LLM Reference
xAI

xAI

29 models across 6 families · Latest: Grok Imagine Video 1.5 Preview (2026-06)

Ethical AI for universal truth-seeking

CodingRAGAgentsLong contextVisionClassificationJSON / Tool useHighlight

xAI's portfolio covers 21 active models across 6 current families, spanning coding, rag, and agents. Open a model detail page to compare provider routes and sourced benchmarks.

Covers 7 workload areas across 21 active tracked models; last verified 2026-06-27.

Use it for

  • Teams evaluating coding, rag, and agents across this lab's releases
  • Comparing model families before committing to a flagship
  • Migration and pricing follow-ups across 21 tracked models

Do not use it for

  • Choosing a hosting provider without opening a model page for price ladders

Active models

21

Current models from this lab, excluding deprecated ones

Active families

6

Current model families from this lab

Open catalog

7 open

4 open source / 3 open weights

Lowest output price

$0.500 /1M

Cheapest tracked output across active models, per 1M tokens

Latest dated release

2026-06-03

Grok Imagine Video 1.5 Preview

Freshness

2026-06-27

Researched 5d ago

fresh

Information

Founded2023
San Francisco, California, United States

Release cadence

Showing 5 recent dated releases (full timeline below). Latest: Grok Imagine Video 1.5 Preview (2026-06-03).

Where this lab wins

  • Coding: 4 tracked models with SWE-bench / HumanEval-style scores.
  • RAG: 8 tracked models with ruler / needle retrieval benchmarks.
  • Agentic: 8 tracked models with BFCL, tau-bench, and SWE-bench tool-use coverage.
  • Long-context: 11 tracked models with context-token or InfiniteBench-class signal.

Flagship quality / price signal

Flagship: Grok-2 (best sourced coding quality-per-dollar in this portfolio).

Coding task grade B · humaneval score 88.4 · cheapest tracked output $0.500 per 1M tokens

xAI is an American AI research organization founded in 2023. Ethical AI for universal truth-seeking. xAI ships 6 model families totaling 29 models, with the most recent release Grok Imagine Video 1.5 Preview in 2026-06. Notable families include Grok Image, Grok 4, and Grok Voice. Use it as a stable reference for lab background, release coverage, and follow-up model pages as they. View official API endpoints, benchmark performance, and coding/agent fit for every xAI model.

About

xAI, founded in March 2023 by Elon Musk, is a pioneering entity in the realm of artificial intelligence research, emphasizing advancements in generative AI and large language models (LLMs). The company's mission to "understand the true nature of the universe" implies a focus on groundbreaking AI developments rather than immediate commercial gains. This approach positions xAI as a leader in exploring fundamental AI questions, a goal supported by their team's vast expertise in AI research and development, including significant contributions to critical AI methodologies like the Adam optimizer and Transformer-XL. Located in the San Francisco Bay Area and initially incorporated in Nevada, xAI benefits significantly from its strategic collaborations with X Corp and Tesla. These partnerships grant the company access to extensive datasets and computational resources, significantly enhancing its capacity to innovate and deploy cutting-edge AI solutions. The synergy with X Corp, in particular, hints at potential applications of xAI's technologies across various platforms, including social media, illustrating the transformative power of integrating AI with diverse digital ecosystems. At the forefront of xAI's achievements in AI research is the development of Grok, a conversational AI. The release of multiple iterations, such as Grok-1, Grok-1.5, Grok-1.5V, and Grok-2, demonstrates xAI's commitment to advancing LLMs capable of sophisticated reasoning and problem-solving. The decision to make Grok-1 open source manifests their dedication to fostering community engagement and collaborative progress within the AI research community. Additionally, the introduction of PromptIDE, a specialized integrated development environment for prompt engineering, underscores xAI's dedication to refining the tools essential for effective work with LLMs. xAI's financial trajectory, marked by a significant Series B funding round in May 2024 that valued the company at $24 billion, reflects a robust confidence in its potential by leading venture capital firms. Despite some discrepancies regarding the company's fundraising activities, including denials by Elon Musk about actively seeking funds, the substantial investment illustrates high expectations for xAI’s future contributions to AI advancements. This dynamic financial backdrop emphasizes the ever-evolving nature of xAI's journey as it navigates the challenges and opportunities within the AI industry landscape.

Featured models

ModelReleasedContextInput price ($/1M)Output price ($/1M)LicenseOpenness
Grok Imagine Video 1.5 Preview2026-06-03---ProprietaryProprietary
Grok Build 0.12026-05-14256k$1.00$2.00ProprietaryProprietary
Grok Imagine Image Quality2026-05-06---ProprietaryProprietary

Model families

Recent releases

  1. Grok Imagine Video 1.5 Preview- 2026-06-03
  2. Grok Build 0.1- 2026-05-14
  3. Grok Imagine Image Quality- 2026-05-06
  4. Grok 4.3- 2026-05-06
  5. Grok Voice Think Fast 1.0- 2026-04-23

Top comparisons

FAQ

Who founded xAI and when?

xAI was founded in 2023 and is associated with San Francisco, California, United States.

What models has xAI released?

xAI ships 29 models across 6 families: Grok Image, Grok 4, and Grok Voice.

Is xAI's technology open source?

Some xAI models are open-weight (Grok 2 Vision, Grok-2, and Grok-2 Mini); others are proprietary (Grok Imagine Video 1.5 Preview, Grok Imagine Image Quality, and Grok Imagine).

Where is xAI headquartered?

xAI is headquartered in San Francisco, California, United States.

What is xAI known for?

Ethical AI for universal truth-seeking. Its most prominent tracked family is Grok Image.

How can I access xAI's models?

xAI's models are available via xAI Console, AWS Bedrock, Chutes AI, Inceptron, and Microsoft Foundry.

Explore related pages

Last reviewed: 2026-06-27. Data sourced from public lab announcements and provider documentation.