# Arize Phoenix - **Canonical URI:** https://www.vioscale.ai/software/arize-phoenix - **Category:** Llm Observability - **Homepage:** https://phoenix.arize.com - **Also known as:** arize-phoenix - **Profile claimed by vendor:** no - **Last updated:** 2026-08-26T19:31:03.555Z ## Vioscale score **48 / 100**, confidence 18% (low). Computed 2026-09-01. _(updating — computed under an earlier model version or past its freshness window.)_ Composite of weighted, independently-sourced signals (no user reviews, no vendor payment). | Signal | Score | Weight | Contribution | Evidence present | |---|--:|--:|--:|:--:| | price_level | 0 | 0.052 | 0 | - | | reliability | 0 | 0.073 | 0 | - | | capabilities | 81.2 | 0.084 | 6.8 | ✓ | | repo_stars | 76.4 | 0.026 | 2 | ✓ | | integrations | 27.4 | 0.09355555555555557 | 2.6 | ✓ | | dependent_projects | 0 | 0.063 | 0 | ✓ | | dev_activity | 63.1 | 0.094 | 5.9 | ✓ | | release_cadence | 0 | 0.052 | 0 | - | | security_posture | 0 | 0.073 | 0 | - | | package_downloads | 0 | 0.136 | 0 | - | | security_score | 0 | 0.042 | 0 | - | | pricing_transparency | 0 | 0.084 | 0 | - | | community_qa_activity | 0 | 0.063 | 0 | - | ## About Phoenix provides OpenTelemetry-based instrumentation for LLM applications, AI-powered evaluation of model outputs and retrieval quality, and systematic prompt management with versioning. It supports both self-hosted and cloud deployment and integrates with major LLM frameworks and development tools. _Independently observed._ ## Platform & deployment - **Deployment:** Cloud / SaaS, Self-hosted ## Integrations (8) _Independently observed._ - LlamaIndex - OpenAI - Anthropic - AWS Bedrock - Vertex AI - Claude Code - Cursor - OpenLLMetry ## Capabilities _The capabilities that matter for Llm Observability. "-" = undocumented, not absent._ | Capability | Supported | |---|:--:| | **Capabilities** | | | Architecture model | Open source self hosted | | Token cost and latency waterfall charts | ✓ | | Opentelemetry openllmetry native export support | ✓ | | Prompt playground and in dashboard replay | ✓ | | Multi step agentic workflow distributed tracing | ✓ | | User feedback score API for thumbs up down tags | - | | Pii redaction and prompt content masking | - | | Production ab testing of system prompts | ✓ | | Automated anomaly detection for rate limits | - | | Native integration with langchain and llamaindex | ✓ | | SOC2 type ii | - | | Mit or apache permissive oss license | - | | Pricing model | Free open source | ## Release history | Version | Date | Type | |---|---|---| | [arize-phoenix-v20.4.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.4.0) | 2026-08-26 | stable | | [arize-phoenix-sqlean-v0.1.1](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-sqlean-v0.1.1) | 2026-08-25 | stable | | [arize-phoenix-evals-v3.5.1](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-evals-v3.5.1) | 2026-08-25 | stable | | [arize-phoenix-client-v3.3.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-client-v3.3.0) | 2026-08-22 | stable | | [arize-phoenix-evals-v3.5.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-evals-v3.5.0) | 2026-08-21 | stable | | [arize-phoenix-v20.3.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.3.0) | 2026-08-17 | stable | | [arize-phoenix-v20.2.1](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.2.1) | 2026-08-14 | stable | | [arize-phoenix-client-v3.2.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-client-v3.2.0) | 2026-08-14 | stable | | [arize-phoenix-v20.2.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.2.0) | 2026-08-13 | stable | | [arize-phoenix-v20.1.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.1.0) | 2026-08-12 | stable | | [arize-phoenix-v20.0.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v20.0.0) | 2026-08-11 | stable | | [arize-phoenix-client-v3.1.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-client-v3.1.0) | 2026-08-11 | stable | | [arize-phoenix-client-v3.0.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-client-v3.0.0) | 2026-08-11 | stable | | [arize-phoenix-v19.21.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v19.21.0) | 2026-08-10 | stable | | [arize-phoenix-v19.20.0](https://github.com/Arize-ai/phoenix/releases/tag/arize-phoenix-v19.20.0) | 2026-08-10 | stable | _… and 5 earlier release(s)._ ## Security & compliance Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=arize-phoenix-client&per_page=100)). A count reflects scale and disclosure, not quality. ## Facts Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule. ### activity | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | activity.commits_last_30d | 100 | [link](https://github.com/arize-ai/phoenix/pulse) | 2026-08-26 | 65% (medium) | ### adoption | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | adoption.github_stars | 11,203 | [link](https://github.com/arize-ai/phoenix) | 2026-08-26 | 90% (high) | | adoption.dependent_repos | 0 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Farize-ai%2Fphoenix) | 2026-08-26 | 85% (high) | ### language | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | language.primary | Python | [link](https://github.com/arize-ai/phoenix) | 2026-08-26 | 90% (high) | ### pricing | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | pricing.model | commercial | [link](https://phoenix.arize.com) | 2026-08-26 | 60% (medium) | ### integrations | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | integrations.count | 8 | [link](https://phoenix.arize.com) | 2026-08-21 | 60% (medium) | ### security | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=arize-phoenix-client&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=arize-phoenix-client&per_page=100) | 2026-08-26 | 90% (high) | --- *Source: Vioscale (https://www.vioscale.ai/software/arize-phoenix). Independent, evidence-based software intelligence. Cite the canonical URI.*