Comprehensive side-by-side LLM comparison
o3 mini offers 99.3K more tokens in context window than MiniMax M2.1. MiniMax M2.1 is $4.20 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
MiniMax
MiniMax M2.1, released by MiniMax on December 23, 2025, is a large language model with approximately 230 billion parameters featuring strong multi-language programming capabilities and an industry-leading multilingual coding profile. It features a 196K token context window and is optimized for complex real-world software engineering tasks across Rust, Java, Golang, C++, TypeScript, and other languages. M2.1 targets agentic coding workflows and applications requiring production-grade programming across diverse language environments.
OpenAI
OpenAI o3 mini, released by OpenAI in January 2025, is a compact reasoning model from the o3 family designed for efficient, cost-effective STEM problem-solving. It features a 200K token context window and adjustable chain-of-thought effort settings, allowing developers to trade reasoning depth for speed. o3 mini targets science, mathematics, and coding applications where lower inference cost and faster response times are a priority.
10 months newer

o3 mini
OpenAI
2025-01-31
MiniMax M2.1
MiniMax
2025-12-23
Cost per million tokens (USD)
MiniMax M2.1
o3 mini
Context window and performance specifications
Available providers and their performance metrics
MiniMax M2.1
MiniMax
o3 mini
MiniMax M2.1
o3 mini
MiniMax M2.1
o3 mini
OpenAI