Comet Opik
Open-Source AI Observability & Evals for the Agentic Era
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Quick Answer
AIComet Opik is a GenAI observability and evaluation platform for developers to log, test, debug, and monitor LLM applications and agents. It offers 60+ integrations and an AI agent, Ollie, for automated fixes. Best for AI engineers and MLOps teams deploying LLM agents. Free and open-source plans are available.
Comet Opik is a GenAI observability and evaluation platform for developers to log, test, debug, and monitor LLM applications and agents. It provides comprehensive tracing, automated error surfacing, and AI-powered fixes to improve agent performance. Opik offers flexible deployment options including open-source self-hosting and cloud-hosted plans.
Opik uniquely combines open-source LLM observability with an integrated AI agent, Ollie, that automatically diagnoses issues from trace data and recommends code fixes.
Decision Intelligence
Best For
AIConsider Alternatives If
AI
Type
Free Trial
No
Credit Card
Not Required
Free Plan
Yes
Dimension Scores
· 7.8 avgHow good it is, across universal quality axes
Task Scores
· 7.3 avgWhat it can do, on category-specific tasks
Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →
- +Open-source version available for self-hosting
- +Generous free cloud tier with no credit card required
- +Integrates with 60+ LLM frameworks and tools
- +AI-powered agent (Ollie) for automated debugging and fixes
- +Enterprise-grade reliability and security from Comet platform
- -Free cloud plan has limited spans and data retention
- -Ollie coding harness is a trial in free/pro plans
- -Customizable features and dedicated support are limited to Enterprise plan
- -Requires some coding knowledge for integration and advanced use
- -Specific pricing for additional spans and retention is usage-based
Complexity
Company Size
Target Team Size
Target Skill Level
Privacy & data handling
Compliance audit trail
1 event- SOC 2
SOC 2 Type 2 certified
7mo ago · 2026-01-01 · source
The Model(s) Behind It
Model details — extracted from public vendor sources by our pipeline (Smart Generator + A3 cross-referencing) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.
Base Models
Collaborative analytics & data science notebook
Integrate with LangChain for LLM chain tracing.
Configure Opik with LlamaIndex for query engine tracing.
Track OpenAI API calls and completions.
Log metrics and experiments with PyTorch Lightning.
Track model training and metrics with Hugging Face Transformers.
Define and train models while tracking metrics with Keras.
Log model metrics and parameters with TensorFlow.
Auto-updated
Build a StackTrust Score
Very Good
Based on 10 data signals
Confidence: High
Reflects publicly available data, not an independent audit
Not yet checked
Some details are AI-generated estimates — verify with the vendor.
AI-generated estimate: Best For, Description, Limitations, Not Good For, Pros, Quick Answer, What Makes Unique
How we source dataAI Governance & Regulatory Disclosures
Legally-sensitive fields — extracted from public vendor sources by our pipeline (Smart Generator + A3 cross-referencing) or admin-entered. Shown as claimed by the vendor; not independently audited by Intelloro.
Switching & Migration
Dedicated support (2 hours)
- Full AI observability & agent testing feature set
- True OSS: same codebase as the hosted versions
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
- Unlimited Spans Included
- Unlimited Additional Spans
- Unlimited Span Data Retention
- Unlimited Additional Span Retention
- Community (Slack; GitHub) Support
- Self-Service (Ask AI) Support
- Public API
- Unlimited API Rate Limits
- SDKs (Python, TypeScript, R)
- MCP Server
- Query and Export Opik Data
- UI Data Export
- In-Platform Collaboration
- Up to 10 team members
- 25k spans per month
- 60-day data retention
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
- Ollie coding harness trial
- AI Application Tracing
- Agent Execution Graph
- Sessions Track the full lifecycle of your agents
- Token & Cost Tracking
- Multi-Media Logging
- Error Surfacing
- User Feedback Tracking
- Integrations with 40+ LLM frameworks
- OpenTelemetry Integration
- Agent Evaluation
- Conversation Evaluation
- Evaluation Datasets
- Experiments
- 30+ Built-in Evaluation Metrics
- Custom Metrics
- Automated Dataset Export
- Experiments Dashboards
- Dataset & Evaluation Versioning
- Agent Playground
- Agent Configuration
- Prompt Optimization
- Tool Optimization
- Native Support for 8+ LLM frameworks
- Optimization Dashboards
- Prompt Library
- Prompt Versioning
- Prompt Evaluation
- Prompt Playground
- Prompt Building
- Public API
- Unlimited API Rate Limits
- SDKs (Python, TypeScript, R)
- MCP Server
- Query and Export Opik Data
- UI Data Export
- In-Platform Collaboration
- US Data Region
- Community (Slack; GitHub) Support
- Self-Service (Ask AI) Support
- 25k Spans Included
- 60 days Span Data Retention
- Up to 50 team members
- 100k spans per month
- 60-day data retention
- Customizable monthly span limits
- Customizable data retention periods
- AI Application Tracing
- Agent Execution Graph
- Sessions Track the full lifecycle of your agents
- Token & Cost Tracking
- Multi-Media Logging
- Error Surfacing
- User Feedback Tracking
- Integrations with 40+ LLM frameworks
- OpenTelemetry Integration
- AI-Powered Debugging
- Dedicated Annotation UI
- Custom Feedback Schemas
- Annotation Queues
- Annotation for Traces
- Test Suites for Unit, Integration, and E2E Testing
- Test Items
- Assertions
- Item-Level Assertions
- Suite-Level Assertions
- Execution Policies
- Agent Evaluation
- Conversation Evaluation
- Evaluation Datasets
- Experiments
- 30+ Built-in Evaluation Metrics
- Custom Metrics
- Automated Dataset Export
- Experiments Dashboards
- Dataset & Evaluation Versioning
- Ollie Chat Interface
- Read & Analyze Traces
- Workspace Search
- Test Suite Management
- Opik Connect
- Direct Code Editing
- Run Your Agent
- Agent Playground
- Agent Configuration
- Prompt Optimization
- Tool Optimization
- Native Support for 8+ LLM frameworks
- Optimization Dashboards
- Prompt Library
- Prompt Versioning
- Prompt Evaluation
- Prompt Playground
- Prompt Building
- Production-Scale Monitoring
- Online Evaluation
- AI Guardrails
- Alerts
- Public API
- Unlimited API Rate Limits
- SDKs (Python, TypeScript, R)
- MCP Server
- Query and Export Opik Data
- UI Data Export
- In-Platform Collaboration
- US Data Region
- Community (Slack; GitHub) Support
- Self-Service (Ask AI) Support
- Email Support
- 100k Spans Included
- 60 days Span Data Retention
- Additional Spans: $5/100k spans
- Additional Span Retention: $29/100k spans
- Unlimited team members
- Custom usage plans
- Flexible deployments
- Service accounts and view-only users
- Single sign-on
- Dedicated support and SLAs
- SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance
- AI Application Tracing
- Agent Execution Graph
- Sessions Track the full lifecycle of your agents
- Token & Cost Tracking
- Multi-Media Logging
- Error Surfacing
- User Feedback Tracking
- Integrations with 40+ LLM frameworks
- OpenTelemetry Integration
- AI-Powered Debugging
- Dedicated Annotation UI
- Custom Feedback Schemas
- Annotation Queues
- Annotation for Traces
- Test Suites for Unit, Integration, and E2E Testing
- Test Items
- Assertions
- Item-Level Assertions
- Suite-Level Assertions
- Execution Policies
- Agent Evaluation
- Conversation Evaluation
- Evaluation Datasets
- Experiments
- 30+ Built-in Evaluation Metrics
- Custom Metrics
- Automated Dataset Export
- Experiments Dashboards
- Dataset & Evaluation Versioning
- Ollie Chat Interface
- Read & Analyze Traces
- Workspace Search
- Test Suite Management
- Opik Connect
- Direct Code Editing
- Run Your Agent
- Agent Playground
- Agent Configuration
- Prompt Optimization
- Tool Optimization
- Native Support for 8+ LLM frameworks
- Optimization Dashboards
- Prompt Library
- Prompt Versioning
- Prompt Evaluation
- Prompt Playground
- Prompt Building
- Production-Scale Monitoring
- Online Evaluation
- AI Guardrails
- Alerts
- Public API
- Unlimited API Rate Limits
- SDKs (Python, TypeScript, R)
- MCP Server
- Query and Export Opik Data
- UI Data Export
- In-Platform Collaboration
- Flexible Deployments
- Optional Add-On: MLOps Platform
- Custom Data Region
- RBAC (Project and Organization Level)
- View-Only Users
- Enterprise SSO (OAuth, SAML, SCIM)
- SSO Enforcement
- SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR Compliance
- Community (Slack; GitHub) Support
- Self-Service (Ask AI) Support
- Email Support
- Dedicated Support Team
- Private Slack Channel
- Service Accounts
- 2 hours Response Time SLA
- Unlimited Spans Included
- Unlimited Additional Spans
- Custom Span Data Retention
- Custom Additional Span Retention
Pricing verified from the vendor pricing page.
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