Author's Description
Grok 3 Mini is a lightweight, smaller thinking model. Unlike traditional models that generate answers immediately, Grok 3 Mini thinks before responding. It’s ideal for reasoning-heavy tasks that don’t demand...
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
xAI: Grok 3 Mini Beta demonstrates moderate speed performance, ranking in the 34th percentile across benchmarks, and offers moderate pricing, placing it in the 37th percentile. A standout feature is its exceptional reliability, achieving a 100% success rate across all 7 benchmarks, indicating minimal technical failures. The model excels in reasoning-heavy tasks, achieving perfect 100% accuracy in both General Knowledge and Reasoning benchmarks, and also in Ethics. Notably, it is the most accurate model at its price point and among models of similar speed for these categories. Its "thinking before responding" mechanism appears to contribute to its strong performance in these areas. In Coding, it shows strong capabilities with 94.0% accuracy, placing it in the 87th percentile. Instruction Following is solid at 71.7% accuracy, while Hallucinations are well-managed with 98.0% accuracy. Email Classification also performs well at 98.0%. Key strengths include its high accuracy in complex reasoning, general knowledge, and ethical considerations, coupled with its perfect reliability. Its transparent "thinking" traces offer a unique advantage for debugging and understanding its decision-making process. While its speed and pricing are moderate, its consistent accuracy and reliability make it a strong contender for tasks requiring precision and dependable output, especially in quantitative and puzzle-solving scenarios.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $0.3 |
| Completion | $0.5 |
| Input Cache Read | $0.075 |
| Web Search | $5000 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
xAI
|
xAI | x-ai/grok-3-mini | 131K | $0.3 / 1M tokens | $0.5 / 1M tokens |
|
xAI
|
xAI | x-ai/grok-3-mini | 131K | $0.6 / 1M tokens | $4 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by x-ai
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| xAI: Grok 4.20 Multi-Agent Unavailable | Mar 31, 2026 | — | 2M |
File input
Text input
Image input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Multi-Agent | Mar 31, 2026 | — | 2M |
File input
Text input
Image input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Unavailable | Mar 31, 2026 | — | 2M |
Text input
Image input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 | Mar 31, 2026 | — | 2M |
File input
Text input
Image input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Multi-Agent Beta Unavailable | Mar 12, 2026 | — | 2M |
Text input
Image input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Multi-Agent Beta Unavailable | Mar 12, 2026 | — | 2M |
File input
Text input
Image input
Text output
|
★★★ | ★★★★★ | $$$$$ |
| xAI: Grok 4.20 Beta Unavailable | Mar 12, 2026 | — | 2M |
Text input
Image input
Text output
|
— | — | $$$$$ |
| xAI: Grok 4.20 Beta Unavailable | Mar 12, 2026 | — | 2M |
Text input
Image input
Text output
|
★★★★★ | ★★★★ | $$$$$ |
| xAI: Grok 4.1 Fast | Nov 19, 2025 | — | 2M |
File input
Text input
Image input
Text output
|
★★ | ★★ | $ |
| xAI: Grok 4 Fast | Sep 18, 2025 | — | 2M |
File input
Text input
Image input
Text output
|
★★ | ★★★★★ | $$$$ |
| xAI: Grok Code Fast 1 | Aug 26, 2025 | — | 256K |
Text input
Text output
|
★★ | ★★★★ | $$$$$ |
| xAI: Grok 4 | Jul 09, 2025 | — | 256K |
File input
Text input
Image input
Text output
|
★ | ★★★★★ | $$$$$ |
| xAI: Grok 3 Mini | Jun 10, 2025 | ~2.7T | 131K |
Text input
Text output
|
★★ | ★★★★★ | $$$$ |
| xAI: Grok 3 | Jun 10, 2025 | ~2.7T | 131K |
Text input
Text output
|
★★★ | ★★★★ | $$$$$ |
| xAI: Grok 3 Beta | Apr 09, 2025 | ~2.7T | 131K |
Text input
Text output
|
★★★ | ★★★★ | $$$$$ |
| xAI: Grok 2 Vision 1212 Unavailable | Dec 14, 2024 | — | 32K |
Text input
Image input
Text output
|
★★★★ | ★★★★ | $$$$$ |
| xAI: Grok 2 1212 Unavailable | Dec 14, 2024 | — | 131K |
Text input
Text output
|
★★★★ | ★★★★ | $$$$$ |
| xAI: Grok Vision Beta Unavailable | Nov 18, 2024 | — | 8K |
Text input
Image input
Text output
|
★★★★★ | ★★★ | $$$$$ |
| xAI: Grok Beta Unavailable | Oct 19, 2024 | — | 131K |
Text input
Text output
|
★★★★★ | ★★★★★ | $$$$$ |