No model shopping
Ask normally. MainStreet handles the choice.
Cost-aware AI, automatically
Affordable AI for all.
Watch your savings grow. The best ROI on your AI.
MainStreet selects an eligible model and inference effort for every request, then shows the cost and qualified savings alongside the answer.
Per-request routing · Visible costs · Auditable savings
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Watch MainStreet route, answer, and save
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Why MainStreet
More useful work from every AI dollar.
Stay focused on the work while MainStreet makes smarter use of your AI budget.
Better use of your budget
Save premium reasoning for the work that needs it.
Savings you can see
Watch the value add up as you work.
Project governance
Your AI, on your terms.
Give every project durable context, goals, and guardrails so the work stays aligned from one conversation to the next.
Shared context
Start each conversation from the same source of truth.
Goals that stay in view
Keep every conversation aimed at the outcome.
Guardrails that travel
Apply project rules without repeating them in every prompt.
This chat
Illustrative+$0.004200
Estimated savings
Actual
$0.001800
Reference
$0.006000
Coverage
100%
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Visible savings
Your savings, in plain sight.
Follow actual spend and estimated savings across one chat or your entire workspace.
Honest by design
Only qualified comparisons count. Premiums stay visible, too.
Workspace access
Put MainStreet to work.
Bring a real task, start a conversation, and see the route and economics attached to every completed response.
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Current access terms are shown during account setup. No plan or savings guarantee is implied here.