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  "markdown": "Venture firm.\n\n## Companies on Anchor Terminal\n\n- **Vercel Inc.**\n  - [Vercel AI Gateway](https://www.anchorterminal.com/tools/vercel-ai-gateway.md), graded B, 66.8/100\n  - [Vercel Connect](https://www.anchorterminal.com/tools/vercel-connect.md), graded B, 68.8/100\n  - Source: https://vercel.com/about\n- **Vercel**\n  - [Vercel Sandbox](https://www.anchorterminal.com/tools/vercel-sandbox.md), graded BB, 73.5/100\n  - Source: https://vercel.com/about\n\n## Where they invest\n\n- Model APIs \u0026 inference, 1\n- Agent auth \u0026 delegated access, 1\n- Code execution sandboxes, 1\n\n## Founders they backed\n\n- [Guillermo Rauch](https://www.anchorterminal.com/people/guillermo-rauch/), Vercel Inc., Vercel\n\n## Questions\n\n### Which AI tools has S28 Capital invested in?\n\nAnchor Terminal lists Vercel Inc. and Vercel backed by S28 Capital.\n\n### How are S28 Capital's companies graded?\n\nOn Anchor Terminal's benchmark, Vercel AI Gateway (B, 66.8), Vercel Connect (B, 68.8) and Vercel Sandbox (BB, 73.5).\n\nInvestors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source. An investor isn't a sign of quality, and nobody can pay to be listed or to change a grade. To correct something or have a page removed, write to privacy@anchorterminal.com.\n",
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