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Technologies / Anthropic / LlamaIndex

Companies using Anthropic and LlamaIndex

14 companies in our data have public evidence for both Anthropic and LlamaIndex, and 11 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

14companies use both
under 1%of Anthropic users
67%of LlamaIndex users
11name both as subprocessors

Companies using one are 5.4 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyAnthropicLlamaIndex
BlackMountainblackmountain.ioAI and machine learningProductivity and collaboration
Catoget-cato.comCato provides an AI platform for managing public tender processes, from finding and analyzing tender documents to preparing and submitting offers.AI and machine learningGovernment and public sector
Grw AIgrw.aiGrw provides conversation intelligence and AI software that prepares meetings, drafts follow-ups, updates the CRM, and coaches sales reps.AI and machine learningSales
Karomiakaromia.euCompliance and riskEnergy and climate
Klaris AIklaris.aiKlaris provides an AI platform that reviews medical device technical documentation against regulatory requirements and flags gaps with remediation guidance.Compliance and risk
lovable.dev
n8nn8n.ion8n is a platform for building AI agents and workflows with a visual builder and code.AI and machine learningDeveloper tools
Neopleneople.ioAI and machine learning
Spendflospendflo.comSpendflo provides an AI workforce that supports procurement and finance processes, from sourcing and contracting to purchasing, invoices and payment workflows.Finance and accounting software
Relytryrely.aiRely provides diligence automation for multifamily properties that ingests property documents and turns them into source-backed audits, tracked RFIs, and AI-powered workflows.Compliance and riskReal estate
Verinodeverinode.aiVerinode is an independent data trust for the restoration industry that holds a business's data securely and benchmarks it against peer operators.Data and analytics
Wellwellapp.aiWell is a contact in messaging apps like WhatsApp, Claude, and ChatGPT that handles invoices, receipts, reminders, and renewals.Finance and accounting software
donnerstag.aiAI and machine learningFinance and accounting software
SeedForgeseedforge.comSeedForge provides a private profile where founders upload their deck and documents for investors to follow.

The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

under 1% of the 2,910 companies we see using Anthropic also show the other.

All 2,910 companies using Anthropic2,239 name it as a subprocessorMore in AI and LLM providers

LlamaIndex is an applied AI lab building frontier models for enterprise-grade document parsing and extraction. It is used to turn documents into AI-ready context for document automation.

Summarized from llamaindex.ai on 8 Nov 2026.

67% of the 21 companies we see using LlamaIndex also show the other.

All 21 companies using LlamaIndex18 name it as a subprocessor

Industries

Among the companies above, by our own classification of their homepage.

AI and machine learning6Compliance and risk3Finance and accounting software3

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,898companiesGoogle Workspace2,128companiesOpenAI1,993companiesAmazon Web Services1,556companiesStripe1,525companiesGoogle1,411companies

More with LlamaIndex

Cloudflare21companiesGoogle Workspace17companiesOpenAI15companiesAmazon Web Services11companiesGoogle10companiesGoogle Tag Manager10companies

Questions

How many companies use both Anthropic and LlamaIndex?

14 companies in StrataDB's data have public evidence for both, and 11 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Anthropic and LlamaIndex?

BlackMountain, Cato, Grw AI, Karomia and Klaris AI, and 9 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and LlamaIndex?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Anthropic and LlamaIndex

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
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