AI Organization25 models

xAI: AI models, benchmarks & research

Elon Musk AI company

ProprietaryMultimodalImage generationVideo generation
#2factuality#7math#9code#10general#10agents#10biology
Model
Grok 4.5MultimodalNew
Grok 4.3
Grok-4.20 Beta Non-ReasoningMultimodal
Grok-4.20 Beta ReasoningMultimodal
Grok-4.20 Multi-Agent BetaMultimodal
Grok Imagine Image ProImage
Grok Imagine VideoVideo
Grok Imagine ImageImage
Grok-4.1Multimodal
Grok-4.1 Fast Non-ReasoningMultimodal
Grok-4.1 Fast ReasoningMultimodal
Grok-4.1 ThinkingMultimodal
Grok 4 FastMultimodal
Grok-4 Fast Non-ReasoningMultimodal
Grok-4 Fast ReasoningMultimodal
Grok Code Fast 1
Grok-4Multimodal
Grok-4 HeavyMultimodal
Grok-3Multimodal
Grok-3 MiniMultimodal
Grok-2 Image 1212
Grok-2Multimodal
Grok-2 miniMultimodal
Grok-1.5VMultimodal
Grok-1.5
At a glance

xAImodels, benchmarks & research

Key facts about xAI's portfolio of 25 AI models — sourced from public benchmarks, provider APIs, and model releases.

Models
25 models across 0 families
Portfolio
22 language, 2 image, 1 video models
Licensing
0 open-weight, 25 proprietary
Benchmarks
Evaluated on 52 benchmarks
Cheapest model
Grok-4.1 Fast Non-Reasoning at $0.20 per 1M input tokens
Active since
Shipping models since March 2024, latest release July 2026

Largest models

No parameter data.

FAQ

Common questions about xAI.

What is xAI?

xAI is an AI research organization that develops large language models and other AI systems. They have released 25 models across 0 model families.

How many AI models has xAI released?

xAI has released 25 AI models tracked on LLM Stats. See the Models tab for the full catalog with technical specifications, benchmark scores, and pricing.

How do xAI's models perform on benchmarks?

xAI's models have been evaluated on 52 benchmarks. Their top-performing model is Grok-4 Heavy on AIME 2025 with a score of 1.0. See the Benchmarks tab for the full breakdown.

What does it cost to use xAI's models?

xAI's most affordable model is Grok-4.1 Fast Non-Reasoning with input pricing from $0.20 per 1M tokens via commercial API providers. 7 of their models have public pricing. See the Pricing tab for the full comparison.

When did xAI start releasing AI models?

xAI has been releasing AI models since March 2024. Their latest release was in July 2026. See the Timeline tab for the full release history.

How can I use xAI's models?

Visit https://x.ai for official documentation and API access. Many of xAI's models are also available through third-party API providers — check the Pricing tab to compare pricing across providers.