Grok 3 Mini Fast
DeprecatedGrok 3 Mini Fast is xAI's language model with a 131K context window, available from 2 providers, starting at $0.6 / 1M input and $4.00 / 1M output. A fast variant of xAI's lightweight Grok 3 Mini thinking model, balancing speed and reasoning capability for simple logic-based tasks.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities4/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | |
|---|---|---|
| Input $ / 1M | Output $ / 1M | |
| $0.6 | $4.00 | |
| $0.6 | $4.00 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Grok 3 Mini | 131K | $0.250 | $0.500 | Deprecated | |
| Grok 3 Mini Beta | 131K | — | — | Deprecated | |
| Grok 3 Mini Fast | 131K | $0.600 | $4.00 | Current | |
| Grok 3 Mini Reasoning | — | — | — | — | Available |
| Grok 3 Mini Fast High | — | — | — | — | Available |
| Grok 3 Mini Fast High Beta | — | — | — | — | Available |
| Grok 3 Mini High | — | — | — | — | Available |
| Grok 3 Mini High Beta | — | — | — | — | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Grok 4.7 | — | 524K | $2.00 | $6.00 | |
| Grok 4.6 | — | 524K | $2.00 | $6.00 | |
| Grok 4.5 | — | 500K | $2.00 | $6.00 | |
| Grok 4.3 | — | 1.0M | $1.25 | $2.50 | |
| Grok 4.3 Batch | — | 1.0M | $1.00 | $2.00 | |
| Grok 4.20 | — | 2.0M | $1.25 | $2.50 | |
| Grok 4.20 Multi-Agent | — | 2.0M | $1.25 | $2.50 | |
| Grok 4.20 Multi-Agent Beta | — | 2.0M | $1.25 | $2.50 | |
| Grok 4.20 Non-Reasoning | — | 2.0M | $1.25 | $2.50 | |
| Grok 4.20 Multi-Agent | — | 2.0M | $1.00 | $2.00 |