# Founders Fund (slim) > Founders Fund's investments in AI tools on Anchor Terminal, Anthropic, Belvo, Brave, Anthropic, PBC and 9 more, with each listing's grade and the founders behind it. - Full: https://www.anchorterminal.com/investors/founders-fund/index.md (~1,850 tokens) · this version ~1,730 tokens · JSON https://www.anchorterminal.com/investors/founders-fund/index.json · canonical https://www.anchorterminal.com/investors/founders-fund/ - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28 - Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data) Venture firm. Website: https://foundersfund.com ## Companies on Anchor Terminal - **Anthropic**, Series G, February 2026, led a round - [Claude API](https://www.anchorterminal.com/tools/anthropic-api.md), graded BB, 77.3/100 - [Claude Agent SDK](https://www.anchorterminal.com/tools/claude-agent-sdk.md), graded BB, 70.1/100 - [Claude Code](https://www.anchorterminal.com/tools/claude-code.md), graded C, 59.9/100 - Source: https://www.anthropic.com/news/anthropic-raises-30-billion-series-g-funding-380-billion-post-money-valuation - **Belvo**, Seed, May 2020, led a round - [Belvo](https://www.anchorterminal.com/tools/belvo.md), graded B, 63.5/100 - Source: https://belvo.com/blog/raising-10m-double-down-building-the-future-finance-latin-america/ - **Brave**, Seed, August 2016, through FF Angel - [Brave Search API + MCP](https://www.anchorterminal.com/tools/brave-search-mcp.md), graded B, 68/100 - Source: https://techcrunch.com/?p=1361827 - **Anthropic, PBC**, Series G, February 2026, led a round - [Claude Duet](https://www.anchorterminal.com/tools/claude-duet.md), graded F, 17.9/100 - Source: https://www.anthropic.com/news/anthropic-raises-30-billion-series-g-funding-380-billion-post-money-valuation - **Crusoe**, Series B, April 2021, Series D, December 2024, Series E, October 2025, Series F, September 2026, led a round - [Crusoe Cloud](https://www.anchorterminal.com/tools/crusoe-cloud.md), graded B, 63.4/100 - Source: https://www.crusoe.ai/resources/newsroom/crusoe-announces-series-f-funding - **Cognition AI, Inc.**, Funding round, September 2025, Series D, May 2026, Series E, September 2026, led a round - [Devin](https://www.anchorterminal.com/tools/devin.md), graded C, 55.7/100 - Source: https://cognition.com/blog/funding-growth-and-the-next-frontier-of-ai-coding-agents - **Persona Identities, Inc.**, Series D, 2025, led a round - [Persona](https://www.anchorterminal.com/tools/persona.md), graded B, 69.6/100 - Source: https://incyber.org/en/article/identity-verification-us-start-up-persona-raises-200-million/ - **Prime Intellect**, Seed, February 2025, led a round - [Prime Agent](https://www.anchorterminal.com/tools/prime-agent.md), graded C, 60.5/100 - Source: https://www.primeintellect.ai/blog/fundraise - **Ramp Business Corporation**, Funding round, December 2020, Series B, April 2021, Series C, August 2021, Funding round, March 2022, Funding round, August 2023, Series D-2, April 2024, led a round - [Ramp](https://www.anchorterminal.com/tools/ramp.md), graded C, 57.3/100 - Source: https://ramp.com/blog/ramp-series-c - **People Center, Inc. dba Rippling**, Series B, led a round - [Rippling](https://www.anchorterminal.com/tools/rippling.md), graded C, 60.9/100 - Source: https://www.rippling.com/blog/rippling-series-b-funding - **Stripe**, Series I, March 2023 - [Stripe API + MCP](https://www.anchorterminal.com/tools/stripe-mcp.md), graded A, 82.9/100 - Source: https://stripe.com/newsroom/news/stripe-series-i-employee-liquidity - **TaskRabbit, Inc.** - [Taskrabbit Partner API](https://www.anchorterminal.com/tools/taskrabbit.md), graded E, 44.4/100 - Source: https://techcrunch.com/2017/09/28/ikea-buys-taskrabbit/ - **Teller**, Seed, reported January 2020 - [Teller](https://www.anchorterminal.com/tools/teller.md), graded E, 43/100 - Source: https://techcrunch.com/2020/01/27/teller/ ## Where they invest - Agent harnesses, 3 - Bank data & open banking, 2 - Model APIs & inference, 1 - Agent frameworks & SDKs, 1 - Web search APIs, 1 - Personal assistants, 1 - GPU & serverless compute, 1 - Identity & business verification, 1 - Spend management & procurement, 1 - HR & employee operations, 1 - Payment & monetisation platforms, 1 - Home services & local trades, 1 ## Founders they backed - [Dario Amodei](https://www.anchorterminal.com/people/dario-amodei/), Anthropic - [Daniela Amodei](https://www.anchorterminal.com/people/daniela-amodei/), Anthropic - [Tom Brown](https://www.anchorterminal.com/people/tom-brown/), Anthropic - [Jack Clark](https://www.anchorterminal.com/people/jack-clark/), Anthropic - [Jared Kaplan](https://www.anchorterminal.com/people/jared-kaplan/), Anthropic - [Sam McCandlish](https://www.anchorterminal.com/people/sam-mccandlish/), Anthropic - [Chris Olah](https://www.anchorterminal.com/people/chris-olah/), Anthropic - [Oriol Tintore](https://www.anchorterminal.com/people/oriol-tintore/), Belvo - [Pablo Viguera](https://www.anchorterminal.com/people/pablo-viguera/), Belvo - [Brendan Eich](https://www.anchorterminal.com/people/brendan-eich/), Brave - [Brian R. Bondy](https://www.anchorterminal.com/people/brian-r-bondy/), Brave - [Karan Ahuja](https://www.anchorterminal.com/people/karan-ahuja/), Anthropic, PBC - [Scott Wu](https://www.anchorterminal.com/people/scott-wu/), Cognition AI, Inc. - [Steven Hao](https://www.anchorterminal.com/people/steven-hao/), Cognition AI, Inc. - [Walden Yan](https://www.anchorterminal.com/people/walden-yan/), Cognition AI, Inc. - [Rick Song](https://www.anchorterminal.com/people/rick-song/), Persona Identities, Inc. - [Charles Yeh](https://www.anchorterminal.com/people/charles-yeh/), Persona Identities, Inc. - [Patrick Collison](https://www.anchorterminal.com/people/patrick-collison/), OpenAI and Stripe, Stripe, LLC, Stripe - [John Collison](https://www.anchorterminal.com/people/john-collison/), OpenAI and Stripe, Stripe, LLC, Stripe - [Leah Solivan](https://www.anchorterminal.com/people/leah-solivan/), TaskRabbit, Inc. - [Stevie Graham](https://www.anchorterminal.com/people/stevie-graham/), Teller ## Questions ### Which AI tools has Founders Fund invested in? Anchor Terminal lists Anthropic, Belvo, Brave, Anthropic, PBC, Crusoe, Cognition AI, Inc., Persona Identities, Inc., Prime Intellect, Ramp Business Corporation, People Center, Inc. ### How are Founders Fund's companies graded? On Anchor Terminal's benchmark, Claude API (BB, 77.3), Claude Agent SDK (BB, 70.1), Claude Code (C, 59.9), Belvo (B, 63.5), Brave Search API + MCP (B, 68), Claude Duet (F, 17.9), Crusoe Cloud (B, 63.4), Devin (C, 55.7), Persona (B, 69.6), Prime Agent (C, 60.5), Ramp (C, 57.3), Rippling (C, 60.9), Stripe API + MCP (A, 82.9), Taskrabbit Partner API (E, 44.4) and Teller (E, 43). Investors 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.