OpenInference
OpenTelemetry-based instrumentation that traces LLM and agent framework calls so any observability backend can show them.
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About OpenInference
OpenInference is listed in our evals & observability category and is aimed at builders. OpenTelemetry-based instrumentation that traces LLM and agent framework calls so any observability backend can show them. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-18.
OpenInference at a glance
- Category: Evals & observability
- Built for: Developers and teams building with AI agents
- Pricing: Open source (as the maker states it)
- Licence: Apache License 2.0 (OSI-approved open source)
- GitHub: Arize-ai/openinference · 1,273 stars (as of Oct 21, 2026)
- Latest release: python-openinference-instrumentation-go…, Oct 10, 2026
- Last commit: Oct 20, 2026
- Official site: arize-ai.github.io/openinference
- Listed on AgentScout: Oct 18, 2026
OpenInference FAQ
What is OpenInference?
OpenTelemetry-based instrumentation that traces LLM and agent framework calls so any observability backend can show them.
How much does OpenInference cost?
OpenInference's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is OpenInference open source?
Yes. OpenInference's GitHub repository is published under the Apache License 2.0, according to the licence file in the repo.
Where can I find OpenInference's source code?
On GitHub at Arize-ai/openinference, which had 1,273 stars as of Oct 21, 2026. The latest release is python-openinference-instrumentation-google-genai: v1.4.13 (Oct 10, 2026).
What are alternatives to OpenInference?
Similar tools include Langfuse, OpenLIT, Latitude, Helicone, Respan and Braintrust.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
OpenInference ratings and reviews
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OpenInference alternatives
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OpenLIT
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Latitude
Observability platform for AI agents that captures traces, groups failures into signals and verifies fixes against real traces.
Helicone
Open-source LLM observability and gateway.
Respan
Observability and evaluation platform for LLM apps and agents.
Braintrust
Evals and observability platform for AI products.
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