Opik

aid: opik
name: Opik
description: 'Opik is an open-source LLM evaluation, testing, and tracing platform developed by Comet ML that enables developers
  to debug, evaluate, and monitor LLM applications, RAG systems, and agentic workflows. The platform provides a REST API for
  logging traces and spans, running automated evaluations with LLM-as-a-judge metrics, managing datasets and experiments,
  and tracking production performance. Opik supports over 40 framework integrations including LangChain, LlamaIndex, and OpenAI,
  and is available as a self-hosted open-source deployment or as a managed cloud service on Comet''s platform.

  '
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/opik/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
tags:
- LLM
- Evaluation
- Observability
- Tracing
- Open Source
- LLMOps
- RAG
- AI
- Machine Learning
- Monitoring
apis:
- aid: opik:opik-rest-api
  name: Opik REST API
  description: 'The Opik REST API provides programmatic access to all platform capabilities including logging traces and spans
    from LLM applications, managing datasets and experiment items, running evaluations, storing feedback scores, and accessing
    project data. The API is available for both the open-source self-hosted deployment and the managed Opik Cloud service,
    with authentication handled via API keys and workspace headers for cloud users.

    '
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.comet.com/docs/opik/reference/rest-api/overview
  baseURL: https://www.comet.com/opik/api/v1
  tags:
  - LLM
  - Tracing
  - Evaluation
  - Datasets
  - Experiments
  properties:
  - type: Documentation
    url: https://www.comet.com/docs/opik/reference/rest-api/overview
  - type: OpenAPI
    url: openapi/opik-rest-api-openapi.yml
common:
- type: Website
  url: https://www.comet.com/site/products/opik/
- type: Documentation
  url: https://www.comet.com/docs/opik/
- type: GitHubOrg
  url: https://github.com/comet-ml
- type: LinkedIn
  url: https://www.linkedin.com/company/comet-ml
- type: Blog
  url: https://www.comet.com/site/blog/
- type: Pricing
  url: https://www.comet.com/site/pricing/
- type: StatusPage
  url: https://status.comet.com/
- type: X
  url: https://x.com/cometml
- type: ChangeLog
  url: https://www.comet.com/docs/opik/changelog
- type: SDKDocumentation
  url: https://www.comet.com/docs/opik/python-sdk-reference/
- type: GitHubRepository
  url: https://github.com/comet-ml/opik
- type: Slack
  url: https://chat.comet.com
- type: Plans
  url: plans/opik-plans-pricing.yml
- type: RateLimits
  url: rate-limits/opik-rate-limits.yml
- type: FinOps
  url: finops/opik-finops.yml
- type: Vocabulary
  url: vocabulary/opik-vocabulary.yml
- type: JSONLDContext
  url: json-ld/opik-context.jsonld
- type: JSONSchema
  url: json-schema/opik-trace.json
- type: JSONSchema
  url: json-schema/opik-span.json
- type: JSONSchema
  url: json-schema/opik-experiment.json
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com