opencode Go updated usage/models (19/8/2026)

New changes in opencode Go plan: * double DeepSeek V4 Flash usage quota raising it to a $30 credit (from $15) * add Muse Spark 1.2 Contributor, this model is on par with GPT-5.6 Terra (based on artificial analysis score) and has a very generous quota. However it sends all your data to Meta for collection 🫤 Model 5HOURS 1WEEK 1MONTH ---------------------------------------------------- Muse Spark 1.2 Contributor 45,300 113,300 226,600 DeepSeek V4 Flash 7,600 18,900 37,800