Trio

Modern async concurrency library focused on structured concurrency, making async code easier to reason about and safer to write.

async-runtime-frameworksNew to PyRadar
71
Hero Score
Popularity
70
Performance
70
Ecosystem
50
Maturity
92
Dev Experience
72
⭐ 7,274 stars⬇ 10.1M downloads/wkFirst release: Dec 2017Last release: Feb 2026
Async Support: YesPlugin Extensions: MediumSpeed: MediumDoc Quality: Very highLearning Curve: Medium

Pros

  • Structured concurrency makes async code safer and more predictable
  • Excellent error handling and cancellation model
  • Well-designed and highly praised documentation

Cons

  • Smaller ecosystem compared to asyncio
  • Not directly compatible with asyncio-based libraries
  • Less adoption in mainstream frameworks

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