Muse Spark 1.2 gets a $0.10 contributor tier that trains on your prompts
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We’re excited to bring @AIatMeta’s Muse Spark 1.2 contributor tier to OpenRouter. At $0.10/M input and $0.20/M output, It’s meaningfully cheaper than Muse Spark 1.2 and beats other comparable models on real cost, providing frontier intelligence-per-dollar.

Muse Spark 1.2 contributor tier is available now on OpenRouter. Your prompts and outputs may be used to improve Meta's products, making it ideal for experimentation, learning, and early-stage projects without worry about spend https://t.co/JWV1yU9CG1
Context
Meta's Muse Spark 1.2 contributor tier pairs lower prices with permission to use submitted prompts and generated outputs to improve Meta's products. OpenRouter's announcement quoted $0.10 per million input and $0.20 per million output tokens, compared with $1.25 and $4.25 in the standard-tier launch. The post states the data-use condition directly: prompts and outputs may be used to improve Meta's products. Choosing the cheaper tier therefore involves deciding whether the material sent to the model is suitable for that use.
- token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
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