuned for either reasoning or non-reasoning workloads.

Grok Code Fast 1 API: What is and How to Access
Dec 2, 2025
grok-code-fast-1
xAI

Grok Code Fast 1 API: What is and How to Access

When xAI announced Grok Code Fast 1 in late August 2025, the AI community got a clear signal: Grok is no longer just a conversational assistant โ€” itโ€™s being

Does Grok allow NSFW? All You Need to Know
Dec 9, 2025
grok 4
xAI

Does Grok allow NSFW? All You Need to Know

While many AI platforms implement stringent filters to prevent the generation of Not Safe For Work (NSFW) content, Grok, developed by Elon Musk's xAI, has adopted a notably different approach. This article delves into Grok's stance on NSFW content, examining its features, implications, and the broader ethical considerations.

Grok-code-fast-1 Prompt Guide: All You Need to Know
Dec 2, 2025
grok-code-fast-1
xAI

Grok-code-fast-1 Prompt Guide: All You Need to Know

Grok Code Fast 1 (often written grok-code-fast-1) is xAIโ€™s newest coding-focused large language model designed for agentic developer workflows: low-latency,

Grok Code Fast 1 โ€” xAIโ€™s new low-cost, high-speed coding model
Dec 2, 2025
grok-code-fast-1

Grok Code Fast 1 โ€” xAIโ€™s new low-cost, high-speed coding model

August 28, 2025 โ€” xAI today introduced Grok Code Fast 1, a coding-focused variant in the Grok family designed to prioritize low latency and low cost for IDE