- evals: retry RateLimitError in SyncExecutor instead of failing the whole run (#16376) (56e9a89)
Phoenix by Arize AI
Traces, evaluates and troubleshoots LLM apps and agents, built on OpenTelemetry, with prompt experiments and datasets. Runs locally, self-hosted or in the cloud.
Agent tooling for cost, context and memory
New · Added to AgentGid on Oct 8, 2026LLM tracing and evaluation toolProprietaryFree to start
Price
Free (OSS)
free and open source
Popularity
Top 10 in Agent tooling
Gid Score 44 / 100 · #75 of 283 overall
Trend
Gaining stars
about +12 GitHub stars a day
Development
Actively updated
latest 3.9.1, yesterday
Community
11.8K GitHub stars
160K package downloads a week
What Phoenix does
Key facts
| Maker | Arize AI |
|---|---|
| Type | LLM tracing and evaluation tool |
| License | Elastic-2.0 |
| Interfaces | Web app, Python library, OpenTelemetry |
| Main language | Python |
| Open issues and PRs | 1,105 |
Pricing
Phoenix is free to self-host. Arize's hosted AX platform has a free tier and AX Pro at $50 a month.
Source: official pricing page, checked Oct 9, 2026. Prices change often; confirm before you buy.
Quick answers
- Free to start?Yes
- Open source?No
- Where you use itWeb app, Python library, OpenTelemetry
- Closest alternativeLiteLLM · all alternatives
Get started with Phoenix
| PyPI | pip install arize-phoenix |
|---|
These commands use the packages tracked on this page. The vendor may recommend a different installer; see the official documentation.
Phoenix works with
Phoenix alternatives
Best Phoenix alternatives compared · All agent tooling for cost, context and memory
| # | Agent | Gid Score | Downloads 7d | 7d | 30d | VS Code installs | Stars | Latest release | Price | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 |
|
73 | 23.1M | up 1.8% | — | — | 60.4K+60/day | 1.104.2yesterday | Free (OSS) | ||
| 14 |
|
63 | 2.7M | down 3.5% | down 5.6% | — | 190K+368/day | 2.11.03mo ago | Free + $16/mo | ||
| 15 |
|
63 | 8.7M | up 11.2% | down 1.9% | — | 35.5K+39/day | 4.55.0yesterday | Free (OSS) | ||
| 21 |
|
60 | 3.7M | up 2.6% | up 13.7% | — | 14.2K+24/day | 2.53.13d ago | Free + $150/mo | ||
| 34 |
|
55 | 1.7M | up 8.4% | up 33.7% | — | 30.5K+16/day | 0.13.010d ago | Free + $29/mo | ||
| 35 |
|
55 | 351K | up 5.9% | down 6.5% | — | 85K+61/day | 0.9.416d ago | Free (OSS) | ||
| No agents match that filter. | |||||||||||
Phoenix news
-
Phoenix 3.9.1 released
evals: retry RateLimitError in SyncExecutor instead of failing the whole run (#16376) (56e9a89)
-
25 agents added to AgentGid
LiteLLM, Firecrawl, Langfuse, E2B, Composio, Crawl4AI, Mem0, Repomix, CodeGPT, Context7, Phoenix, Headroom and 13 more
-
Phoenix 20.19.0 released
datagen: send each recorded application to its own project (#16682) (d99a4db); tracing: add the DECISION span kind across the platform (#16657) (43d1a54); honor external resources flag for WASM and UI (#16639) (7a71a21)
What changed: recent Phoenix releases
- datagen: send each recorded application to its own project (#16682) (d99a4db)
- tracing: add the DECISION span kind across the platform (#16657) (43d1a54)
- honor external resources flag for WASM and UI (#16639) (7a71a21)
- remove legacy evaluation cookbooks (#16651) (4506880)
- Updated dependencies [f8ae2fc]
- @arizeai/phoenix-client@7.16.0
- Updated dependencies [f8ae2fc]
- @arizeai/phoenix-client@7.16.0
- f8ae2fc: Add listProjectAnnotationConfigs, assignProjectAnnotationConfig, unassignProjectAnnotationConfig, and setProjectAnnotationConfigs helpers to the projects subpath for managing which…
- tracing: show eval results in the trace tree (#16619) (2516fdb)
Phoenix popularity and usage data
Phoenix was downloaded 160K times from PyPI in the week ending Oct 6, 2026, up 12.3% on the week before. Its download count moved to a different level overnight on Aug 25, 2026. A jump like that comes from automated installs switching on or off or from a change in how the registry counts, so growth rates across that date are not shown. The GitHub repository has 11.8K stars, 399 of them added in the last 30 days. The latest stable release is 3.9.1, published Oct 8, 2026; there were 36 stable releases in the past 30 days.
Download the raw daily series: arize-phoenix.csv
Gid Score breakdown
Adoption49
Community45
Attention—
Momentum52
Each component is scored 0 to 100 from public signals; a dash means no data for it. Methodology.
Phoenix FAQ
How much does Phoenix cost?
Phoenix is free to self-host. Arize's hosted AX platform has a free tier and AX Pro at $50 a month.
Is Phoenix open source?
No. Phoenix is a proprietary product from Arize AI.
How popular is Phoenix?
Phoenix was downloaded 160K times from PyPI in the week ending Oct 6, 2026, up 12.3% on the week before. Its download count moved to a different level overnight on Aug 25, 2026. A jump like that comes from automated installs switching on or off or from a change in how the registry counts, so growth rates across that date are not shown. The GitHub repository has 11.8K stars, 399 of them added in the last 30 days.
What is the latest version of Phoenix?
The latest stable release we track is 3.9.1, published on Oct 8, 2026.
What are the alternatives to Phoenix?
The closest alternatives in the same category by Gid Score are LiteLLM, Firecrawl, Langfuse, E2B.
For the makers of Phoenix badges, corrections
Add a live badge to your README or site:
[](https://agentgid.com/agents/arize-phoenix/)[](https://agentgid.com/agents/arize-phoenix/)Something wrong or outdated on this page? Send a correction with a link to the official source. More for makers.
Where these numbers come from
PyPI: arize-phoenix. GitHub: Arize-ai/phoenix. See data sources for how each one is collected.
Product facts and pricing were checked against: github.com, phoenix.arize.com, arize.com.