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xAI

Frontier lab · x.ai

xAI models via API.

Models
40
Endpoints
4
Regions
1
Avg input
$1.73
Auth
Bearer token
SDKs
1

Endpoints

POST/v1/chat/completionsCompletionsStream
POST/v1/messagesMessagesStream
POST/v1/realtimeRealtimeStream
POST/v1/responsesResponsesStream

Models · 40

ModelContextInputOutputCapabilities
grok-4.5500K$2.00$6.00ReasoningVisionToolsgrok-4.31M$1.25$2.50ReasoningVisionToolsgrok-2131K$2.00$10.00Toolsgrok-2-1212131K$2.00$10.00Toolsgrok-2-latest131K$2.00$10.00Toolsgrok-2-vision33K$2.00$10.00VisionToolsgrok-2-vision-121233K$2.00$10.00VisionToolsgrok-2-vision-latest33K$2.00$10.00VisionToolsgrok-3131K$3.00$15.00Toolsgrok-3-beta131K$3.00$15.00Toolsgrok-3-fast-beta131K$5.00$25.00Toolsgrok-3-fast-latest131K$5.00$25.00Toolsgrok-3-latest131K$3.00$15.00Toolsgrok-3-mini131K$0.30$0.50ReasoningToolsgrok-3-mini-beta131K$0.30$0.50ReasoningToolsgrok-3-mini-fast131K$0.60$4.00ReasoningToolsgrok-3-mini-fast-beta131K$0.60$4.00ReasoningToolsgrok-3-mini-fast-latest131K$0.60$4.00ReasoningToolsgrok-3-mini-latest131K$0.30$0.50ReasoningToolsgrok-4256K$3.00$15.00Toolsgrok-4-0709256K$3.00$15.00Toolsgrok-4-1-fast2M$0.20$0.50ReasoningVisionToolsgrok-4-1-fast-non-reasoning2M$0.20$0.50VisionToolsAudiogrok-4-1-fast-non-reasoning-latest2M$0.20$0.50VisionToolsAudiogrok-4-1-fast-reasoning2M$0.20$0.50ReasoningVisionToolsgrok-4-1-fast-reasoning-latest2M$0.20$0.50ReasoningVisionToolsgrok-4-fast-non-reasoning2M$0.20$0.50Toolsgrok-4-fast-reasoning2M$0.20$0.50Toolsgrok-4-latest256K$3.00$15.00Toolsgrok-4.20-0309-reasoning2M$2.00$6.00ReasoningVisionToolsgrok-4.20-beta-0309-non-reasoning2M$2.00$6.00VisionToolsgrok-4.20-beta-0309-reasoning2M$2.00$6.00ReasoningVisionToolsgrok-4.20-multi-agent-beta-03092M$2.00$6.00ReasoningVisionToolsgrok-4.3-latest1M$1.25$2.50ReasoningVisionToolsgrok-4.5-latest500K$2.00$6.00ReasoningVisionToolsgrok-beta131K$5.00$15.00VisionToolsgrok-code-fast256K$0.20$1.50ReasoningToolsgrok-code-fast-1256K$0.20$1.50ReasoningToolsgrok-code-fast-1-0825256K$0.20$1.50ReasoningToolsgrok-vision-beta8K$5.00$15.00VisionTools

Release timeline

grok-code-fast-1
grok-code-fast-1-0825
grok-vision-beta
Apr 2026
grok-4.3
Jul 2026
grok-4.5

Details

CategoryFrontier lab
Websitex.ai
AuthBearer token
Regions1

Regions

global

SDKs

Pythondocs ↗
pip install xai-sdk