# Who uses Braintrust? 39 companies use Braintrust on usedby: 15 confirmed, 24 observed and 0 signals. 26% of them are in DevTools & Infrastructure. Confirmed or observed customers include Cloudflare, Coursera and Dropbox. Latest check 2026-10-07: 39 of 39 companies checked, from 15 public sources. > Observability and evaluation platform to trace, score and improve AI agents in production. - Category: [LLM Ops & Frameworks](https://www.usedby.ai/tools/category/llm-ops-frameworks.md) - Website: [braintrust.dev](https://www.braintrust.dev/) ## Customers Every line is a customer, at one of three proof levels: confirmed (a case study, a named quote or a press release), observed (the vendor shows the company on its own pages) or signal (a job post shows the company's employees use the tool, the weakest proof). The first public proof is the first public page we found, not an adoption date. | Company | Industry | Proof | First public proof | Source | |---|---|---|---|---| | [Cloudflare](https://www.usedby.ai/companies/cloudflare.md) | Cybersecurity | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/cloudflare), captured 2026-10-06 | | [Coursera](https://www.usedby.ai/companies/coursera.md) | EdTech & E-learning | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/coursera), captured 2026-10-06 | | [Dropbox](https://www.usedby.ai/companies/dropbox.md) | DevTools & Infrastructure | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/dropbox), captured 2026-10-06 | | [Instacart](https://www.usedby.ai/companies/instacart.md) | Logistics & Supply Chain | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [MongoDB](https://www.usedby.ai/companies/mongodb.md) | Data & Analytics | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Stripe](https://www.usedby.ai/companies/stripe.md) | Fintech & Payments | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Notion](https://www.usedby.ai/companies/notion.md) | DevTools & Infrastructure | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/notion), captured 2026-10-06 | | [Retool](https://www.usedby.ai/companies/retool.md) | DevTools & Infrastructure | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/retool), captured 2026-10-06 | | [Vercel](https://www.usedby.ai/companies/vercel.md) | DevTools & Infrastructure | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers), captured 2026-10-06 | | [Airtable](https://www.usedby.ai/companies/airtable.md) | DevTools & Infrastructure | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Mixpanel](https://www.usedby.ai/companies/mixpanel.md) | Data & Analytics | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Ramp](https://www.usedby.ai/companies/ramp.md) | Fintech & Payments | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Samsara](https://www.usedby.ai/companies/samsara.md) | Logistics & Supply Chain | Observed | — | [braintrust.dev](https://www.braintrust.dev/customers), captured 2026-10-06 | | [Zendesk](https://www.usedby.ai/companies/zendesk.md) | Sales Tech & CRM | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Replit](https://www.usedby.ai/companies/replit.md) | DevTools & Infrastructure | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers), captured 2026-10-06 | | [Expensify](https://www.usedby.ai/companies/expensify.md) | Fintech & Payments | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [GetYourGuide](https://www.usedby.ai/companies/getyourguide.md) | Travel & Hospitality | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Box](https://www.usedby.ai/companies/box.md) | — | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/box), captured 2026-10-06 | | [Browserbase](https://www.usedby.ai/companies/browserbase.md) | DevTools & Infrastructure | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers), captured 2026-10-06 | | [Eve](https://www.usedby.ai/companies/eve.md) | — | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/eve), captured 2026-10-06 | | [Navan](https://www.usedby.ai/companies/navan.md) | Travel & Hospitality | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/navan), captured 2026-10-06 | | [Pylon](https://www.usedby.ai/companies/pylon.md) | — | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/pylon), captured 2026-10-06 | | [Rex](https://www.usedby.ai/companies/rex.md) | — | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/rex), captured 2026-10-06 | | [Tolan](https://www.usedby.ai/companies/tolan.md) | — | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers), captured 2026-10-06 | | [Augment](https://www.usedby.ai/companies/augment.md) | — | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Dia](https://www.usedby.ai/companies/dia.md) | Government & GovTech | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Dialpad](https://www.usedby.ai/companies/dialpad.md) | — | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Ember](https://www.usedby.ai/companies/ember.md) | — | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Greptile](https://www.usedby.ai/companies/greptile.md) | DevTools & Infrastructure | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [KeyBank](https://www.usedby.ai/companies/keybank.md) | Banking & Mortgages | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Konfío](https://www.usedby.ai/companies/konfio.md) | Fintech & Payments | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Lightfield](https://www.usedby.ai/companies/lightfield.md) | — | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Playlist](https://www.usedby.ai/companies/playlist.md) | — | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Semgrep](https://www.usedby.ai/companies/semgrep.md) | Cybersecurity | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Superhuman](https://www.usedby.ai/companies/superhuman.md) | DevTools & Infrastructure | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Humanly](https://www.usedby.ai/companies/humanly.md) | HR & Recruiting | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Graphite](https://www.usedby.ai/companies/graphite.md) | DevTools & Infrastructure | Confirmed | — | [braintrust.dev](https://www.braintrust.dev/customers/graphite), captured 2026-10-06 | | [Granola](https://www.usedby.ai/companies/granola.md) | Artificial Intelligence | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | | [Lovable](https://www.usedby.ai/companies/lovable.md) | Artificial Intelligence | Observed | — | [braintrust.dev](https://www.braintrust.dev/pricing), captured 2026-10-06 | ## Published results Reviewed stories only. A figure is the vendor’s or the customer’s claim, quoted with its label; usedby did not measure it. - [Navan](https://www.usedby.ai/case-studies/navan-braintrust.md): **\>0.9** Eval system macro F1 score (Vendor case study, captured by usedby 2026-10-06) - [Box](https://www.usedby.ai/case-studies/box-braintrust.md): **80%+** Score threshold for internal release (Vendor case study, captured by usedby 2026-10-06) - [Pylon](https://www.usedby.ai/case-studies/pylon-braintrust.md): **~10 → 0 mins** Engineering time to debug an issue (Vendor case study, captured by usedby 2026-10-06) - [Rex](https://www.usedby.ai/case-studies/rex-braintrust.md): **30-min** fix cycles (Vendor case study, captured by usedby 2026-10-06) - [Cloudflare](https://www.usedby.ai/case-studies/cloudflare-braintrust.md): story without a checked figure. (Vendor case study, captured by usedby 2026-10-06) ## Before you buy Read on Braintrust’s own pages; the quote was found on the cited page. | Fact | Value | Source | Checked | |---|---|---|---| | Security | SOC 2 Type II | [trust.braintrust.dev](https://trust.braintrust.dev/) | 2026-10-07 | | Data processing terms | A data processing agreement is available. | [trust.braintrust.dev](https://trust.braintrust.dev/) | 2026-10-07 | | Free trial | Free trial or free plan available. | [braintrust.dev](https://www.braintrust.dev/pricing) | 2026-10-07 | | Integrations | OpenTelemetry, Vercel AI SDK, Claude Agent SDK, OpenAI Agents SDK, LlamaIndex, CrewAI, AgentScope, LangChain, LangSmith, LangGraph | [braintrust.dev](https://www.braintrust.dev/docs/integrations) | 2026-10-07 | | Pricing | Starter: $0 / month; Pro: $249 / month; Enterprise: contact sales | [braintrust.dev](https://www.braintrust.dev/pricing) | 2026-10-07 | ## Alternatives - [LangSmith](https://www.usedby.ai/tools/langsmith.md): 43 public customers. Compare: https://www.usedby.ai/compare/braintrust-vs-langsmith.md - [Arize AI](https://www.usedby.ai/tools/arize-ai.md): 35 public customers. Compare: https://www.usedby.ai/compare/arize-ai-vs-braintrust.md - [Langchain](https://www.usedby.ai/tools/langchain.md): 32 public customers. Compare: https://www.usedby.ai/compare/braintrust-vs-langchain.md - [TrueFoundry](https://www.usedby.ai/tools/truefoundry.md): 27 public customers. Compare: https://www.usedby.ai/compare/braintrust-vs-truefoundry.md - [E2B](https://www.usedby.ai/tools/e2b.md): 23 public customers. Compare: https://www.usedby.ai/compare/braintrust-vs-e2b.md More: https://www.usedby.ai/alternatives/braintrust.md --- Source: https://www.usedby.ai/tools/braintrust · How we check: https://www.usedby.ai/methodology