# Muse Spark 1.3 Contributor subscription plans

1 flat-rate plan(s) include Muse Spark 1.3 Contributor, cheapest monthly fee first. Effective price spreads the fee over 1M tokens; API prices are the vendor's own metered rate for a 3:1 input:output blend. Plan fees are list prices verified 2026-09-13.
Prices as of 2026-10-04.

| Plan | Fee/mo | Effective $/1M | API anchor $/1M | Break-even |
| --- | --- | --- | --- | --- |
| OpenCode OpenCode Go | $10 | $10 | $0.1 / $0.2 | 80.0M |

HTML page: https://sovyron.com/plans/muse-spark-1-3-contributor/
Full dataset: https://sovyron.com/data/catalog.json