Comprehensive side-by-side LLM comparison
Kimi K2 Thinking offers 128.2K more tokens in context window than DeepSeek-R1. DeepSeek-R1 is $2.26 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
DeepSeek
DeepSeek-R1, released by DeepSeek on January 20, 2025, is a large reasoning model with 671 billion total parameters (37 billion active in its MoE architecture) designed for extended chain-of-thought reasoning. It features a 128K token context window and demonstrated strong performance on mathematics, coding, and scientific reasoning benchmarks at its release. DeepSeek-R1 targets complex analytical tasks, competitive programming, and applications requiring deep deliberative reasoning under an open 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.
9 months newer

DeepSeek-R1
DeepSeek
2025-01-20
Kimi K2 Thinking
Moonshot AI
2025-11-06
Cost per million tokens (USD)
DeepSeek-R1
Kimi K2 Thinking
Context window and performance specifications
Available providers and their performance metrics
DeepSeek-R1
DeepSeek
Kimi K2 Thinking
DeepSeek-R1
Kimi K2 Thinking
DeepSeek-R1
Kimi K2 Thinking
Moonshot AI