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JavaGuide
JavaGuide
Feb 27, 2026 · Artificial Intelligence

Why I Dropped Opus 4.6 for MiniMax M2.5: Real‑World Cost and Performance Test

The author, a heavy user of AI agents for daily code refactoring, compares the expensive Opus 4.6 with the budget‑friendly MiniMax M2.5, showing how a mixed‑model strategy cuts costs dramatically while maintaining speed and quality across two full‑stack development case studies.

AI codingAgent ArchitectureMiniMax M2.5
0 likes · 14 min read
Why I Dropped Opus 4.6 for MiniMax M2.5: Real‑World Cost and Performance Test
AI Engineering
AI Engineering
Feb 12, 2026 · Artificial Intelligence

MiniMax M2.5: 230B‑Parameter Model Activates 10B, Near Claude Sonnet for One‑Tenth the Cost

MiniMax’s new open‑source M2.5 model, built on a 230 billion‑parameter mixture‑of‑experts architecture that activates only 10 billion parameters per inference, delivers performance comparable to Claude Opus 4.6 across benchmarks, while costing roughly one‑tenth as much, and is already handling a large share of the company’s internal tasks.

AI AgentsClaude OpusMiniMax M2.5
0 likes · 6 min read
MiniMax M2.5: 230B‑Parameter Model Activates 10B, Near Claude Sonnet for One‑Tenth the Cost