Langtrace
llm-observability
Open-source, OpenTelemetry-based observability for LLM applications
Pricing
Free plan
Rating
—
Votes
0
Head-to-head comparison
Langtrace vs DeepEval
Compare Langtrace and DeepEval side by side across pricing, features, ratings, pros, cons, best-fit use cases, and alternatives.
DeepEval
llm-observability
Open-source LLM evaluation framework with pytest-style testing.
Pricing
Free plan
Rating
—
Votes
0
Feature comparison
Feature
Langtrace
DeepEval
Category
llm-observability
llm-observability
Pricing
Free plan
Free plan
Free plan
API access
Mobile app
Browser extension
Team collaboration
Custom training
Self-hosted option
Offline mode
Multi-language support
Langtrace pros and cons
Fully open source and self-hostable
Built on the OpenTelemetry standard
Traces export to any observability stack
Supports Python and TypeScript
Smaller ecosystem than larger competitors
Fewer turnkey enterprise features
Evaluations can require manual effort
DeepEval pros and cons
pytest-style workflow fits developer habits
50+ research-backed metrics out of the box
Apache-2.0 and free to use
Covers RAG, agents, conversations, and safety
Eval reliability depends on judge model/config
Competitive, crowded evaluation category
Richer collaboration features require Confident AI cloud
Which one should you choose?
Best overall signal
Langtrace
Selected using Toolglade popularity signals such as views and votes.
Best value signal
Langtrace
Selected using free-plan availability and engagement signals.
Best for
Langtrace
- LLM app tracing
- Cost and latency monitoring
- Vendor-neutral observability
- LLM app developers
- RAG engineers
DeepEval
- LLM unit testing
- RAG evaluation
- CI/CD quality gates
- red-teaming and safety checks
- Engineering teams treating evals like tests
FAQ
Is Langtrace better than DeepEval?
It depends on your use case. Compare category fit, pricing, feature availability, and ratings before choosing.
Which tool has a free plan?
Langtrace and DeepEval offer a free plan based on current Toolglade data.