LLM AtlasLLM AtlasSearch models

Provider analysis

xAI

Provider of Grok reasoning and agentic API models.

Last verified: 2026-03-29Confidence: HighPrimary sources: 3

This provider page blends full-profile entries with broader verified listings. Use it to separate deeply evaluated flagship models from source-backed records that are tracked primarily for market visibility, access data, and freshness coverage.

Headquarters
Palo Alto, CA
Founded
2023
Models tracked
5
Full-profile models
5
Catalog last verified
2026-03-29
Latest model verification
2026-03-29
Newest release tracked
2025-06-01
Confidence
High
Access mix
api, hosted
API models
5

Tracked models available through provider-managed APIs.

Open-weight models
0

Models with downloadable weights or self-hosted distribution paths.

Primary source links
15

Total source references attached across this provider catalog.

Provider sources

Official links used to verify the provider profile and platform coverage.

Last verified: 2026-03-29

xAI

Grok 4

Grok

xAI's latest Grok model with 256K context for advanced reasoning and multimodal tasks.

Score 713 sources
textvisionreasoningtool-useapihosted
Context
256,000
Input
$0.003/1K tok
Output
$0.02/1K tok
Coverage
Full profile

xAI

Grok 4 Fast Reasoning

Grok

xAI's Grok API family for fast-moving reasoning, conversational agents, and multimodal assistant workloads.

Score 713 sources
textvisionreasoningtool-useapihosted
Context
131,072
Input
$0.003/1K tok
Output
$0.02/1K tok
Coverage
Full profile

xAI

Grok 3

Grok

xAI's Grok API family for fast-moving reasoning, conversational agents, and multimodal assistant workloads.

Score 713 sources
textvisionreasoningtool-useapihosted
Context
131,072
Input
$0.003/1K tok
Output
$0.02/1K tok
Coverage
Full profile

xAI

Grok 3 Mini

Grok

xAI's Grok API family for fast-moving reasoning, conversational agents, and multimodal assistant workloads.

Score 713 sources
textvisionreasoningtool-useapihosted
Context
131,072
Input
$0.003/1K tok
Output
$0.02/1K tok
Coverage
Full profile

xAI

grok-image

Grok

xAI's Grok API family for fast-moving reasoning, conversational agents, and multimodal assistant workloads.

Score 713 sources
textvisionreasoningtool-useapihosted
Context
131,072
Input
$0.003/1K tok
Output
$0.02/1K tok
Coverage
Full profile