
designing interfaces for humans and agents @fastreplinc | yc alum
Seoul & SF
Joined November 2021
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the best way to make use of ai code review is to make your pr contain:
1. context — what was going on before
2. intention — why you thought it was off
3. direction — how you wanted to change it
with each commit messages containing the actions made.
each action vectors add up to become the total displacement and it's ai code review's job to fine tune the last mile.
i forgot to tell @s_II_a about my flight back to seoul, but @getcharnotes reminded me of this! (defcon is our daily standup meeting)
As a builder in the AI video space, I was terrified about how much markup API providers charge for simply routing the models.
Higgsfield API adds a 40% markup even with its maximum advertised discount. Fal adds 100%. Runway adds 414% (Seedance 2 480p)
I might be hated by the industry, but :
Today, we’re launching Sume API, the first image & video model provider with 0% markup.
For example with Seedance 2.5 1080p
• 50% cheaper than fal
• 50% cheaper than higgsfield api (29% even with biggest discount)
• 28.02% cheaper than kie ai
The routing infrastructure layer is never the moat. We believe that APIs should be commoditized, and the moats will be built at the application layer.
Check the pricing comparisons below, and see how the broken industry is saved.
feel like there's less and less reason to start using notion as people will share more of their work as claude artifacts and things like that.
if notion is already your company's knowledge base, staying makes sense. there's a switching cost.
but i don't think that cost will stay very high. getting your knowledge out and making it useful somewhere else keeps getting easier.
hmm... would love to hear other perspectives.
i want to ask all the fusion reactor startups, how do you prove that you're not a scam? my smartest friends working on fusion tell me that they can create an avg energy of a cheetos these days. are we actually getting anywhere? it's been a while since i got out of nuclear but man fusion was getting nowhere.













