Grok 3 Mini
xAI legacyUpdated July 2026. Grok 3 Mini by xAI: $0.3/M cache-miss input, $0.5/M output tokens. 131K context, 8K max output. Function Calling. Free calculator + compare 40+ models.
Input Price
$0.3
cache miss / 1M tokens
Output Price
$0.5
per 1M tokens
Context Window
131K
tokens
Specifications
| Provider | xAI |
| Model ID | grok-3-mini |
| Input Price | $0.3 / 1M cache-miss tokens |
| Output Price | $0.5 / 1M tokens |
| Context Window | 131K tokens |
| Max Output | 8K tokens |
| Capabilities | textfunction_calling |
| Release Date | 2025-02 |
| Pricing Source | Official xAI pricing |
| Price Verified | 2026-07-14 · Grok 4.5, Grok 4.3, Grok 4.20, and Grok Build pricing was refreshed from the xAI pricing table. |
| Notes | Historical model no longer listed in xAI current pricing. Confirm live routing and billing in the xAI console before using this identifier. |
Monthly Cost Estimates
Estimated monthly costs based on different daily usage levels (assuming 50% input / 50% output split). Input estimates use cache-miss pricing, so cache-heavy workloads can be lower.
| Daily Tokens | Monthly Cost | Annual Cost |
|---|---|---|
| 10K | $0.12 | $1.44 |
| 50K | $0.6 | $7.20 |
| 100K | $1.20 | $14.40 |
| 500K | $6.00 | $72.00 |
| 1.0M | $12.00 | $144.00 |
About Grok 3 Mini
Grok 3 Mini is a large language model by xAI. It features a 131K token context window with up to 8K tokens of output per request. The model supports 2 capabilities: text, function_calling.
At $0.3 per million cache-miss input tokens and $0.5 per million output tokens, Grok 3 Mini is positioned as a cost-effective option in the xAI lineup. Use our Token Counter to estimate how many tokens your prompts use, and our Pricing Calculator to compare costs across all models.
Grok 3 Mini Key Details
- Pricing: $0.3/M cache-miss input tokens, $0.5/M output tokens
- Context window: 131K tokens — good for standard conversations and tasks
- Max output: 8K tokens per response
- Capabilities: text, function_calling
- Highlights: Historical model no longer listed in xAI current pricing. Confirm live routing and billing in the xAI console before using this identifier.
- Released: 2025-02
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FAQ
How much does Grok 3 Mini cost?
Grok 3 Mini costs $0.3 per million cache-miss input tokens and $0.5 per million output tokens. For a typical workload of 100K input tokens/day and 50K output tokens/day, expect approximately $1.65/month before cache-hit savings.
What is Grok 3 Mini's context window?
Grok 3 Mini supports a context window of 131K tokens. This means your combined input prompt and output response can be up to 131K tokens. The maximum output per response is 8K tokens.
Is Grok 3 Mini good for my use case?
Grok 3 Mini supports text, function_calling. As a budget-friendly model, it works well for high-volume tasks like classification, summarization, and simple generation. Use our Pricing Calculator to compare with alternatives.