Comparison
openlit vs trulens
Verdict
Pick openlit if openLIT is an open-source observability and evaluation platform for AI and coding agents, leveraging OpenTelemetry for tracking performance and costs; pick trulens if trulens aids in evaluating and monitoring Language Model experiments and AI agents, with integrations for various providers.
Markdown twin · openlit alternatives · trulens alternatives
GraphCanon updated Sep 20, 2026
16views this month
Trust & integrity
| Signal | openlit | trulens |
|---|---|---|
| Maintenance | Very active (0d since push) As of Sep 18, 2026 · github_public_v1 | Very active (1d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 18, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Sep 18, 2026 · osv@v1 | No published findings from this source as of 2026-07-11 As of Jul 11, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- openlit
- Open-source observability & evaluation platform for AI agents and coding agents
- trulens
- Evaluation and Tracking for LLM Experiments and AI Agents
Stars
- openlit
- 2.8k
- trulens
- 3.6k
Forks
- openlit
- 390
- trulens
- 345
Open issues
- openlit
- 77
- trulens
- 71
Language
- openlit
- TypeScript
- trulens
- Python
Adopt for
- openlit
- OpenLIT is an open-source observability and evaluation platform for AI and coding agents, leveraging OpenTelemetry for tracking performance and costs.
- trulens
- Trulens aids in evaluating and monitoring Language Model experiments and AI agents, with integrations for various providers.
Persona
- openlit
- -
- trulens
- -
Runtime
- openlit
- -
- trulens
- -
License
- openlit
- Apache-2.0
- trulens
- MIT
Last pushed
- openlit
- Sep 17, 2026
- trulens
- Sep 18, 2026
Categories
- openlit
- Evaluation & Observability
- trulens
- AI Agents, Evaluation & Observability
Trust and health
Days since push
- openlit
- 0d
- trulens
- 1d
Open issues (now)
- openlit
- 77
- trulens
- 71
Stars delta
- openlit
- +106 (30d)
- trulens
- +47 (30d)
Open issues delta
- openlit
- +29 (30d)
- trulens
- +6 (30d)
OSV dependency advisories
- openlit
- No lockfile (source not queried)
- trulens
- No published findings from this source as of 2026-07-11
Full report
- openlit
- Trust report
- trulens
- Trust report
Typed relationship
openlit alternative trulensOpenLit shares a similar focus on AI engineering observability but is more focused on providing a platform with diverse functionalities whereas TruLens specializes in detailed evaluation and monitoring.
Shared compatibility
- Python · openlit: Python runtime · trulens: Python runtime
Choose openlit if…
- openlit is primarily TypeScript; trulens is Python.
- License: openlit is Apache-2.0, trulens is MIT.
- Pricing: OpenLIT is free and open-source under the Apache License 2.0..
- Requirements: Installation is available via pip for Python and npm for TypeScript..
- OpenLit shares a similar focus on AI engineering observability but is more focused on providing a platform with diverse functionalities whereas TruLens specializes in detailed evaluation and monitoring.
- Tags unique to openlit: ai-engineering, ai-evaluation, ai-observability, ai-observability-platform.
- openlit ships Docker support for self-hosted deployment.
- When you need to track and evaluate the performance and costs of AI and coding agents using OpenTelemetry.
When NOT to use openlit
- If your project does not require observability and evaluation features for AI and coding agents.
- When you prefer proprietary tools over open-source solutions.
- If your project does not involve AI applications or does not need detailed cost tracking across multiple dimensions.
Choose trulens if…
- trulens is primarily Python; openlit is TypeScript.
- License: trulens is MIT, openlit is Apache-2.0.
- OpenLit shares a similar focus on AI engineering observability but is more focused on providing a platform with diverse functionalities whereas TruLens specializes in detailed evaluation and monitoring.
- Tags unique to trulens: agent-evaluation, ai-agents, ai-monitoring, evaluation-tool.
- Also covers AI Agents.
- Need to evaluate specific models from OpenAI, Google Gemini, AWS Bedrock, or HuggingFace.
When NOT to use trulens
- Looking for a tool that solely focuses on training models rather than evaluation and monitoring.
- Require support for less common model providers not listed in Trulens integrations.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (openlit/openlit) · observed Sep 20, 2026
- GitHub forks (openlit/openlit) · observed Sep 20, 2026
- Last push (openlit/openlit) · observed Sep 17, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 18, 2026
- Trust scan (lockfile / OSV) · observed Sep 18, 2026
- GitHub stars (truera/trulens) · observed Sep 20, 2026
- GitHub forks (truera/trulens) · observed Sep 20, 2026
- Last push (truera/trulens) · observed Sep 18, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: openlit 2.8k · trulens 3.6k (synced Sep 20, 2026).
Common questions
- What is the difference between openlit and trulens?
- openlit: Open-source observability & evaluation platform for AI agents and coding agents. trulens: Evaluation and Tracking for LLM Experiments and AI Agents. See the comparison table for live GitHub stats and shared categories.
- When should I choose openlit over trulens?
- Choose openlit over trulens when openlit is primarily TypeScript; trulens is Python; License: openlit is Apache-2.0, trulens is MIT; Pricing: OpenLIT is free and open-source under the Apache License 2.0.; Requirements: Installation is available via pip for Python and npm for TypeScript.; OpenLit shares a similar focus on AI engineering observability but is more focused on providing a platform with diverse functionalities whereas TruLens specializes in detailed evaluation and monitoring; Tags unique to openlit: ai-engineering, ai-evaluation, ai-observability, ai-observability-platform; openlit ships Docker support for self-hosted deployment; When you need to track and evaluate the performance and costs of AI and coding agents using OpenTelemetry.
- When should I choose trulens over openlit?
- Choose trulens over openlit when trulens is primarily Python; openlit is TypeScript; License: trulens is MIT, openlit is Apache-2.0; OpenLit shares a similar focus on AI engineering observability but is more focused on providing a platform with diverse functionalities whereas TruLens specializes in detailed evaluation and monitoring; Tags unique to trulens: agent-evaluation, ai-agents, ai-monitoring, evaluation-tool; Also covers AI Agents; Need to evaluate specific models from OpenAI, Google Gemini, AWS Bedrock, or HuggingFace.
- When should I avoid openlit?
- If your project does not require observability and evaluation features for AI and coding agents. When you prefer proprietary tools over open-source solutions. If your project does not involve AI applications or does not need detailed cost tracking across multiple dimensions.
- When should I avoid trulens?
- Looking for a tool that solely focuses on training models rather than evaluation and monitoring. Require support for less common model providers not listed in Trulens integrations.
- Is openlit or trulens more popular on GitHub?
- trulens has more GitHub stars (3,563 vs 2,770). Stars measure visibility, not whether either tool fits your constraints.
- Are openlit and trulens open source?
- Yes - both are open-source projects on GitHub (openlit: Apache-2.0, trulens: MIT).
- Where can I find alternatives to openlit or trulens?
- GraphCanon lists graph-backed alternatives at openlit alternatives and trulens alternatives (openlit markdown twin, trulens markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, openlit or trulens?
- openlit: Very active. trulens: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for openlit and trulens?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: openlit trust report; trulens trust report.