OpenInference
https://github.com/Arize-ai/openinference
Arize-led open OTel semantic conventions for LLM/agent tracing — auto-instrumentation for OpenAI/Anthropic/LangChain/LlamaIndex etc.
Active · Verified 2026-10-27 · fresh as of 2026-10-27 · 20 cited facts, 1 with a third-party source · 1 recorded change · Suggest a correction
At a glance
- Type
- OTel semantic conventions for LLMs repo fix
- Tier
- T2
- Latest release
- v0.1.42 (2026-10-23) — openinference-semantic-conventions registry fix
- License
- Apache-2.0 repo fix
- Pricing
- searched not found fix
- Funding
- searched not found fix
- Freshness
- 2026-10-27 fix
- Layer
- agent-infra repo fix
- Licensing
- open-source repo fix
- SDK languages
- go, java, python, typescript repo fix
- Protocols
- opentelemetry repo fix
- Developer activity
- OpenRank 13.2 (12-mo avg 14.13) · 57 participants — 2026-09 third-party fix
When to use
Optimised for: searched not found
Anti-fit: searched not found
Pros & cons
Pros
searched not found
Cons
searched not found
Claims & capabilities
OSS OpenTelemetry-based instrumentation for LLM apps; Apache-2.0; companion to Arize Phoenix.
Technical surface
- API surface
- Python and JS/TS OpenTelemetry instrumentation packages
- Backend storage
- not applicable — not a memory product
- Deployment
- Self-hosted only — library
- Embedding model
- not applicable — not a memory product
- Multi-tenancy
- searched not found
- MCP
- searched not found
- A2A
- searched not found
- OpenTelemetry
- searched not found
Similar systems
Other evaluation & observability platforms in the catalog, ranked by inbound references.
- Arize Phoenix T1
Arize AI's open-source LLM observability tool — OpenTelemetry-native LLM tracing, evals, datasets. Arize commercial offers Phoenix + Surveyor.
- Arize AI T1
Production ML monitoring + LLM observability (Arize AX) — drift, eval, root-cause. Pre-LLM observability leader; now LLM-pivoted.
- Braintrust T1
Eval-first LLM platform — datasets, eval runs, prompt playground, tracing. Founded by ex-Impira (acquired by Dropbox) team. Used by Notion, Brex, AirOps.
- Confident AI / DeepEval T2
Open-source DeepEval framework + Confident AI cloud — pytest-style eval runs, hallucination/relevance/bias metrics, datasets.
- OpenLLMetry (Traceloop) T2
Traceloop's open-source OpenTelemetry auto-instrumentation for LLM workflows — works with any OTel-compatible backend (Datadog, New Relic, Grafana, etc.).
- Helicone T2
Open-source LLM observability and AI gateway — one-line proxy integration captures every LLM call; sessions, custom properties, evals. Acquired by Mintlify in Mar 2026 and placed in maintenance mode; helicone.ai now states it is no longer part of Mintlify.
Sources (19 cited facts, 1 third-party)
Each fact links to the page it came from; the badge says who published it (how to read sources).
- What it is OTel semantic conventions for LLMs repo
- What it does & what's distinct Arize-led open OTel semantic conventions for LLM/agent tracing — auto-instrumentation fo… repo
- Claims / benefits OSS OpenTelemetry-based instrumentation for LLM apps; Apache-2.0; companion to Arize Pho… repo
- Created 2023 repo
- Latest release v0.1.42 (2026-10-23) — openinference-semantic-conventions registry
- License Apache-2.0 repo
- GitHub Arize-ai/openinference — ~1.3k stars, last commit 2026-10 repo
- Deployment Self-hosted only — library repo
- Code/weights release Active — last commit 2026-05 · 966★ repo
- API surface Python and JS/TS OpenTelemetry instrumentation packages registry
- commit-trajectory [{"ym":"2025-02","cum":890},{"ym":"2025-03","cum":958},{"ym":"2025-04","cum":1036},{"ym"… repo
- download-trajectory [{"ym":"2025-11","monthly":1081457,"cum":1081457},{"ym":"2025-12","monthly":2394633,"cum… registry
- architecture-deployment-locus local repo
- licensing-bucket open-source repo
- positioning-platform-vs-product platform repo
- taxonomy-three-layer-rollup agent-infra repo
- developer-activity-opendigger {"activity":185.04,"as_of":"2026-09","openrank_12mo":14.13,"openrank_current":13.2,"part… third-party
- sdk-languages go,java,python,typescript repo
- protocol-support opentelemetry repo
What changed
Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)
Related systems
References (27)
- Anthropic Claude (foundation models) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Anthropic Claude (foundation models). (verified 2026-10-29)
- AutoGen / AG2 integrates with — The OpenInference repo README lists an OpenInference instrumentation package for AutoGen / AG2. (verified 2026-10-29)
- BeeAI Framework integrates with — The OpenInference repo README lists an OpenInference instrumentation package for BeeAI Framework. (verified 2026-10-29)
- Claude Agent SDK integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Claude Agent SDK. (verified 2026-10-29)
- Cohere Command R+ / Command A integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Cohere Command R+ / Command A. (verified 2026-10-29)
- CrewAI integrates with — The OpenInference repo README lists an OpenInference instrumentation package for CrewAI. (verified 2026-10-29)
- DSPy integrates with — The OpenInference repo README lists an OpenInference instrumentation package for DSPy. (verified 2026-10-29)
- Google Agent Development Kit (ADK) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Google Agent Development Kit (ADK). (verified 2026-10-29)
- Google Gemini 3 family integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Google Gemini 3 family. (verified 2026-10-29)
- Haystack (framework) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Haystack (framework). (verified 2026-10-29)
- LangChain (framework) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for LangChain (framework). (verified 2026-10-29)
- LiteLLM integrates with — The OpenInference repo README lists an OpenInference instrumentation package for LiteLLM. (verified 2026-10-29)
- LlamaIndex (framework) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for LlamaIndex (framework). (verified 2026-10-29)
- Mistral Large 2 / Mixtral family integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Mistral Large 2 / Mixtral family. (verified 2026-10-29)
- Model Context Protocol (MCP spec) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Model Context Protocol (MCP spec). (verified 2026-10-29)
- OpenAI Agents SDK integrates with — The OpenInference repo README lists an OpenInference instrumentation package for OpenAI Agents SDK. (verified 2026-10-29)
- OpenAI GPT family (GPT-5 / GPT-4o / o3 / o4) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for OpenAI GPT family (GPT-5 / GPT-4o / o3 / o4). (verified 2026-10-29)
- OpenLLMetry (Traceloop) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for OpenLLMetry (Traceloop). (verified 2026-10-29)
- Phidata (now Agno) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Phidata. (verified 2026-10-29)
- Pipecat (Daily) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Pipecat (Daily). (verified 2026-10-29)
- Portkey AI integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Portkey AI. (verified 2026-10-29)
- Pydantic-AI integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Pydantic-AI. (verified 2026-10-29)
- smolagents (Hugging Face) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for smolagents (Hugging Face). (verified 2026-10-29)
- Spring AI ChatMemory integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Spring AI ChatMemory. (verified 2026-10-29)
- Strands Agents (AWS) integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Strands Agents (AWS). (verified 2026-10-29)
- Together AI integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Together AI. (verified 2026-10-29)
- Vercel AI SDK integrates with — The OpenInference repo README lists an OpenInference instrumentation package for Vercel AI SDK. (verified 2026-10-29)
Referenced by (5)
- Arthur Engine integrates with — Arthur Engine README: collects and analyzes OpenInference OpenTelemetry traces from agentic workflows. (verified 2026-10-29)
- LangChain (framework) integrates with — LangChain docs have an OpenInference integration provider page (OpenTelemetry instrumentation that records LangChain and LangGraph operations using OpenInference semantic conventions). (verified 2026-10-29)
- Langfuse integrates with — Langfuse's integrations directory has a OpenInference integration page. (verified 2026-10-29)
- LlamaIndex (framework) integrates with — LlamaIndex has an official callback/observability integration package llama-index-callbacks-openinference in its repo. (verified 2026-10-29)
- Pipecat (Daily) integrates with — Pipecat docs have a OpenInference service page. (verified 2026-10-29)