Provider

xAI models

xAI has 12 tracked models in Sim with pricing, context window, and capability metadata. Browse every xAI model page generated from Sim's provider registry with human-readable names, pricing, context windows, and capability metadata.

Models tracked

12

Default model

Grok 4 Latest

Metadata coverage

Tracked

Featured models

6

Tool choice

All xAI models

Every model below links to a dedicated SEO page with exact pricing, context window, capability support, and related model recommendations.

Grok 4 Latest

grok-4-latest

Grok 4 Latest is a xAI model tracked in Sim. It supports a 256k token context window. Pricing starts at $3/1M input tokens and $15/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $3/1M
Output $15/1M
256k context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4 0709

grok-4-0709

Grok 4 0709 is a xAI model tracked in Sim. It supports a 256k token context window. Pricing starts at $3/1M input tokens and $15/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $3/1M
Output $15/1M
256k context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4.1 Fast Reasoning

grok-4-1-fast-reasoning

Grok 4.1 Fast Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $0.2/1M
Output $0.5/1M
2M context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4.1 Fast Non Reasoning

grok-4-1-fast-non-reasoning

Grok 4.1 Fast Non Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $0.2/1M
Output $0.5/1M
2M context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4 Fast Reasoning

grok-4-fast-reasoning

Grok 4 Fast Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $0.2/1M
Output $0.5/1M
2M context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4 Fast Non Reasoning

grok-4-fast-non-reasoning

Grok 4 Fast Non Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $0.2/1M input tokens and $0.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $0.2/1M
Output $0.5/1M
2M context
Temperature 0-1
Updated Apr 1, 2026 →

Grok Code Fast 1

grok-code-fast-1

Grok Code Fast 1 is a xAI model tracked in Sim. It supports a 256k token context window. Pricing starts at $0.2/1M input tokens and $1.5/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $0.2/1M
Output $1.5/1M
256k context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4.20 0309 Reasoning

grok-4.20-0309-reasoning

Grok 4.20 0309 Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $2/1M input tokens and $6/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $2/1M
Output $6/1M
2M context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4.20 0309 Non Reasoning

grok-4.20-0309-non-reasoning

Grok 4.20 0309 Non Reasoning is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $2/1M input tokens and $6/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $2/1M
Output $6/1M
2M context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 4.20 Multi Agent 0309

grok-4.20-multi-agent-0309

Grok 4.20 Multi Agent 0309 is a xAI model tracked in Sim. It supports a 2M token context window. Pricing starts at $2/1M input tokens and $6/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $2/1M
Output $6/1M
2M context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 3 Latest

grok-3-latest

Grok 3 Latest is a xAI model tracked in Sim. It supports a 131k token context window. Pricing starts at $3/1M input tokens and $15/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $3/1M
Output $15/1M
131k context
Temperature 0-1
Updated Apr 1, 2026 →

Grok 3 Fast Latest

grok-3-fast-latest

Grok 3 Fast Latest is a xAI model tracked in Sim. It supports a 131k token context window. Pricing starts at $5/1M input tokens and $25/1M output tokens. Key capabilities include Temperature 0-1, Tool choice.

Input $5/1M
Output $25/1M
131k context
Temperature 0-1
Updated Apr 1, 2026 →

Lineup snapshot

A quick view of the strongest differentiators in the xAI model lineup based on the metadata currently tracked in Sim.

Reasoning-capable models

None tracked

Structured outputs

None tracked

Deep research models

None tracked

Lowest input price

Grok 4.1 Fast Reasoning at $0.2/1M

Largest context window

Grok 4.1 Fast Reasoning at 2M

Explore similar provider hubs to compare model lineups, pricing surfaces, and long-context coverage across the broader AI ecosystem.

Frequently asked questions

Sim currently tracks 12 xAI models including Grok 4 Latest, Grok 4 0709, Grok 4.1 Fast Reasoning, Grok 4.1 Fast Non Reasoning, Grok 4 Fast Reasoning, Grok 4 Fast Non Reasoning, and more.