Comprehensive side-by-side LLM comparison
Kimi K2-Instruct-0905 leads with 8.9% higher average benchmark score. Grok-2 supports multimodal inputs. Overall, Kimi K2-Instruct-0905 is the stronger choice for coding tasks.
xAI
Grok 2 was developed as the second generation of xAI's language model family, designed to provide enhanced reasoning, knowledge, and conversational abilities. Built with architectural improvements and expanded training, it represents a significant advancement in xAI's model capabilities.
Moonshot AI
Kimi K2 Instruct-0905 represents a specific release iteration of the K2 Instruct model, developed to incorporate refinements and improvements. Built to provide enhanced instruction-following based on deployment feedback, it continues the evolution of Moonshot's instruction-tuned offerings.
1 year newer

Grok-2
xAI
2024-08-13

Kimi K2-Instruct-0905
Moonshot AI
2025-09-05
Context window and performance specifications
Average performance across 3 common benchmarks

Grok-2

Kimi K2-Instruct-0905
Available providers and their performance metrics

Grok-2
xAI

Kimi K2-Instruct-0905

Grok-2

Kimi K2-Instruct-0905

Grok-2

Kimi K2-Instruct-0905