Comprehensive side-by-side LLM comparison
Kimi K2.5 offers 128.2K more tokens in context window than DeepSeek-R1. DeepSeek-R1 is $4.76 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 K2.5, released by Moonshot AI in January 2026, is an updated Mixture-of-Experts large language model with 1 trillion total parameters and 32 billion active parameters. It builds on Kimi K2 with improved coding performance across multiple languages and an expanded context window. Kimi K2.5 targets agentic development workflows, polyglot code generation, and open-source deployments requiring large-scale MoE reasoning.
11 months newer

DeepSeek-R1
DeepSeek
2025-01-20
Kimi K2.5
Moonshot AI
2026-01
Cost per million tokens (USD)
DeepSeek-R1
Kimi K2.5
Context window and performance specifications
Available providers and their performance metrics
DeepSeek-R1
DeepSeek
Kimi K2.5
DeepSeek-R1
Kimi K2.5
DeepSeek-R1
Kimi K2.5
Moonshot AI