SaaS ideas your next customers are already looking for
100 SaaS startup ideas for the people who said they'd pay, from agency owners to dentists. Micro SaaS ideas, AI SaaS ideas and B2B SaaS ideas: find yours, build it, sign them up.
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Pain points in business: what people struggle with
Search the problems to solve, as people described them on Reddit and other platforms, in their own words.
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AI Cost Visibility Gap
AI product teams and SaaS founders lack per-customer, per-feature visibility into variable AI inference costs, causing margin loss and budget surprises.
In their words
est ce que c'est une bonne idée même si c'est possible ? De ce retrouvé dépendant de boîte qui peuvent changer les règles et les tarifs comme bon leur semble.
At the rate we're being billed, it'd be cheaper to handle these with humans than pay $1.5 per.
It now costs me more to setup basic client folder structure in CoWork than entire practice management platforms charge per user on a flat fee of $50/mo
We have been using TalentLMS for now but since we get many new employees and create different courses based on requirements, the costs get very high.
I want to know HOW MUCH WORK CAN I DO THIS WEEK?
This new cost model just cannot stand in an enterprise context with fixed budgets.
Now they want us to reduce our token usage and disable some of the existing AI supported pipelines until we can get our budget under control.
company decide stupid stuff they don't really understand. and make it worse for everyone.
I’m not paying $300 so my front line grunts can open one or two viz per year.
no way if it's going to be $30+ 100% metered usage
A single browser tab got stuck in a reload/re-render loop and continuously triggered API and database requests.
o custo de manter essa infraestrutura toda no ar ... tá saindo mais caro que a mensalidade
I'm on the $200 claude plan and blew through my weekly limits with Fable in a day, then ended up wasting $20 with opus 4.8 overages in an hour
The agent spend forecasting problem is what gets teams in trouble - you ship something that works... and the bill triples.
AI SaaS founders
Where they talk
- r/SaaS
- r/microsaas
- r/AI_Agents
- r/micro_saas
- r/AI_Customer_Support
- r/SideProject
- r/LLMDevs
- r/microsoft_365_copilot
Tools they use today
- Claude
- ChatGPT
- Gemini
- Copilot
- Codex
- Claude Code
- OpenRouter
- Claude Cowork
Why those fall short
- AI costs were absolutely through the roof
- viewer licenses cost too much; pricing not AI-first or fit-for-purpose
- no fixed price, no included tokens, no way to cap spend or forecast costs
- policy ignores worktime as a variable, cheap model takes hours
- no built-in credits; chat and tasks both bill consumption
Map of ideas
Drawing the map…