LLM Reference

Grok 3 Models by xAI

2 models2025Up to 131K ctxFrom $0.25/1M input

About

Grok 3 is a family of 2 AI models by xAI, released in 2025.

Archived Variants

Use-when guidance is derived from seed capabilities, context, release, and replacement fields.

2 in view2 retired
Grok-3Replaced

Keep for legacy integrations; evaluate Grok 4.3 before new work.

2025-02131K contextreasoningtool use
Grok 3 MiniReplaced

Keep for legacy integrations; evaluate Grok 4.3 before new work.

2025-02131K contextstructured outputsmultimodal inputs

Release Timeline

1 release group
2025-02
2 retired
Grok 3 Mini
131K contextstructured outputsmultimodal inputs
Replaced
Grok-3
131K contextreasoningtool use
Replaced

Replaced By

Keep for legacy integrations; evaluate Grok 4.3 before new work.

Keep for legacy integrations; evaluate Grok 4.3 before new work.

Specifications(2 models)

Grok 3 model specifications comparison
ModelReleasedContextVisionMultimodalReasoningFn CallingTool UseStructured Outputs
Grok-32025-02131KYesYesYesYesYesYes
Grok 3 Mini2025-02131KNoYesNoNoNoYes

Available From(4 providers)

Pricing

Grok 3 model pricing by provider
ModelProviderInput / 1MOutput / 1MType
Grok 3 MiniMicrosoft Foundry$0.25$1.27Serverless
Grok 3 MiniOpenRouter$0.3$0.5Serverless
Grok-3Chutes AI$0.8$2.4Serverless
Grok-3xAI Console$1.25$2.5Serverless
Grok-3OpenRouter$3$15Serverless
Grok-3Microsoft Foundry$3$15Serverless

Frequently Asked Questions

What is Grok 3 used for?
Grok 3 is used for vision and multimodal work, reasoning, and agent workflows and tool use. The family description and listed model capabilities point to those workloads as the best fit.
How does Grok 3 compare to Grok 1?
Grok 3 by xAI is strongest where you need vision and multimodal work, while Grok 1 by xAI is the closest related family to check for reasoning. Grok 3 has 2 listed variants and reaches up to 131K context, so compare the specs and pricing tables before choosing a production model.
Which Grok 3 model should I use?
For the lowest listed input price, start with Grok 3 Mini through Microsoft Foundry at $0.25/1M input tokens. For the most capable/latest local choice, evaluate Grok-3 with 131K context and reasoning, tool use, function calling, structured outputs, and multimodal inputs.

Models(2)