xAI: Grok 3 Mini

Text input Text output
Author's Description

A lightweight model that thinks before responding. Fast, smart, and great for logic-based tasks that do not require deep domain knowledge. The raw thinking traces are accessible.

Key Specifications
Cost
$$$$
Context
131K
Parameters
2.7T (Rumoured)
Released
Jun 10, 2025
Speed
Ability
Reliability
Supported Parameters

This model supports the following parameters:

Seed Structured Outputs Response Format Reasoning Temperature Include Reasoning Top Logprobs Tools Top P Logprobs Stop Tool Choice Max Tokens
Features

This model supports the following features:

Structured Outputs Response Format Tools Reasoning
Performance Summary

xAI: Grok 3 Mini, released on June 10, 2025, is a lightweight model designed for fast, smart, and logic-based tasks. It exhibits moderate speed performance, ranking in the 34th percentile, and offers moderate pricing, placing it in the 38th percentile. A standout feature is its exceptional reliability, achieving a 100% success rate across all 8 benchmarks, indicating minimal technical failures. The model demonstrates remarkable accuracy in several key areas. It achieved perfect 100% accuracy in Hallucinations (Baseline), General Knowledge (Baseline), Reasoning (Baseline), and Ethics (Baseline), often being the most accurate model at its price point and speed. This highlights its strong capabilities in discerning fictional concepts, recalling broad information, complex problem-solving, and ethical decision-making. Its Coding (Baseline) performance is also very strong at 95.0% accuracy (92nd percentile), and Mathematics (Baseline) at 93.0% (73rd percentile). While its Instruction Following (Baseline) is solid at 76.8% (83rd percentile), and Email Classification (Baseline) at 98.0% (63rd percentile), these represent areas where there's still some room for improvement compared to its perfect scores elsewhere. Overall, Grok 3 Mini excels in tasks requiring precision, logical thought, and factual recall, making it particularly well-suited for applications where accuracy and reliability are paramount.

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
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