Editorial illustration for MiniMax's M2.5 costs 1/20 of Claude Opus, covers 30% of HQ tasks
MiniMax M2 Slashes AI Costs with Open-Source Coding Model
MiniMax's M2.5 costs 1/20 of Claude Opus, covers 30% of HQ tasks
MiniMax claims their M2.5 model costs just one-twentieth of Claude Opus. That alone turns heads. But here’s the real shocker: they’ve already put it to work inside their own walls.
Thirty percent of all tasks at MiniMax HQ now run on M2.5. And an incredible 80% of their newly committed code? Written by the model.
The team’s own blog post calls it “virtually limitless possibilities for agents.” The secret isn’t brute force, it’s a Mixture of Experts architecture that activates only 10 billion of its 230 billion parameters per token. That’s sparse power. That’s the CISPO breakthrough.
Currently, 30% of all tasks at MiniMax HQ are completed by M2.5, and a staggering 80% of their newly committed code is generated by M2.5!
This is not a story about a cheap model pretending to be smart. It’s about a smart model that was built to be cheap on purpose. MiniMax didn’t stumble into efficiency; they engineered it , trading brute force for surgical precision.
That 230-billion-parameter architecture, the one that only wakes up 10 billion at a time? It’s not a compromise. It’s a redefinition of what a frontier model should cost.
Thirty percent of HQ tasks. Eighty percent of new code. These aren’t vanity metrics.
They are proof that a leaner, faster, far more economical machine can own the messy, high-stakes work that drives a real company forward. The math is simple: when you slash cost by 95% without cratering capability, you don’t just save money. You unlock workflows that were never viable before.
You let agents run wild without a CFO panicking. That’s the real promise here. Not a cheaper Claude.
An entirely new calculus for deploying intelligence at scale. MiniMax is eating their own dog food, and their kitchen is running on fumes , with results that make the extravagant players look like they’re burning cash for ego. The era of “good enough and dirt cheap” has arrived.
And it’s already writing commits at HQ.
Common Questions Answered
How much of MiniMax's internal tasks are currently completed by the M2.5 model?
According to the article, 30% of all tasks at MiniMax headquarters are currently completed by the M2.5 model. Additionally, an impressive 80% of the company's newly committed code is generated by M2.5.
How does the pricing of MiniMax M2.5 compare to Claude Opus?
The M2.5 model costs approximately one-twentieth of Anthropic's Claude Opus 4.6, making it a highly cost-effective option for organizations with limited AI budgets. This significant price reduction could potentially make advanced AI more accessible to a wider range of companies and developers.
What is the current status of MiniMax M2.5's open-source claim?
While MiniMax announced the M2.5 and M2.5 Lightning models as open source, the article notes that the weights, code, and license terms have not yet been published. This leaves the claim of openness currently unverified, despite the company's proclamations.
Further Reading
- MiniMax M2.5: 更快更强更智能,为真实世界生产力而生 — MiniMax
- Compare Claude Opus 4.5 vs. MiniMax M2 in 2026 — Slashdot
- Claude Opus 4.5 vs MiniMax M2 Comparison — LLM Stats
- Claude Sonnet 4.5 vs MiniMax M2 (Comparative Analysis) — Galaxy AI Blog