No per-token billing here either: "...we offer the industry’s largest allowance: 60 model requests per minute and 1,000 requests per day at no charge."
https://blog.google/technology/developers/introducing-gemini...
40 karma · joined August 1, 2012
https://blog.google/technology/developers/introducing-gemini...
It's limited to a subset of the GA engine fleet initially, but the plan is to broaden over the next year or so.