Comprehensive side-by-side LLM comparison
o3 mini offers 95.9K more tokens in context window than Minimax M 2.5. Minimax M 2.5 is $4.00 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
MiniMax
MiniMax M2.5 is a large language model from MiniMax extensively trained with reinforcement learning across hundreds of thousands of complex real-world environments. It targets agentic tool use, coding automation, and office productivity tasks, with strong results on software engineering and web browsing benchmarks. M2.5 represents the next generation of MiniMax's M-series models optimized for production agentic workloads.
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.
1 year newer

o3 mini
OpenAI
2025-01-31
Minimax M 2.5
MiniMax
2026-02-13
Cost per million tokens (USD)
Minimax M 2.5
o3 mini
Context window and performance specifications
Available providers and their performance metrics
Minimax M 2.5
MiniMax
o3 mini
Minimax M 2.5
o3 mini
Minimax M 2.5
o3 mini
OpenAI