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What's new in FastAPI for AI

Avatar for Sebastián Ramírez Sebastián Ramírez
March 12, 2026
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What's new in FastAPI for AI

Avatar for Sebastián Ramírez

Sebastián Ramírez

March 12, 2026
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Transcript

  1. 🚀 What's new in FastAPI for AI

  2. Who am I? Sebastián Ramírez tiangolo.com @tiangolo 󰎪➡󰎲 I created:

    Building:

  3. @tiangolo

  4. • Open source • Web APIs • Python framework @tiangolo

  5. @tiangolo 84k+ ⭐ (now 95k+ ⭐)

  6. @tiangolo 30K+ docs users 12M+ downloads

  7. @tiangolo 30K+ docs users DAILY 12M+ downloads DAILY

  8. @tiangolo 30K+ docs users DAILY 12M+ downloads DAILY

  9. @tiangolo 280M+ downloads a month

  10. @tiangolo 280M+ downloads a month > Brazil's population

  11. @tiangolo ⌚ 10K+ downloads since the start of the talk

  12. Python Developer Survey @tiangolo

  13. StackOverflow Developer Survey 2021 2025 @tiangolo

  14. FastAPI stonks @tiangolo

  15. Who uses FastAPI …and many more. @tiangolo

  16. @tiangolo

  17. Webb - Space Telescope Institute @tiangolo

  18. OpenAI - ChatGPT @tiangolo

  19. Simulate Galaxies @tiangolo

  20. Accelerate particles at CERN - Large Hadron Collider @tiangolo

  21. @tiangolo

  22. @tiangolo 🤖 FastAPI for AI - UX

  23. UX - pyproject.toml @tiangolo

  24. UX - pyproject.toml @tiangolo

  25. UX - Extension for VS Code / Cursor @tiangolo

  26. UX - Extension for VS Code / Cursor @tiangolo

  27. UX - Extension for VS Code / Cursor @tiangolo

  28. @tiangolo 🤖 FastAPI for AI - code

  29. Humanity Expectations for AI @tiangolo

  30. Humanity AI Reality @tiangolo

  31. Pydantic Performance - return type @tiangolo

  32. Pydantic Performance - return type @tiangolo

  33. Stream data - JSON Lines @tiangolo

  34. Stream data - bytes @tiangolo

  35. Stream data - bytes @tiangolo

  36. Stream data - Server Sent Events (SSE) @tiangolo

  37. Stream data - SSE @tiangolo

  38. Stream data - SSE @tiangolo

  39. @tiangolo 🤖 FastAPI for AI - skills

  40. Library Agent Skills @tiangolo

  41. @tiangolo 🤖 FastAPI for AI - demo

  42. Stream data - SSE demo @tiangolo

  43. Stream data - SSE demo @tiangolo

  44. Stream data - SSE demo @tiangolo

  45. Stream data - SSE demo @tiangolo

  46. Stream data - SSE demo @tiangolo

  47. @tiangolo

  48. Thank you! Sebastián Ramírez tiangolo.com fastapi.tiangolo.com @tiangolo