MiniMax M2.5 vs Opus 4.6: When Cheap Beats Expensive

Anthropic released Opus 4.6 three days ago. MiniMax dropped M2.5 yesterday. The tech community lost its mind. Not because Opus 4.6 is bad. It's excellent. But because M2.5 costs one-twentieth the price and matches it on coding benchmarks. On SWE-Benc...