# phoenix

> AI Observability & Evaluation

- **URL**: https://www.freshcrate.ai/projects/phoenix
- **Author**: Arize-ai
- **Category**: Testing
- **Latest version**: `arize-phoenix-v17.1.0` (2026-06-02)
- **License**: NOASSERTION
- **Source**: https://github.com/Arize-ai/phoenix
- **Homepage**: https://arize.com/docs/phoenix
- **Language**: Python
- **GitHub**: 9,377 stars, 834 forks
- **Registry**: github
- **Tags**: `agents`, `ai-monitoring`, `ai-observability`, `aiengineering`, `anthropic`, `datasets`, `evals`, `jupyter notebook`, `langchain`, `prompt-engineering`

## Description

AI Observability & Evaluation

## Recent releases

| Version | Date | Urgency | Changes |
| --- | --- | --- | --- |
| `arize-phoenix-v17.1.0` | 2026-06-02 | High | ## [17.1.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v17.0.0...arize-phoenix-v17.1.0) (2026-06-02)   ### Features  * **playground:** add PXI load_dataset tool ([#13558](https://github.com/Arize-ai/phoenix/issues/13558)) ([96678ef](https://github.com/Arize-ai/phoenix/commit/96678efd16ec9675e048caceba1308b6ed138e2e)) * **pxi:** LLM-evaluator authoring for the PXI agent ([#13579](https://github.com/Arize-ai/phoenix/issues/13579)) ([1ead013](https://github.com/Arize-ai/phoenix/commi |
| `arize-phoenix-v16.3.0` | 2026-05-27 | High | ## [16.3.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v16.2.0...arize-phoenix-v16.3.0) (2026-05-27)   ### Features  * Add drag-to-zoom for project metric charts ([#13434](https://github.com/Arize-ai/phoenix/issues/13434)) ([4fe68f8](https://github.com/Arize-ai/phoenix/commit/4fe68f8e060ea250ad56e065ba5acbd69854cba3)) * **agents:** add skills capability to PXI agent ([#13349](https://github.com/Arize-ai/phoenix/issues/13349)) ([5ef9729](https://github.com/Arize-ai/phoenix/commit/5 |
| `arize-phoenix-v16.0.0` | 2026-05-21 | High | ## [16.0.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v15.12.0...arize-phoenix-v16.0.0) (2026-05-21)  [MIGRATION.md](https://github.com/Arize-ai/phoenix/blob/main/MIGRATION.md)   ### ⚠ BREAKING CHANGES  * Sandboxing and Code Evaluators ([#13290](https://github.com/Arize-ai/phoenix/issues/13290))  ### Features  Phoenix now lets you compose evaluation strategies in code.  Most eval tooling hands you a fixed menu of judge templates. Real evaluation is rarely that tidy. |
| `arize-phoenix-v15.10.0` | 2026-05-15 | High | ## [15.10.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v15.9.0...arize-phoenix-v15.10.0) (2026-05-15)   ### Features  * add trace feedback toolbar to session turns ([#13189](https://github.com/Arize-ai/phoenix/issues/13189)) ([1bd96b9](https://github.com/Arize-ai/phoenix/commit/1bd96b9a824dd2457c6f60e54897a6e1d5d92132)) * **agents:** curate agent model menu ([#13190](https://github.com/Arize-ai/phoenix/issues/13190)) ([de8c915](https://github.com/Arize-ai/phoenix/commit/de8c91579 |
| `arize-phoenix-v15.6.0` | 2026-05-10 | High | ## [15.6.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v15.5.1...arize-phoenix-v15.6.0) (2026-05-10)   ### Features  * **agents:** add /agents/{agent_id}/sessions/{session_id}/summary endpoint ([#13095](https://github.com/Arize-ai/phoenix/issues/13095)) ([419c3a0](https://github.com/Arize-ai/phoenix/commit/419c3a06978abce8f611569228438929f8e7b995)) * **agents:** Playground manipulation tools w/ confirmation ([#13093](https://github.com/Arize-ai/phoenix/issues/13093)) ([37dc417](ht |
| `arize-phoenix-v15.4.0` | 2026-05-05 | High | ## [15.4.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v15.3.0...arize-phoenix-v15.4.0) (2026-05-05)   ### Features  * **agents:** agent set_time_range tool with hardened context injection ([#13022](https://github.com/Arize-ai/phoenix/issues/13022)) ([115c08b](https://github.com/Arize-ai/phoenix/commit/115c08ba093d22ebe91dbc10d3c325fb03e39a79)) * **agents:** ToolPart styles and subcomponents ([#12894](https://github.com/Arize-ai/phoenix/issues/12894)) ([0d4e16b](https://github.com |
| `arize-phoenix-v15.1.0` | 2026-04-30 | High | ## [15.1.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v15.0.0...arize-phoenix-v15.1.0) (2026-04-30)   ### Features  * **api:** query annotations by identifier on GET endpoints ([#12952](https://github.com/Arize-ai/phoenix/issues/12952)) ([e2a1de9](https://github.com/Arize-ai/phoenix/commit/e2a1de9274b1434db89bb3aef1957abac3071d20)) * **cli:** add named auth profile management ([#12529](https://github.com/Arize-ai/phoenix/issues/12529)) ([ab62d3d](https://github.com/Arize-ai/phoen |
| `arize-phoenix-v14.15.0` | 2026-04-26 | High | ## [14.15.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v14.14.0...arize-phoenix-v14.15.0) (2026-04-26)   ### Features  * **app:** add sessions_ux flag with Turns/Traces toggle ([#12826](https://github.com/Arize-ai/phoenix/issues/12826)) ([e9cadd5](https://github.com/Arize-ai/phoenix/commit/e9cadd5ded309fbecbec5f9c3cb6ae35fbf2de6a)) * **skills:** add phoenix-skills-audit skill and weekly GHA ([#12863](https://github.com/Arize-ai/phoenix/issues/12863)) ([3d6cc81](https://github.com |
| `arize-phoenix-v14.11.0` | 2026-04-22 | High | ## [14.11.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v14.10.0...arize-phoenix-v14.11.0) (2026-04-22)   ### Features  * **agent:** session summary eval + sidebar-title prompt rewrite ([#12780](https://github.com/Arize-ai/phoenix/issues/12780)) ([fab5d89](https://github.com/Arize-ai/phoenix/commit/fab5d89b130cd14f301ee3b6ed02bbd295f21e0e)) * **app:** show root span name in session turn list ([#12795](https://github.com/Arize-ai/phoenix/issues/12795)) ([c31fd97](https://github.com |
| `arize-phoenix-v14.10.0` | 2026-04-21 | High | ## [14.10.0](https://github.com/Arize-ai/phoenix/compare/arize-phoenix-v14.9.1...arize-phoenix-v14.10.0) (2026-04-21)   ### Features  * **agent:** Display token count for chat sessions ([#12765](https://github.com/Arize-ai/phoenix/issues/12765)) ([c305919](https://github.com/Arize-ai/phoenix/commit/c305919514602acec4319650b9a4e5ea07b0ab07))   ### Bug Fixes  * **deps:** pin authlib<1.7.0 ([#12783](https://github.com/Arize-ai/phoenix/issues/12783)) ([cc606d8](https://github.com/Arize-ai/phoenix |

## Citation

- HTML: https://www.freshcrate.ai/projects/phoenix
- Markdown: https://www.freshcrate.ai/projects/phoenix.md
- Dependencies JSON: https://www.freshcrate.ai/api/projects/phoenix/deps

_Generated by freshcrate.ai. Indexes github releases for AI-agent ecosystem packages._