Comprehensive side-by-side LLM comparison
o3 offers 95.9K more tokens in context window than Minimax M 2.5. Minimax M 2.5 is $48.50 cheaper per million tokens. o3 supports multimodal inputs. 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, released by OpenAI in April 2025, is a large reasoning model that applies extended chain-of-thought processing to deliver improved performance on complex math, science, and coding tasks. It features a 200K token context window and native image understanding, with demonstrated strong results on mathematics and software engineering benchmarks. o3 targets demanding analytical and engineering tasks where deliberate, multi-step reasoning produces significantly better outcomes than direct generation.
10 months newer

o3
OpenAI
2025-04-16
Minimax M 2.5
MiniMax
2026-02-13
Cost per million tokens (USD)
Minimax M 2.5
o3
Context window and performance specifications
Available providers and their performance metrics
Minimax M 2.5
MiniMax
o3
Minimax M 2.5
o3
Minimax M 2.5
o3
OpenAI