Comparison
opik vs trulens
Verdict
Pick opik if opik is designed for evaluating and monitoring LLM applications, offering comprehensive tracing and dashboards; pick trulens if trulens aids in evaluating and monitoring Language Model experiments and AI agents, with integrations for various providers.
Markdown twin · opik alternatives · trulens alternatives
GraphCanon updated 1d
Trust & integrity
| Signal | opik | trulens |
|---|---|---|
| Maintenance | Very active (0d since push) As of 2w · github_public_v1 | Very active (0d since push) As of 1d · github_public_v1 |
| Provenance | Not a fork · Organization account As of 2w · github_public_v1 | Not a fork · Organization account As of 1d · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | No published findings from this source as of 2026-07-11 As of 1mo · 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
- opik
- Debug, evaluate, and monitor your LLM applications with comprehensive tracing and production-ready dashboards
- trulens
- Evaluation and Tracking for LLM Experiments and AI Agents
Stars
- opik
- 21k
- trulens
- 3.5k
Forks
- opik
- 1.7k
- trulens
- 327
Open issues
- opik
- 172
- trulens
- 65
Language
- opik
- Python
- trulens
- Python
Adopt for
- opik
- Opik is designed for evaluating and monitoring LLM applications, offering comprehensive tracing and dashboards.
- trulens
- Trulens aids in evaluating and monitoring Language Model experiments and AI agents, with integrations for various providers.
Persona
- opik
- -
- trulens
- -
Runtime
- opik
- -
- trulens
- -
License
- opik
- Apache-2.0
- trulens
- MIT
Last pushed
- opik
- Aug 7, 2026
- trulens
- Aug 20, 2026
Categories
- opik
- Evaluation & Observability
- trulens
- AI Agents, Evaluation & Observability
Trust and health
Open issues (now)
- opik
- 172
- trulens
- 65
Stars delta
- opik
- +767 (30d)
- trulens
- +68 (30d)
Open issues delta
- opik
- +23 (30d)
- trulens
- -32 (30d)
OSV dependency advisories
- opik
- No lockfile (source not queried)
- trulens
- No published findings from this source as of 2026-07-11
Full report
- opik
- Trust report
- trulens
- Trust report
Typed relationship
Shared compatibility
- Python · opik: Python runtime · trulens: Python runtime
Choose opik if…
- License: opik is Apache-2.0, trulens is MIT.
- Pricing: Opik is available under the Apache-2.0 license and can be deployed freely using Docker or Kubernetes, with no explicit mention of premium cloud-based services..
- Requirements: Compatible with Python environments.; Can be deployed via Docker for local use or Kubernetes for scalable installations..
- Both 'opik' and 'trulens' offer observability and evaluation features for AI applications, particularly focusing on LLMs. While 'opik' emphasizes open-source tools for tracing, evaluating, and optimizing generative AI applications from simple chatbots to complex agentic systems, 'trulens' is specialized in systematic evaluation and tracking of LLM experiments with a focus on identifying failure-mr
- Tags unique to opik: evaluation, llm-evaluation, llm-observability.
- - Use Opik when you need to deploy a self-hosted solution that offers granular control over your LLM monitoring setup.
When NOT to use opik
- - Avoid using Opik if you prefer cloud-based deployment options where extensive self-hosting management may be less preferable or feasible.
- - Do not use Opik if your project does not involve LLM applications or RAG systems, as its specific features will offer little benefit in a narrower context.
Choose trulens if…
- License: trulens is MIT, opik is Apache-2.0.
- Both 'opik' and 'trulens' offer observability and evaluation features for AI applications, particularly focusing on LLMs. While 'opik' emphasizes open-source tools for tracing, evaluating, and optimizing generative AI applications from simple chatbots to complex agentic systems, 'trulens' is specialized in systematic evaluation and tracking of LLM experiments with a focus on identifying failure-mr
- 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 (comet-ml/opik) · observed Aug 7, 2026
- GitHub forks (comet-ml/opik) · observed Aug 7, 2026
- Last push (comet-ml/opik) · observed Aug 7, 2026
- License file (Apache-2.0) · observed Aug 7, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (truera/trulens) · observed Aug 20, 2026
- GitHub forks (truera/trulens) · observed Aug 20, 2026
- Last push (truera/trulens) · observed Aug 20, 2026
- License file (MIT) · observed Aug 20, 2026
- Decision facts (enrichment) · observed Jul 12, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: opik 21k · trulens 3.5k (synced Aug 7, 2026).
Common questions
- What is the difference between opik and trulens?
- opik: Debug, evaluate, and monitor your LLM applications with comprehensive tracing and production-ready dashboards. 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 opik over trulens?
- Choose opik over trulens when License: opik is Apache-2.0, trulens is MIT; Pricing: Opik is available under the Apache-2.0 license and can be deployed freely using Docker or Kubernetes, with no explicit mention of premium cloud-based services.; Requirements: Compatible with Python environments.; Can be deployed via Docker for local use or Kubernetes for scalable installations.; Both 'opik' and 'trulens' offer observability and evaluation features for AI applications, particularly focusing on LLMs. While 'opik' emphasizes open-source tools for tracing, evaluating, and optimizing generative AI applications from simple chatbots to complex agentic systems, 'trulens' is specialized in systematic evaluation and tracking of LLM experiments with a focus on identifying failure-mr; Tags unique to opik: evaluation, llm-evaluation, llm-observability; - Use Opik when you need to deploy a self-hosted solution that offers granular control over your LLM monitoring setup.
- When should I choose trulens over opik?
- Choose trulens over opik when License: trulens is MIT, opik is Apache-2.0; Both 'opik' and 'trulens' offer observability and evaluation features for AI applications, particularly focusing on LLMs. While 'opik' emphasizes open-source tools for tracing, evaluating, and optimizing generative AI applications from simple chatbots to complex agentic systems, 'trulens' is specialized in systematic evaluation and tracking of LLM experiments with a focus on identifying failure-mr; 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 opik?
- - Avoid using Opik if you prefer cloud-based deployment options where extensive self-hosting management may be less preferable or feasible. - Do not use Opik if your project does not involve LLM applications or RAG systems, as its specific features will offer little benefit in a narrower context.
- 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 opik or trulens more popular on GitHub?
- opik has more GitHub stars (21,177 vs 3,516). Stars measure visibility, not whether either tool fits your constraints.
- Are opik and trulens open source?
- Yes - both are open-source projects on GitHub (opik: Apache-2.0, trulens: MIT).
- Where can I find alternatives to opik or trulens?
- GraphCanon lists graph-backed alternatives at opik alternatives and trulens alternatives (opik 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, opik or trulens?
- opik: 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 opik and trulens?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: opik trust report; trulens trust report.