Grok 3 Models by xAI
xAIProprietary
2 models2025Up to 131k ctxFrom $0.25/1M input
Details
ResearcherxAI
LicenseProprietary
Commercial useCommercial use: conditional
Models2
Released2025
Max context131k
Capabilities
VisionAll models
MultimodalAll models
Reasoning1 of 2 models
Function Calling1 of 2 models
Tool Use1 of 2 models
Structured OutputsAll models
About
Grok 3 is a family of 2 AI models by xAI, released in 2025.
Archived Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
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
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Grok-3 | Keep for legacy integrations; evaluate Grok 4.3 before new work. | 2025-02 | 131k contextreasoningtool use | Replaced |
| Grok 3 Mini | Keep for legacy integrations; evaluate Grok 4.3 before new work. | 2025-02 | 131k contextstructured outputsmultimodal inputs | Replaced |
Release Timeline
1 release group2025-02
2 retired
Grok 3 Mini
Replaced131k contextstructured outputsmultimodal inputs
Grok-3
Replaced131k contextreasoningtool use
Replaced By
Replaced
Keep for legacy integrations; evaluate Grok 4.3 before new work.
Specifications(2 models)
| Model | Released | Context | Vision | Multimodal | Reasoning | Fn Calling | Tool Use | Structured Outputs |
|---|---|---|---|---|---|---|---|---|
| Grok-3 | 2025-02 | 131k | Yes | Yes | Yes | Yes | Yes | Yes |
| Grok 3 Mini | 2025-02 | 131k | Yes | Yes | No | No | No | Yes |
Available From(4 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Grok 3 Mini | Microsoft Foundry | $0.25 | $1.27 | Serverless |
| Grok 3 Mini | OpenRouter | $0.3 | $0.5 | Serverless |
| Grok-3 | Chutes AI | $0.8 | $2.4 | Serverless |
| Grok-3 | xAI Console | $1.25 | $2.5 | Serverless |
| Grok-3 | OpenRouter | $3 | $15 | Serverless |
| Grok-3 | Microsoft Foundry | $3 | $15 | Serverless |
Popular comparisons in this family
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.
