opik vs flask

opik and flask share 4 technologies: werkzeug, itsdangerous, markupsafe, and jinja2. Both are written in Python.

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What they share and what sets them apart

comet-ml

opik

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

Python23.2kRead on November 4, 2026, at commit df61dd2What is opik built with?

Only in opik

In common

  • werkzeug
  • itsdangerous
  • markupsafe
  • jinja2
pallets

flask

The Python micro framework for building web applications.

Python75kRead on November 5, 2026, at commit 49943b5What is flask built with?

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
opik1,680,031 lines written7,878 code files
flask18,393 lines written24 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
opik19.7% of its commits signed by AIWith Claude Code, GitHub Copilot, and Cursor
flask0% of its commits signed by AI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
opikLast push November 4, 20267,898 commits23,166 stars
flaskLast push October 30, 20263,832 commits74,953 stars
TestsThe files that test the code, and the share of code files a test imports.
opik2,703 test files20.9% of its code files have a test that imports them
flask49 test files62.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, opik or flask?
opik, with 1,680,031 lines written; flask has 18,393.

The proof: comet-ml/opik's code at commit df61dd2

Which has more GitHub stars, opik or flask?
flask, with 74,953 stars; opik has 23,166.

The proof: pallets/flask on GitHub

Which has more tests, opik or flask?
opik, with 2,703 test files; flask has 49.

The proof: comet-ml/opik's code at commit df61dd2

Which was updated more recently, opik or flask?
opik: its last push was on November 4, 2026, and flask's on October 30, 2026.

The proof: comet-ml/opik's commits on GitHub

Which has more commits signed by AI, opik or flask?
opik: an AI signed 19.7% of its commits, with Claude Code, GitHub Copilot, and Cursor.

The proof: the commits each tool signed in comet-ml/opik

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