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Xai Models

Xai provides 35 AI models accessible via API.

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35

Models Available

$0.20

Cheapest Input / 1M

2M

Largest Context

What is Xai?

Xai is an AI model provider offering 35 large language models for developers. Their cheapest model starts at $0.20 per 1M input tokens, and their largest context window reaches 2M. Xai provides 35 AI models accessible via API.

Xai Strengths

All Xai Models

Model Input $/1M Output $/1M Context Max Output Released
Grok 4 Fast Reasoning $0.20 $0.50 2M 2,000,000
Grok 4 Fast Non Reasoning $0.20 $0.50 2M 2,000,000
Grok 4 1 Fast $0.20 $0.50 2M 2,000,000
Grok 4 1 Fast Reasoning $0.20 $0.50 2M 2,000,000
Grok 4 1 Fast Reasoning Latest $0.20 $0.50 2M 2,000,000
Grok 4 1 Fast Non Reasoning $0.20 $0.50 2M 2,000,000
Grok 4 1 Fast Non Reasoning Latest $0.20 $0.50 2M 2,000,000
Grok Code Fast $0.20 $1.50 256K 256,000
Grok Code Fast 1 $0.20 $1.50 256K 256,000
Grok Code Fast 1 0825 $0.20 $1.50 256K 256,000
Grok 3 Mini $0.30 $0.50 131K 131,072
Grok 3 Mini Beta $0.30 $0.50 131K 131,072
Grok 3 Mini Latest $0.30 $0.50 131K 131,072
Grok 3 Mini Fast $0.60 $4.00 131K 131,072
Grok 3 Mini Fast Beta $0.60 $4.00 131K 131,072
Grok 3 Mini Fast Latest $0.60 $4.00 131K 131,072
Grok 2 $2.00 $10.00 131K 131,072
Grok 2 1212 $2.00 $10.00 131K 131,072
Grok 2 Latest $2.00 $10.00 131K 131,072
Grok 2 Vision $2.00 $10.00 33K 32,768
Grok 2 Vision 1212 $2.00 $10.00 33K 32,768
Grok 2 Vision Latest $2.00 $10.00 33K 32,768
Grok 4.20 Multi Agent Beta 0309 $2.00 $6.00 2M 2,000,000
Grok 4.20 Beta 0309 Reasoning $2.00 $6.00 2M 2,000,000
Grok 4.20 Beta 0309 Non Reasoning $2.00 $6.00 2M 2,000,000
Grok 3 $3.00 $15.00 131K 131,072
Grok 3 Beta $3.00 $15.00 131K 131,072
Grok 3 Latest $3.00 $15.00 131K 131,072
Grok 4 $3.00 $15.00 256K 256,000
Grok 4 0709 $3.00 $15.00 256K 256,000
Grok 4 Latest $3.00 $15.00 256K 256,000
Grok 3 Fast Beta $5.00 $25.00 131K 131,072
Grok 3 Fast Latest $5.00 $25.00 131K 131,072
Grok Beta $5.00 $15.00 131K 131,072
Grok Vision Beta $5.00 $15.00 8K 8,192

Model Details

Grok 4 Fast Reasoning

Grok 4 Fast Reasoning is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.

Input: $0.20/1M Output: $0.50/1M Context: 2M
text function calling web search

Grok 4 Fast Non Reasoning

Grok 4 Fast Non Reasoning is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.

Input: $0.20/1M Output: $0.50/1M Context: 2M
text function calling web search

Grok 4 1 Fast

Grok 4 1 Fast is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.

Input: $0.20/1M Output: $0.50/1M Context: 2M
text vision function calling reasoning audio web search json mode

Grok 4 1 Fast Reasoning

Grok 4 1 Fast Reasoning is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.

Input: $0.20/1M Output: $0.50/1M Context: 2M
text vision function calling reasoning audio web search json mode

Grok 4 1 Fast Reasoning Latest

Grok 4 1 Fast Reasoning Latest is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.

Input: $0.20/1M Output: $0.50/1M Context: 2M
text vision function calling reasoning audio web search json mode

Grok 4 1 Fast Non Reasoning

Grok 4 1 Fast Non Reasoning is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.

Input: $0.20/1M Output: $0.50/1M Context: 2M
text vision function calling audio web search json mode

Grok 4 1 Fast Non Reasoning Latest

Grok 4 1 Fast Non Reasoning Latest is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $0.2000/1M input tokens, $0.5000/1M output tokens.

Input: $0.20/1M Output: $0.50/1M Context: 2M
text vision function calling audio web search json mode

Grok Code Fast

Grok Code Fast is available via Xai with a 256K context window and up to 256,000 output tokens. Pricing: $0.2000/1M input tokens, $1.50/1M output tokens.

Input: $0.20/1M Output: $1.50/1M Context: 256K
text function calling reasoning

Grok Code Fast 1

Grok Code Fast 1 is available via Xai with a 256K context window and up to 256,000 output tokens. Pricing: $0.2000/1M input tokens, $1.50/1M output tokens.

Input: $0.20/1M Output: $1.50/1M Context: 256K
text function calling reasoning

Grok Code Fast 1 0825

Grok Code Fast 1 0825 is available via Xai with a 256K context window and up to 256,000 output tokens. Pricing: $0.2000/1M input tokens, $1.50/1M output tokens.

Input: $0.20/1M Output: $1.50/1M Context: 256K
text function calling reasoning

Grok 3 Mini

Grok 3 Mini is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $0.3000/1M input tokens, $0.5000/1M output tokens.

Input: $0.30/1M Output: $0.50/1M Context: 131K
text function calling reasoning web search

Grok 3 Mini Beta

Grok 3 Mini Beta is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $0.3000/1M input tokens, $0.5000/1M output tokens.

Input: $0.30/1M Output: $0.50/1M Context: 131K
text function calling reasoning web search

Grok 3 Mini Latest

Grok 3 Mini Latest is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $0.3000/1M input tokens, $0.5000/1M output tokens.

Input: $0.30/1M Output: $0.50/1M Context: 131K
text function calling reasoning web search

Grok 3 Mini Fast

Grok 3 Mini Fast is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $0.6000/1M input tokens, $4.00/1M output tokens.

Input: $0.60/1M Output: $4.00/1M Context: 131K
text function calling reasoning web search

Grok 3 Mini Fast Beta

Grok 3 Mini Fast Beta is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $0.6000/1M input tokens, $4.00/1M output tokens.

Input: $0.60/1M Output: $4.00/1M Context: 131K
text function calling reasoning web search

Grok 3 Mini Fast Latest

Grok 3 Mini Fast Latest is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $0.6000/1M input tokens, $4.00/1M output tokens.

Input: $0.60/1M Output: $4.00/1M Context: 131K
text function calling reasoning web search

Grok 2

Grok 2 is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $2.00/1M input tokens, $10.00/1M output tokens.

Input: $2.00/1M Output: $10.00/1M Context: 131K
text function calling web search

Grok 2 1212

Grok 2 1212 is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $2.00/1M input tokens, $10.00/1M output tokens.

Input: $2.00/1M Output: $10.00/1M Context: 131K
text function calling web search

Grok 2 Latest

Grok 2 Latest is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $2.00/1M input tokens, $10.00/1M output tokens.

Input: $2.00/1M Output: $10.00/1M Context: 131K
text function calling web search

Grok 2 Vision

Grok 2 Vision is available via Xai with a 33K context window and up to 32,768 output tokens. Pricing: $2.00/1M input tokens, $10.00/1M output tokens.

Input: $2.00/1M Output: $10.00/1M Context: 33K
text vision function calling web search

Grok 2 Vision 1212

Grok 2 Vision 1212 is available via Xai with a 33K context window and up to 32,768 output tokens. Pricing: $2.00/1M input tokens, $10.00/1M output tokens.

Input: $2.00/1M Output: $10.00/1M Context: 33K
text vision function calling web search

Grok 2 Vision Latest

Grok 2 Vision Latest is available via Xai with a 33K context window and up to 32,768 output tokens. Pricing: $2.00/1M input tokens, $10.00/1M output tokens.

Input: $2.00/1M Output: $10.00/1M Context: 33K
text vision function calling web search

Grok 4.20 Multi Agent Beta 0309

Grok 4.20 Multi Agent Beta 0309 is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $2.00/1M input tokens, $6.00/1M output tokens.

Input: $2.00/1M Output: $6.00/1M Context: 2M
text vision function calling reasoning web search

Grok 4.20 Beta 0309 Reasoning

Grok 4.20 Beta 0309 Reasoning is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $2.00/1M input tokens, $6.00/1M output tokens.

Input: $2.00/1M Output: $6.00/1M Context: 2M
text vision function calling reasoning web search

Grok 4.20 Beta 0309 Non Reasoning

Grok 4.20 Beta 0309 Non Reasoning is available via Xai with a 2M context window and up to 2,000,000 output tokens. Pricing: $2.00/1M input tokens, $6.00/1M output tokens.

Input: $2.00/1M Output: $6.00/1M Context: 2M
text vision function calling web search

Grok 3

Grok 3 is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $3.00/1M input tokens, $15.00/1M output tokens.

Input: $3.00/1M Output: $15.00/1M Context: 131K
text function calling web search

Grok 3 Beta

Grok 3 Beta is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $3.00/1M input tokens, $15.00/1M output tokens.

Input: $3.00/1M Output: $15.00/1M Context: 131K
text function calling web search

Grok 3 Latest

Grok 3 Latest is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $3.00/1M input tokens, $15.00/1M output tokens.

Input: $3.00/1M Output: $15.00/1M Context: 131K
text function calling web search

Grok 4

Grok 4 is available via Xai with a 256K context window and up to 256,000 output tokens. Pricing: $3.00/1M input tokens, $15.00/1M output tokens.

Input: $3.00/1M Output: $15.00/1M Context: 256K
text function calling web search

Grok 4 0709

Grok 4 0709 is available via Xai with a 256K context window and up to 256,000 output tokens. Pricing: $3.00/1M input tokens, $15.00/1M output tokens.

Input: $3.00/1M Output: $15.00/1M Context: 256K
text function calling web search

Grok 4 Latest

Grok 4 Latest is available via Xai with a 256K context window and up to 256,000 output tokens. Pricing: $3.00/1M input tokens, $15.00/1M output tokens.

Input: $3.00/1M Output: $15.00/1M Context: 256K
text function calling web search

Grok 3 Fast Beta

Grok 3 Fast Beta is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $5.00/1M input tokens, $25.00/1M output tokens.

Input: $5.00/1M Output: $25.00/1M Context: 131K
text function calling web search

Grok 3 Fast Latest

Grok 3 Fast Latest is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $5.00/1M input tokens, $25.00/1M output tokens.

Input: $5.00/1M Output: $25.00/1M Context: 131K
text function calling web search

Grok Beta

Grok Beta is available via Xai with a 131K context window and up to 131,072 output tokens. Pricing: $5.00/1M input tokens, $15.00/1M output tokens.

Input: $5.00/1M Output: $15.00/1M Context: 131K
text vision function calling web search

Grok Vision Beta

Grok Vision Beta is available via Xai with a 8K context window and up to 8,192 output tokens. Pricing: $5.00/1M input tokens, $15.00/1M output tokens.

Input: $5.00/1M Output: $15.00/1M Context: 8K
text vision function calling web search

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