Claude, Codex, DeepSeek (including 4.1 Flash), Kimi and MiniMax. One app, and free for your first month.
New users get a month of Pro. Download Unstoppable Code, sign in to an Unstoppable Code Cloud account from the accounts page, and it's ready to go.
Then point an agent at each thing on your list. Every agent gets its own worktree, so they work at the same time and the changes stay apart.
Run the same task on two models and see which answer you like better. You've got a month to work that out.