Comprehensive side-by-side LLM comparison
Kimi K2 is $1.90 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
Moonshot AI
Kimi K2, released by Moonshot AI on July 11, 2025, is an open-weight Mixture-of-Experts large language model with 1 trillion total parameters and 32 billion active parameters per inference. It features a 256K token context window (expanded from 128K in an September 2025 update) and demonstrated strong performance on agentic coding benchmarks. Kimi K2 targets software engineering agents, tool-use workflows, and open-source deployments under a modified MIT license.
Moonshot AI
Kimi K2 Thinking, released by Moonshot AI on November 6, 2025, is a reasoning-focused variant of Kimi K2 with 1 trillion total parameters and 32 billion active parameters, featuring extended chain-of-thought processing for complex problem solving. It builds on K2's agentic coding strengths with additional capabilities for mathematical and scientific reasoning. Kimi K2 Thinking targets open-source deployments requiring deep, deliberate reasoning across coding and analytical domains.
3 months newer
Kimi K2
Moonshot AI
2025-07-11
Kimi K2 Thinking
Moonshot AI
2025-11-06
Cost per million tokens (USD)
Kimi K2
Kimi K2 Thinking
Context window and performance specifications
Available providers and their performance metrics
Kimi K2
Moonshot AI
Kimi K2 Thinking
Moonshot AI
Kimi K2
Kimi K2 Thinking
Kimi K2
Kimi K2 Thinking