Grok

What is Grok 4.2: Features, Architecture and Comparisons
Mar 19, 2026
grok 4.2

What is Grok 4.2: Features, Architecture and Comparisons

Grok 4.2 is xAI’s public-beta flagship in the Grok 4 family: a multi-agent, tool-enabled generation model with industry-leading throughput, a giant 2,000,000-token agent mode context window, and specialized API variants such as grok-4.20-multi-agent-beta-0309, grok-4.20-beta-0309-reasoning, and grok-4.20-beta-0309-non-reasoning. It’s optimized for fast, agentic workflows (real-time X data / tool calling), is available in Web, iOS/Android and early API channels eg CometAPI, and is aimed at users needing fast, live-data aware assistants rather than the deepest long-form reasoning.
Mar 19, 2026
grok 4.2

How to Use Grok 4.2 API in 2026

Grok 4.2 is xAI’s latest multi-agent reasoning model that combines four cooperating agents and new agentic tool-calling features to deliver much faster, lower-hallucination inference for enterprise workloads. To call it today most developers either (a) use the official xAI REST/gRPC endpoints or (b) call it through an aggregator like CometAPI (single REST endpoint,post https://api.cometapi.com/v1/responsess) which simplifies keys, billing, and multi-model switching.
Does Grok allow NSFW Now(As of early 2026)?
Feb 28, 2026
grok 4
xAI

Does Grok allow NSFW Now(As of early 2026)?

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 4.2: what will it bring and Why It Matters in AI in 2026
Mar 19, 2026
grok 4.2

Grok 4.2: what will it bring and Why It Matters in AI in 2026

Grok 4.2, a sophisticated iteration of Elon Musk’s flagship model. Unlike its predecessors, Grok 4.2 has arrived through a series of "stealth checkpoints"—mysterious model variants appearing on leaderboards under codenames like *Obsidian, Vortex Shade, and Quantum Crow.
Grok 4.1 fast API
Jan 6, 2026
grok 4.1 fast
xAI

Grok 4.1 fast API

Grok 4.1 Fast is xAI’s production-focused large model, optimized for agentic tool-calling, long-context workflows, and low-latency inference. It’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
Jan 15, 2026
Grok 4.1

Grok 4.1 Released: How It Crushes Other Models

xAI quietly released Grok 4.1 (Nov 17–18, 2025) — a focused upgrade to Grok 4 that prioritizes emotional intelligence, creative expression, and reduced
Grok 4.1 API
Jan 6, 2026
Grok 4.1

Grok 4.1 API

Grok 4.1 is xAI’s incremental upgrade to the Grok-4 family that xAI began rolling out in mid–late 2025. xAI presents Grok 4.1 as a release focused on improved conversational quality — notably emotional intelligence, creative writing, and responsiveness .
Grok-4-fast API
Mar 19, 2026
grok 4
Grok 4 Fast
grok 4
Grok 4 Fast

Grok-4-fast API

Grok-4-Fast is xAI’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-4’s benchmark performance while improving token efficiency, and ships two variants tuned for either reasoning or non-reasoning workloads.