StarRocks (CelerData)
Real-time analytics database (StarRocks), now rebranded PhoenixAI for AI agent queries.
PhoenixAI has real engineering and real users, but its underlying database is open source and forkable, and every major warehouse vendor is building the same agent-query features into contracts they already hold.
StarRocks (owned by PhoenixAI, formerly CelerData) is a database system that lets companies query data extremely fast and just recently added artificial intelligence features to answer business questions automatically. The company has real users in production and a large open-source community, but the core technology is open-source and free to copy, so Snowflake, Databricks, Google BigQuery, and others can easily build similar features into their own products. The biggest question is whether PhoenixAI can turn its free, community-driven database into a paying business before the much-larger competitors add the same AI features to their existing products that customers already use.
PhoenixAI discloses paying enterprise ARR or customer count beyond Demandbase within a year. Would show the agentic pivot converting open-source usage into real revenue.
PhoenixAI headcount roughly doubles or major GTM hires are announced within two quarters. Would show the $80M raise is being deployed to build sales capacity, not just engineering.
- $80M Series B led by Sky9 Capital
- 72 employees, up from 61 in Sept 2024
- 300+ companies run StarRocks in production (vendor claim)
- Apache-licensed StarRocks core can be forked by any competitor without paying PhoenixAI's commercial layer.
- Snowflake, Databricks, or BigQuery could bundle agent-serving query features into existing enterprise contracts.
- Thin estimated revenue and ~72 headcount relative to fresh $80M capital creates execution and scale-up risk.
- Rebrand from CelerData to PhoenixAI is only weeks old, adding identity and go-to-market confusion risk.
- China-origin technical lineage could draw procurement or geopolitical scrutiny amid broader US tech tensions.
| Rival | Direction | Evidence |
|---|---|---|
| ClickHouse Cloud | losing to | Cited as most broadly adopted real-time OLAP engine with Cloudflare, Uber, eBay, Discord, GitHub as of July 2026 |
| Snowflake | contesting | Shipping Hybrid Tables/Unistore real-time features into existing enterprise contracts as of June 2026 |
| Databricks | contesting | Actively iterating lakehouse/real-time query features per 2026 comparison roundups |
| Apache Doris (SelectDB) | contesting | Direct sibling fork commercialized as peer product as of June 2026 |
| Google BigQuery | contesting | Named among incumbents that could bundle equivalent real-time query tiers into contracts |
| Tinybird | gaining on | Frequently listed as a StarRocks alternative for real-time analytics as of May 2026 |
- Is CelerData (PhoenixAI) profitable in 2026?
- No profitability data is public. The company has roughly 72 employees as of June 2026 and just raised an $80M Series B on June 11, 2026, led by Sky9 Capital, suggesting it is still in early-stage commercial scale-up rather than generating sustainable profit.
- Who owns PhoenixAI, the company formerly known as CelerData?
- PhoenixAI is privately held and venture-backed, not publicly traded. It closed an $80M Series B on June 11, 2026, led by Sky9 Capital with participation from Atypical Ventures and Olive Technology Ventures; founders James Li, Andy Ye, and Alvin Zhao retain leadership roles.
- Could AI replace PhoenixAI's database product?
- Unlikely directly. PhoenixAI's May 20, 2026 relaunch repositions its StarRocks-based engine to serve AI agents' unpredictable LLM-generated SQL queries, treating agentic AI as new demand rather than a substitute. The bigger risk is Snowflake, Databricks, or BigQuery bundling equivalent agent-query features into existing contracts.
- Is StarRocks open source, and can competitors copy it?
- Yes. StarRocks is an Apache-licensed, MPP vectorized SQL database forked from Apache Doris in 2020 and donated to the Linux Foundation in February 2023. Because it's Apache-licensed and Linux Foundation-governed, any competitor could fork the codebase without paying PhoenixAI's commercial tax.
- Who is PhoenixAI's biggest competitor?
- PhoenixAI competes with ClickHouse Cloud, Apache Doris (via SelectDB), Apache Pinot/Druid, and Tinybird directly, while facing potential bundling threats from Snowflake, Databricks, Google BigQuery, and Amazon Redshift, all of which were actively shipping real-time query features as of mid-2026.
- What happened to CelerData in 2026?
- CelerData rebranded to PhoenixAI on May 20, 2026, moved headquarters to Menlo Park, California, named former Snowflake GTM executive Rick Underwood as President, and repositioned as 'the Agentic AI Database' before closing an $80M Series B on June 11, 2026.
- 2026-06-15PhoenixAI profiled in Blocks and Files; company claims 300+ production users worldwide
- 2026-06-11PhoenixAI raises $80M Series B led by Sky9 Capital
- 2026-06-10Demandbase publishes case study on migrating from Elasticsearch to CelerData/StarRocks
- 2026-05-20CelerData rebrands to PhoenixAI, names Rick Underwood President, HQ moves to Menlo Park
- 2023-02-13StarRocks project donated to the Linux Foundation
- 2022-08-31CelerData incorporated in San Mateo, CA by James Li, Andy Ye, and Alvin Zhao
- PhoenixAI leaves legacy analytics ashes behind to build AI agent database (2026-06-15)
- StarRocks Announces Incorporation of CelerData (2022-08-31)
- StarRocks analytical DB heads to Linux Foundation (2023-02-13)
- PhoenixAI Launches as the Agentic AI Database and Names Rick Underwood President (2026-05-20)
- PhoenixAI Raises $80M Series B Led by Sky9 Capital (2026-06-11)
- CelerData Revenue and Competitors
- Elasticsearch to Celerdata Migration for B2B Data (2026-06-10)
- Headcount, Funding & Open Jobs (PhoenixAI/CelerData) (2026-06-21)
- Understand your billing (2025-06-30)
- Query Feedback
- Best columnar databases in 2026 (2026-07-01)
- Best Real-time Analytics Platforms in 2026 (2026-06-03)