Tracely vs Tracely-ai

The two are close in size: 1.2k stars for Tracely, 1.2k for Tracely-ai. Over the days we have tracked them Tracely moved +27% and Tracely-ai +18.6%, so Tracely is growing faster right now.

Tracely-ai leads on model freedom. Tracely does not take any axis by a clear margin.

Stars and commit dates come from our own daily tracking. The six axes are read off each project's documentation by our review pipeline, so they describe what a project says about itself, not what we measured in its code.

Where they stand today

Promotes real failing production traces into hermetic, replayable regression tests that run offline in CI and block PRs.

Stars
1.2k
Tracked growth
+27%
Maturity
Last commit
5h ago
Language
Python
License
MIT
Cost to run
Self-hosted; CI replays use recorded fixtures (no model spend).

Promotes real failing production traces into hermetic, replayable regression cases that run offline in CI and block PRs, instead of relying on hand-authored datasets.

Stars
1.2k
Tracked growth
+18.6%
Maturity
Last commit
5h ago
Language
Python
License
MIT
Cost to run
CI replay $0; live judges use your model API key.
0%+28%15 tracked days
Jwuthri/TracelyJwuthri/Tracely-ai

Six axes, head to head

Each axis runs 0 to 5. The label under a score is what that project's own docs claim, not a category average.

AxisTracelyTracely-ai
Context depth
How much of your codebase it sees before it answers: the open diff, the diff plus related files, or the whole repository.
No repo context
Per-run only
Noise control
How it keeps output volume down — severity thresholds, deduplication, incremental runs over new commits only.
Clustering & gating
Clustering & gating
Customization
How far it bends to your team: custom rules, prompts, style guides, per-path config.
Extensive rules & prompts
Rich rule & prompts
Privacy
Whether your code stays on your own infrastructure: fully local, self-hostable, or cloud API only.
Self-hostable / local
Self-hostable
Model freedom
Whether you can point it at any provider, or it is wired to one.
Multiple providers
Bring-your-key
Setup ease
What it takes to get a first useful run out of it.
One-command demo
One-command demo

Which one to pick

Pick Tracely if…

Production-driven testing — turn exact failing traces into deterministic regression cases that replay in CI with no model spend to prevent regressions.

Runs in github-action, ci, cli, web-app. Works with byok, openai, anthropic.

Pick Tracely-ai if…

Production-driven tests — pick Tracely when you want failing runs promoted from real traces into deterministic, offline regression cases that gate PRs.

  • Model freedom: Bring-your-key (5/5 against 3/5)
Runs in github-action, ci, cli, web-app. Works with byok, openai, anthropic.

What people want from each one

Questions people ask

Is Tracely better than Tracely-ai?

Tracely-ai leads on model freedom. Tracely does not take any axis by a clear margin. Tracely is worth picking when production-driven testing — turn exact failing traces into deterministic regression cases that replay in CI with no model spend to prevent regressions.

Which of Tracely and Tracely-ai keeps my code private?

Tracely: Self-hostable / local (5/5). Tracely-ai: Self-hostable (4/5).

What does each one cost to run?

Tracely: Self-hosted; CI replays use recorded fixtures (no model spend).. Tracely-ai: CI replay $0; live judges use your model API key..

Full profiles: Jwuthri/Tracely and Jwuthri/Tracely-ai. Everything else in Observability & tracing.