# xAI: what AI models say (September 2026)

Source: Memetik Index, https://www.memetik.ai/vendors/xai
Website: https://x.ai

xAI was named in 4 of 50 AI answers across 1 category. Best position: LLM APIs, 8% answer share, ranked #14, named first in 0%.

## What xAI is

xAI provides Grok AI models through a unified API for developers and teams building AI-powered products. It offers usage-based pricing, with monthly invoicing for supported team arrangements.

Developers access Grok models with an API key. The API provides text, code, voice, image and video capabilities. Teams can use custom rate limits, support, invoicing, single sign-on, audit logging and data-residency options.

Pricing: It offers usage-based pricing, with monthly invoicing for supported team arrangements.
(From xAI's own website, read 2026-09-02.)

## By category

| Category | Rank | Answer share | Named first | Models |
|---|---|---|---|---|
| LLM APIs (https://www.memetik.ai/index/llm-apis) | #14 of 15 | 8% | 0% | GPT-5.6 Sol, Claude Opus 5, Claude Fable 5 |

## What the models said

> "Add Mistral when deployment control or European hosting matters, Cohere for enterprise retrieval, and xAI when its particular model behavior or ecosystem is strategically useful."
> — GPT-5.6 Sol, LLM APIs

> "Ranked by the metric you actually care about: the cheapest production-grade model is Grok 4.5 at $2.00/$6.00, and the cheapest frontier-tier model is Claude Opus 5 at $5.00/$25.00."
> — Claude Opus 5, LLM APIs