Minimax M3.1 Flash free preview economics

Updated: September 26, 2026

By the LLM CFO team

What we know

• Free preview on Minimax Code (duration unspecified)
• Focus: speed + efficiency for daily coding tasks

Cost model: $0 during preview

During the free preview, M3.1 Flash is a $0 marginal cost model for supported workloads.

The catch: preview ends

Free previews are customer acquisition. When it ends, expect pricing in the $1-3 per 1M input / $5-15 per 1M output range.