Comparison

Braintrust vs Converra

Braintrust helps you evaluate and observe your agents. Converra turns those insights into simulation-tested fixes — automatically, not just when you have engineering time.

At a glance

Dimension
Braintrust
Converra
Primary job
Evaluate & observe
Diagnose, fix & deploy
Output
Eval scores, logs, datasets
Validated prompt improvements
Iteration model
You run evals, you decide changes
Diagnose + fix + validate
Testing approach
You build datasets + scorers
Offline head-to-head simulation
Variant generation
Manual (prompt playground)
Auto-generated, targeted edits
Deployment
Not included
Gated deploy, instant rollback

Deciding in 60 seconds?

  • →Need scoring pipelines and eval infrastructure? Braintrust.
  • →Need prompts to improve without running the loop yourself? Converra.
  • →Use both: Braintrust for measurement, Converra for improvement.

When to use each

When to use Braintrust

Braintrust is excellent for teams building eval infrastructure:

  • Building and running evaluation pipelines at scale
  • Scoring agent outputs with custom evaluators
  • Logging and debugging production traces
  • Managing prompt iterations in the playground
  • Team-wide visibility into agent quality

When to use Converra

Converra is built for teams who've hit the ceiling on manual optimization, where the next iteration costs more than it's worth:

  • Prompts improving continuously without manual cycles
  • Variant generation based on production failure patterns
  • Head-to-head simulation before any deployment
  • No eval dataset required to get started
  • Regression testing and governed deployment with rollback

Braintrust measures your agents. Converra fixes them.

Better together

Braintrust measures. Converra improves. Use both for the full loop — from evaluation to tested fixes.

1

Build your eval infrastructure in Braintrust

2

Converra uses production patterns to generate and test fixes

3

Validated improvements ship with full audit trail

View integration docs

Frequently asked questions

Can I use both?

Yes, complementary. Use Braintrust for eval infrastructure, Converra for tested fixes.

I already have evals in Braintrust. Do I need to rebuild?

No. Converra generates its own test coverage. Your evals remain useful.

Does Converra replace Braintrust's logging?

No. Braintrust is great for production logging. Converra adds the improvement loop on top.

What about Braintrust's prompt playground?

Playground is for manual exploration. Converra automates variant generation, simulation, and selection.

Is Converra a Braintrust alternative?

Different tools. Braintrust measures, Converra fixes. If you want agent failures diagnosed and fixed automatically, Converra is what you need.

Other comparisons: vs LangSmith · vs Langfuse · vs DSPy · vs Patronus · vs Opik · vs Galileo · vs Zenbase

See Converra in action

Connect your agent and see simulation-tested fixes in action.

Start for free