Models.dev

An open-source database of AI models

xAI

xAI's Grok lineup emphasizes tool use, low-hallucination reasoning, coding, and dedicated media APIs under one developer platform.

xai
Models
5
Providers
19
Updated
2026-07-08

Models

5
Model Providers Context Output Input Reasoning Tool Call Structured Temperature Weights Price Release Updated
Grok 4.5xai/grok-4.511500,000500,000
YesYesYesYesClosed$2.00 / $6.002026-07-082026-07-08
Grok 4.3xai/grok-4.3161,000,00030,000
YesYesYesYesClosed$0.00 / $0.002026-04-172026-04-17
Grok Build 0.1xai/grok-build-0.110256,000256,000
YesYesYesYesClosed$0.00 / $0.002026-04-162026-04-16
Grok 4.20 (Non-Reasoning)xai/grok-4.20-0309-non-reasoning31,000,00030,000
NoYesYesYesClosed$1.25 / $2.502026-03-092026-03-09
Grok 4.20 (Reasoning)xai/grok-4.20-0309-reasoning41,000,00030,000
YesYesYesYesClosed$1.25 / $2.502026-03-092026-03-09
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How to use

Models.dev is a comprehensive open-source database of AI model specifications, pricing, and features.

The homepage starts with provider-agnostic model metadata. Model pages list the providers serving that model; provider pages list every model available from that provider; lab pages group canonical models by author.

API

You can access provider data, provider-agnostic model metadata, or the combined catalog through JSON endpoints.

Logos

Provider logos are available at /logos/{provider}.svg where {provider} is the provider ID. Lab logos are available at /logos/labs/{lab}.svg.

SDK

Use the SDK to query the API from your app. It's type-safe and exports the latest snapshot for offline use.

Contribute

The data is stored in GitHub as TOML files organized by provider and canonical model.