[yesnomaybe]

They will have to explain how "We’ll continue to offer a free tier that is perfect for small to medium teams, up to 100 basic runners per workspace." aligns with their other statement https://www.atlassian.com/blog/bitbucket/announcing-v5-self-... "$15/month per concurrent build slot: Pricing per build slot provides significant value when compared to alternative commercial self-hosted CI tools. For most customers migrating from Bamboo, the costs of running a fleet of self-hosted runners will be significantly lower when ran on Pipelines. Plan inclusions: Standard tier workspaces include one free self-hosted runner slot, and Premium tier workspaces include two free slots."

this means that you get 1 or 2 concurrent builds for free, rest you pay for. No matter how many "free" runners they let you configure.