Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Grok 3 mini offers 8.2K more tokens in context window than Grok 2. Grok 3 mini is $11.20 cheaper per million tokens. Grok 2 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
xAI
Grok 2, released by xAI in August 2024, is a large language model with 131K token context window and native image understanding, developed with access to real-time information from the X platform. It features multimodal input capabilities and improved reasoning over its predecessor. Grok 2 targets conversational assistants, image analysis, and real-time information retrieval tasks via the xAI API.
xAI
Grok 3 mini, released by xAI alongside Grok 3 in February 2025, is a compact reasoning model from the Grok 3 family featuring RL-enhanced Think mode for extended chain-of-thought processing. It features a 131K token context window and targets STEM tasks, mathematics, and coding applications where cost-efficient reasoning with configurable depth is required.
6 months newer

Grok 2
xAI
2024-08-14

Grok 3 mini
xAI
2025-02-17
Cost per million tokens (USD)
Grok 2
Grok 3 mini
Context window and performance specifications
Average performance across 1 common benchmarks
Grok 2
Grok 3 mini
Performance comparison across key benchmark categories
Grok 2
Grok 3 mini
Available providers and their performance metrics
Grok 2
xAI
Grok 3 mini
Grok 2
Grok 3 mini
Grok 2
Grok 3 mini
xAI