Python vs Swift
Python shows up at 64 of the 255 companies we track, Swift at 5. 5 have both.
Counts come from DNS, response headers, page source and public job posts; a tool named in a single job post is not counted. They show adoption among companies developers look up, not market share. There is no signed verdict for this pair yet.
Python
64
companies (25% of those tracked)
Only Python
59 companies, plus 5 with both
- Adyen
- Airbnb
- Alan
- Anthropic
- Brex
- Cabify
- Celonis
- ClickHouse
- Cloudflare
- Cognite
- Cohere
- Cursor
- Databricks
- Datadog
- Doctolib
- Elastic
- ElevenLabs
- Fivetran
- GitLab
- GoCardless
- Grafana Labs
- ICEYE
- Intercom
- Legora
- Lovable
- MongoDB
- Monzo
- Notion
- OpenAI
- Oura
- Perplexity
- Plaid
- Ramp
- Replit
- Sentry
- Snowflake
- Spotify
- Stripe
- Together AI
- Twilio
- and 19 more
Usually paired with
React (52), Kubernetes (50), Stripe (37), Amazon Web Services (35), Terraform (33)
Swift
5
companies (2% of those tracked)
Only Swift
0 companies, plus 5 with both
Usually paired with
Kubernetes (5), Docker (5), React (4), Amazon Web Services (4), PostgreSQL (4)