Show HN: Marginal – See which customers and features drive your AI API costs

marginalhq.com

Demo account (shared, please be nice): https://marginalhq.com/login - email jithinlalk25+demo@gmail.com, password marginal-demo-2026. It's a seeded workspace for a fictional company; poke around Overview/Insights/Explorer. Or sign up and send real events.

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This is a smart way to make AI spend easier to understand especially tying costs back to specific customers and features.

At Brainspack we work on AI and full-stack development. If you ever need an extra development partner, feel free to reach out:kavita@mail.brainspack.co

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