# Kleiner Perkins (slim)

> Kleiner Perkins's investments in AI tools on Anchor Terminal, Brex LLC, Browserbase, Cartesia, Cognition AI, Inc. and 14 more, with each listing's grade and the founders behind it.

- Full: https://www.anchorterminal.com/investors/kleiner-perkins/index.md (~2,550 tokens) · this version ~2,380 tokens · JSON https://www.anchorterminal.com/investors/kleiner-perkins/index.json · canonical https://www.anchorterminal.com/investors/kleiner-perkins/
- 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://www.kleinerperkins.com

## Companies on Anchor Terminal

- **Brex LLC**, Investment, June 2019, led a round, through Kleiner Perkins Digital Growth Fund
  - [Brex](https://www.anchorterminal.com/tools/brex.md), graded C, 60.7/100
  - Source: https://www.brex.com/journal/press/series-c-2
- **Browserbase**, Seed, 2024, Series A, November 2024, Series B, June 2025, led a round
  - [Browserbase](https://www.anchorterminal.com/tools/browserbase.md), graded BB, 72.3/100
  - Source: https://www.kleinerperkins.com/perspectives/browserbase-ai-seriesa/
- **Cartesia**, Series A, March 2025, led a round
  - [Cartesia Ink](https://www.anchorterminal.com/tools/cartesia-ink-stt.md), graded B, 68/100
  - [Cartesia Sonic TTS API + MCP](https://www.anchorterminal.com/tools/cartesia-tts.md), graded B, 64/100
  - [Cartesia Voice Cloning API + MCP](https://www.anchorterminal.com/tools/cartesia-voice-cloning.md), graded C, 59.7/100
  - Source: https://www.cartesia.ai/blog/series-a
- **Cognition AI, Inc.**, Series E, September 2026
  - [Devin](https://www.anchorterminal.com/tools/devin.md), graded C, 55.7/100
  - Source: https://cognition.com/blog/series-e
- **fal (Features & Labels, Inc.)**, Series D, December 2025
  - [fal image models](https://www.anchorterminal.com/tools/fal-image.md), graded B, 65.5/100
  - [fal music models](https://www.anchorterminal.com/tools/fal-music.md), graded B, 68.5/100
  - [fal video models](https://www.anchorterminal.com/tools/fal-video.md), graded B, 69.1/100
  - Source: https://blog.fal.ai/our-series-d-scaling-fal/
- **Fullstory, Inc.**, Series D, August 2021
  - [Fullstory](https://www.anchorterminal.com/tools/fullstory.md), graded B, 62.6/100
  - Source: https://www.fullstory.com/blog/series-d-announcement/
- **Glean Technologies, Inc.**, Series D, February 2024, Series E, September 2024, Series F, June 2025, led a round
  - [Glean](https://www.anchorterminal.com/tools/glean.md), graded B, 69.9/100
  - Source: https://www.glean.com/press/glean-announces-over-200m-series-d-to-accelerate-secure-deployment-of-generative-ai-in-the-enterprise
- **Granola, Inc.**, Series C, March 2026
  - [Granola](https://www.anchorterminal.com/tools/granola.md), graded C, 61.6/100
  - Source: https://www.granola.ai/blog/series-c
- **Gusto, Inc.**, July 2018 round
  - [Gusto](https://www.anchorterminal.com/tools/gusto.md), graded B, 63.3/100
  - Source: https://techcrunch.com/2018/07/31/gusto-raises-140-million-to-go-after-small-business-payroll-and-benefits-with-more-gusto/
- **Inngest**
  - [Inngest](https://www.anchorterminal.com/tools/inngest.md), graded B, 66.1/100
  - Source: https://www.inngest.com/about
- **Modal**, Series D, October 2026
  - [Modal](https://www.anchorterminal.com/tools/modal.md), graded B, 63.7/100
  - [Modal Sandboxes](https://www.anchorterminal.com/tools/modal-sandboxes.md), graded B, 66/100
  - Source: https://modal.com/blog/1-billion-annualized-run-rate-series-d
- **Motive Technologies, Inc.**
  - [Motive Agents](https://www.anchorterminal.com/tools/motive-agents.md), graded F, 24.5/100
  - Source: https://gomotive.com/en-gb/company/leadership/
- **Parallel Web Systems**, Series A, November 2025, Series B, April 2026, led a round
  - [Parallel Search and Task APIs](https://www.anchorterminal.com/tools/parallel-search-api.md), graded BB, 75.1/100
  - Source: https://parallel.ai/blog/series-a
- **PlanetScale**, Series C, November 2021, led a round
  - [PlanetScale MCP Server](https://www.anchorterminal.com/tools/planetscale-mcp.md), graded B, 66.6/100
  - Source: https://techcrunch.com/2021/11/16/planetscale-raises-50m-series-c-as-its-enterprise-database-service-hits-general-availability/
- **People Center, Inc. dba Rippling**, Series A, Series B, Series D, led a round
  - [Rippling](https://www.anchorterminal.com/tools/rippling.md), graded C, 60.9/100
  - Source: https://www.rippling.com/blog/rippling-45m-series-a-kleiner-perkins
- **Together AI**, Series A, November 2023, Series A extension, March 2024, Series B, February 2025, led a round
  - [Together Code Sandbox](https://www.anchorterminal.com/tools/together-code-sandbox.md), graded D, 53.7/100
  - [Together AI Fine-tuning](https://www.anchorterminal.com/tools/together-fine-tuning.md), graded C, 54.8/100
  - Source: https://www.together.ai/blog/series-a
- **Together Computer, Inc.**, Series A, November 2023, Series A extension, March 2024, Series B, February 2025, led a round
  - [Together AI Inference](https://www.anchorterminal.com/tools/together-inference.md), graded B, 67.8/100
  - Source: https://www.together.ai/blog/series-a
- **Vapi**, Series B, May 2026
  - [Vapi API + MCP](https://www.anchorterminal.com/tools/vapi.md), graded B, 63.7/100
  - Source: https://vapi.ai/blog/series-b

## Where they invest

- Code execution sandboxes, 2
- Spend management & procurement, 1
- Browser automation, 1
- Speech-to-text, 1
- Text-to-speech, 1
- Voice cloning & custom voices, 1
- Agent harnesses, 1
- Image generation, 1
- Music generation, 1
- Video generation, 1
- Product analytics & experimentation, 1
- Company knowledge & data catalogues, 1
- Meeting capture & meeting infrastructure, 1
- Payroll infrastructure, 1
- Human approval & handoff, 1
- GPU & serverless compute, 1
- Workflow automation, 1
- Web search APIs, 1
- Databases & files, 1
- HR & employee operations, 1
- Fine-tuning, 1
- Model APIs & inference, 1
- Conversational voice agents, 1

## Founders they backed

- [Henrique Dubugras](https://www.anchorterminal.com/people/henrique-dubugras/), Brex LLC
- [Pedro Franceschi](https://www.anchorterminal.com/people/pedro-franceschi/), Brex LLC
- [Paul Klein IV](https://www.anchorterminal.com/people/paul-klein-iv/), Browserbase
- [Karan Goel](https://www.anchorterminal.com/people/karan-goel/), Cartesia
- [Albert Gu](https://www.anchorterminal.com/people/albert-gu/), Cartesia
- [Arjun Desai](https://www.anchorterminal.com/people/arjun-desai/), Cartesia
- [Brandon Yang](https://www.anchorterminal.com/people/brandon-yang/), Cartesia
- [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.
- [Burkay Gur](https://www.anchorterminal.com/people/burkay-gur/), fal (Features & Labels, Inc.)
- [Gorkem Yurtseven](https://www.anchorterminal.com/people/gorkem-yurtseven/), fal (Features & Labels, Inc.)
- [Arvind Jain](https://www.anchorterminal.com/people/arvind-jain/), Glean Technologies, Inc.
- [T.R. Vishwanath](https://www.anchorterminal.com/people/t-r-vishwanath/), Glean Technologies, Inc.
- [Tony Gentilcore](https://www.anchorterminal.com/people/tony-gentilcore/), Glean Technologies, Inc.
- [Josh Reeves](https://www.anchorterminal.com/people/josh-reeves/), Gusto, Inc.
- [Edward Kim](https://www.anchorterminal.com/people/edward-kim/), Gusto, Inc.
- [Tomer London](https://www.anchorterminal.com/people/tomer-london/), Gusto, Inc.
- [Shoaib Makani](https://www.anchorterminal.com/people/shoaib-makani/), Motive Technologies, Inc.
- [Obaid Khan](https://www.anchorterminal.com/people/obaid-khan/), Motive Technologies, Inc.
- [Parag Agrawal](https://www.anchorterminal.com/people/parag-agrawal/), Parallel Web Systems
- [Vipul Ved Prakash](https://www.anchorterminal.com/people/vipul-ved-prakash/), Together Computer, Inc.
- [Ce Zhang](https://www.anchorterminal.com/people/ce-zhang/), Together Computer, Inc.
- [Tri Dao](https://www.anchorterminal.com/people/tri-dao/), Together Computer, Inc.
- [Chris Ré](https://www.anchorterminal.com/people/chris-re/), Together Computer, Inc.
- [Percy Liang](https://www.anchorterminal.com/people/percy-liang/), Together Computer, Inc.
- [Jordan Dearsley](https://www.anchorterminal.com/people/jordan-dearsley/), Vapi
- [Nikhil Gupta](https://www.anchorterminal.com/people/nikhil-gupta-2/), Vapi

## Questions

### Which AI tools has Kleiner Perkins invested in?

Anchor Terminal lists Brex LLC, Browserbase, Cartesia, Cognition AI, Inc., fal (Features & Labels, Inc.), Fullstory, Inc., Glean Technologies, Inc., Granola, Inc., Gusto, Inc., Inngest, Modal, Motive Technologies, Inc., Parallel Web Systems, PlanetScale, People Center, Inc.

### How are Kleiner Perkins's companies graded?

On Anchor Terminal's benchmark, Brex (C, 60.7), Browserbase (BB, 72.3), Cartesia Ink (B, 68), Cartesia Sonic TTS API + MCP (B, 64), Cartesia Voice Cloning API + MCP (C, 59.7), Devin (C, 55.7), fal image models (B, 65.5), fal music models (B, 68.5), fal video models (B, 69.1), Fullstory (B, 62.6), Glean (B, 69.9), Granola (C, 61.6), Gusto (B, 63.3), Inngest (B, 66.1), Modal (B, 63.7), Modal Sandboxes (B, 66), Motive Agents (F, 24.5), Parallel Search and Task APIs (BB, 75.1), PlanetScale MCP Server (B, 66.6), Rippling (C, 60.9), Together Code Sandbox (D, 53.7), Together AI Fine-tuning (C, 54.8), Together AI Inference (B, 67.8) and Vapi API + MCP (B, 63.7).

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.