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How HeroUI uses Together AI

10×

faster launch

As published on together.ai. Checked by usedby on Oct 9, 2026.

What happened

HeroUI uses Together Code Sandbox to execute AI-generated code and render live previews, storage and version control for HeroUI Chat, its text-to-app builder that generates React applications from prompts or screenshots.

Summary written by usedby from the source page, in English. The figures are those of Together AI and HeroUI, not ours.

  • two seconds“cold-start times dropping from two minutes to two seconds on average”

By switching, HeroUI cut their go-to-market timeline from five months to two weeks, reduced cold-starts to two seconds, and freed up their team to focus on building product—not infrastructure.

From the page. together.ai

With Together Code Sandbox, we had an MVP running in a couple of hours. We could finally test the result of HeroUI Chat, instead of waiting for months to see the result in a preview environment.

Junior Garcia, Founder and CEO of HeroUI. Source

What the story claims, and what we checked

What we compared with the page.

  • The figure: 10×CheckedThe figure is on the page; its label is our wording.
  • The passage quoted aboveCheckedCopied word for word from the page, near the name of HeroUI.
  • HeroUI uses Together AICheckedConfirmed line.
  • The result itselfNot checkedWe quote it; we did not measure it.

Same company, same tool or same industry.

95%“Time to First Token (TTFT): Improved by up to 95%”Arcee AI uses Together AI. Another customer of Together AI6דDecagon achieved nearly 6× cost reduction per turn compared to closed models like GPT-5 mini.”Decagon uses Together AI. Another customer of Together AIunder two weeks“Together’s team shipped FP8, FP4, and INT4 quantized variants of the Cogito models in under two weeks”Deep Cogito uses Together AI. Another customer of Together AI