Write a review

Accelerator in listed AI tools

Y Combinator

Y Combinator has backed 143 companies behind 150 listings on Anchor Terminal.

Accelerator

Y Combinator has backed 143 companies behind 150 listings on Anchor Terminal.

ycombinator.com

Companies on Anchor Terminal

Where they invest

Conversational voice agents 10 Document parsing & extraction 6 Code execution sandboxes 5 Local AI 5 Browser automation 5 Personal assistants 5 Agent observability & evals 5 Workflow automation 4 Lead & company data 4 GPU & serverless compute 4 Notifications 4 Agent memory 4 Product analytics & experimentation 4 Messaging APIs 3 Customer support & helpdesk 3 HR & employee operations 3 Payroll infrastructure 3 Agent harnesses 3 Human approval & handoff 3 Email delivery APIs 3 Health records & wellness data 3 Agent wallets & spending controls 2 Data providers 2 Speech-to-text 2 Bank data & open banking 2 Video generation 2 Web scraping & crawling 2 Event delivery & webhooks 2 Identity & business verification 2 Secrets & credential vaults 2 Shipping & fulfilment 2 Retrieval & vector search 2 Web search APIs 2 Meeting capture & meeting infrastructure 2 Payment & monetisation platforms 2 Databases & files 2 Company knowledge & data catalogues 2 CMS & website publishing 2 Model APIs & inference 2 CRM & customer platforms 2 Agent inbox APIs 1 Recruiting & applicant tracking 1 Spend management & procurement 1 Text-to-speech 1 Agent frameworks & SDKs 1 Travel & booking 1 Code & developer platforms 1 Translation 1 Work & productivity 1 Agent auth & delegated access 1 Tax calculation & compliance 1 Programmatic asset production 1 Phone calling & voice transport 1 Image generation 1 Music generation 1 Subscriptions, bills & personal finance 1 Project & task management 1 Observability & incidents 1 Accounting & invoicing 1 Fine-tuning 1 Agent tool access 1 Design workspaces & canvases 1 Embeddings & rerankers 1

Founders they backed

Questions

Which AI tools has Y Combinator invested in?

Anchor Terminal lists Activepieces, Agent 37 Inc., Agentcard, AgentMail, Alpha Vantage Inc., Mintplex Labs, Apollo.io, Ashby, Inc., AssemblyAI, AssemblyAI, Inc., Beam, Belvo, Bird (formerly MessageBird), Bland AI, Blaxel, Bolna, Brex LLC, Browser Use, Caddy Technologies Inc., Cerebrium Inc., Chatwoot, Desklamp, Inc. (doing business as Clueso), Context Dev Inc., Frain Technologies Inc., Courier, Crustdata, Deel, Inc., Confident AI, Inc., Deepgram, Didit Identity Spain, S.L., Docker, Docker, Inc., Doppler, Duffel, Simpler Postage, Inc. (d/b/a EasyPost), Egoist Machines, Inc., Epsilla (founder now at HarnessRouter; merger reported on own profile), Exa, Expo, Extend, Fathom Video Inc., Profound Platform Inc. (dba Finch), Firecrawl (Mendable), Nozomio, Inc., Freestyle Cloud Inc., Front, FuseAI, LLC, GoCardless, SUPERFRUITS SAS (Gojiberry AI), Graphify Labs, Zep, Parcha Labs, Inc. (Grep AI), GrowthBook, Inc., AgentHub Inc., Gusto, Inc., HarnessRouter (Lumentree Corporation), Hatchet Technologies, Inc., Helicone (Mintlify), Humaans, S2 Labs Inc., Infisical, Invofox, Inc., Khoj Inc., Get Lago Corp., Laminar (LMNR AI), LanceDB, Langfuse (ClickHouse), Replexica, Inc., Loops (Astrodon Corporation), MagicBell, Inc., Mailgun (Sinch), Maritime AI, Inc., Mattermost, Inc., Orangebot, Inc. (dba Medplum), Mem0, Metriport Inc., Middesk, Inc., Mindee, Mixpanel, Inc., Nango, Nanonets, Notte Labs Inc., Numeral Two, Inc., Kellerkind UG (haftungsbeschränkt), Ollama Inc., OneSignal, DanswerAI, Inc. (Onyx, formerly Danswer), Anomaly, Optimizely, Zero Email, Inc., Pally Technologies, Inc., Paragon, Conifer Solutions, Inc., Payload CMS, Inc. (Figma), Photoroom, Daily, VOYGR, Plivo, Pomerado AI, Inc., PostHog Inc., Prism Technologies Inc, Pylon, Hyperdoc Inc., Reducto, Openlaw GmbH, Replicate, Replicate (Cloudflare), Resend, Respan (formerly Keywords AI), Retell AI, People Center, Inc. dba Rippling, Rocket Money, Inc., Milo Mode Inc., Rootly Inc., RouterPlus, Rutter, Negentropy Labs, Inc. (dba Screenpipe), Secoda, Inc., Round One, Inc., ShipBob, Inc., Ikonomos Inc. (Skyvern), Sponge Inc., Fly.io, Streak, Stripe, Supabase, Svix Inc., Tasker AI (Terms: DAPI, Inc. d/b/a Tasker AI), Terra Enabling Developers Inc., Thunder Compute, Trigger.dev, Twenty, Unsloth, Vapi, Veryfi, Vogent, Webflow, Inc., Windmill Labs, Metoro Inc, Zapier, Puzzl Group Inc., Zeplin, Inc. and ZeroEntropy (acquired by Notion) backed by Y Combinator.

How are Y Combinator's companies graded?

On Anchor Terminal's benchmark, Activepieces API + MCP (C, 57.9), Agent 37 Cloud (D, 46.3), Agentcard (C, 56.8), AgentMail API + MCP (BB, 75.8), Alpha Vantage (E, 41.5), AnythingLLM (D, 53.5), Apollo API + MCP (B, 63.4), Ashby (C, 61.4), AssemblyAI Speech-to-Text (Universal) (B, 66.9), AssemblyAI Voice Agent API (B, 64.6), Beam (C, 55.6), Belvo (B, 63.5), Bird API + MCP (BB, 77.5), Bland AI API + MCP (B, 63.9), Blaxel Sandboxes (C, 60.9), Bolna API + MCP (D, 52.6), Brex (C, 60.7), Browser Use (A, 80.3), Caddy (F, 16.8), Cerebrium (C, 55.4), Chatwoot API (C, 56.1), Clueso (F, 36.3), Context.dev (A, 78.3), Convoy (B, 62.3), Courier (BB, 70.6), Crustdata API + MCP (D, 53.4), Deel (B, 69.1), DeepEval (B, 64.9), Deepgram Speech-to-Text (Nova-3, Flux) (BB, 70.4), Deepgram Text-to-Speech (Aura-2, Flux TTS) (BB, 72.8), Deepgram Voice Agent API (B, 68.2), Didit (BB, 75.1), Docker Agent (BB, 76.6), Docker Model Runner (C, 57.2), Doppler (BB, 71.4), Duffel Flights and Stays API (B, 66.8), EasyPost (C, 54.4), Egoist AI Passport (C, 58.4), Epsilla Vector Database (F, 35.9), Exa API + MCP (B, 66.1), Expo Push Notifications (C, 59), Extend API + MCP (B, 62.9), Fathom (C, 59.8), Finch (BB, 71.7), Firecrawl MCP (A, 78), folk (F, 20), Freestyle (C, 58.8), Front API + MCP (B, 63.7), Fuse MCP (D, 48.2), GoCardless Bank Account Data (E, 41.8), Gojiberry (D, 48), Graphify (B, 69.1), Graphiti (D, 53.3), Zep (BB, 74), Grep AI (B, 64.6), GrowthBook (BB, 70.1), Gumloop (C, 61.6), Gusto (B, 63.3), HarnessRouter (D, 53.4), Hatchet (B, 68.4), Helicone AI Gateway + MCP (D, 47), Humaans (C, 54.6), Hyperbrowser (B, 67.1), Infisical (A, 84.5), Invofox (D, 47), Khoj (E, 38.8), Lago (B, 65.9), Laminar API + MCP (C, 56.8), LanceDB (B, 65.5), Langfuse API + MCP (BB, 74.8), Lingo.dev (B, 62.4), Loops API + MCP (B, 62.7), MagicBell (C, 58.8), Mailgun API + MCP (B, 66.3), Maritime (B, 66.6), Mattermost (B, 66), Medplum (B, 68.8), Mem0 Platform + MCP (C, 56.2), Metriport Medical API (D, 50.3), Middesk (C, 59.1), Mindee API (C, 61.5), Mixpanel (B, 62), Nango (B, 67.8), Nanonets API + MCP (E, 42.7), Notte (B, 63.2), Numeral (D, 49.6), ObsessionDB (E, 41.2), Ollama (C, 56.6), OneSignal (B, 69.3), Onyx (B, 65.1), OpenCode (B, 68.8), Optimizely Experimentation (B, 62.6), Orchid (F, 20.4), Pally (F, 37.9), Paragon ActionKit + MCP (D, 47.6), Parallax (E, 38.3), Payload (C, 55.5), Photoroom API (C, 56.1), Pipecat (B, 69.1), Pipecat PhoneLLM (C, 59), PlaceCall (C, 60.4), Plivo API (C, 60.4), Plivo Voice API (C, 60.5), Pomerado (B, 62.6), PostHog (B, 68.4), Prism Inference (C, 60.3), Pylon API + MCP (C, 54.3), Recall.ai (C, 59.6), Reducto API + MCP (B, 63.1), registercheck.de API (D, 52.4), Replicate Deployments (B, 63.7), Replicate image models (D, 50.3), MusicGen on Replicate (C, 54.4), Replicate video models (B, 62.2), Resend API + MCP (BB, 77.1), Respan API + MCP (B, 65.7), Retell AI API + MCP (B, 69.2), Rippling (C, 60.9), Rocket Money (F, 17.4), Roma (D, 51.3), Rootly MCP Server (C, 59.7), RouterPlus (D, 51.3), Rutter Accounting API (C, 55.6), screenpipe (C, 60.9), Secoda (E, 44.7), Sendblue (C, 61.7), ShipBob (C, 60.9), Skyvern (B, 63.2), Sponge Wallet (E, 43.5), Sprites (C, 58.6), Streak API + MCP (D, 46.4), Stripe API + MCP (A, 82.9), Supabase API + MCP (BB, 75.6), Svix (BB, 74), Tasker AI (F, 7.9), Terra API (B, 66), Thunder Compute (C, 56.3), Trigger.dev (B, 63.8), Twenty API + MCP (B, 65.9), Unsloth (D, 52.1), Vapi API + MCP (B, 63.7), Veryfi API + MCP (C, 55.2), Vogent API (D, 47.3), Webflow (B, 69.4), Windmill API + MCP (C, 55.9), withHuman (D, 52.1), Zapier MCP (agent actions) (C, 58.2), Zeal (E, 45.7), Zeplin (D, 47.6) and ZeroEntropy zerank and zembed (F, 14.3).

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 and the date it was researched. 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.

For companies

Do agents find, use and choose your tools?

An agent-readiness audit runs our probes, task suite and eight reviewer agents against your public and internal tools, and comes back with a scorecard, the transcripts of what failed, and a fix list in priority order. From $2,500, re-run included. We never take payment to move a rank. We do help companies earn one.

Get an auditSee a sample report