Poolside
Poolside builds foundation AI models focused on software coding for enterprises and defense.
On the record
Checkpoint: Whether the $2B Nvidia-led round closes and a new compute partner replaces CoreWeave
The call
Poolside is racing to prove its coding models and defense contracts matter before its cash and compute plans run out.
Poolside is a startup building artificial intelligence models designed to help write computer code. The company claims it can offer special versions that work inside secure networks (for government and defense customers) and that it controls its own computing power, but both of these advantages are shaky right now. Bigger competitors like OpenAI, Google, and Anthropic are already offering similar secure versions, their general-purpose AI systems are becoming very good at coding anyway, and Poolside's promised funding round has stalled since late 2025. The one thing that could change everything is whether that $2 billion investment actually comes through by late summer 2026, because the company burns through cash quickly and cannot keep training competitive models without it.
Why
01
AI pressure: OpenAI GPT-5, Anthropic Claude Code, Google Gemini. General frontier models now handle coding tasks well, so a coding-only lab has less room to stand apart. Could AI do the core job? Yes, likely.
02
Bigger players: OpenAI, Anthropic, Google, Microsoft/GitHub. These labs already ship air-gapped and GovCloud coding tools, chasing the same regulated customers Poolside targets. Could a giant copy it? Probably.
03
What protects it. Deep per-customer fine-tuning inside air-gapped VPCs plus cleared staff for defense deals rivals haven't fully matched yet.
What would change this call
Whether Poolside's $2B Nvidia-led round closes by Q3 2026. Would show if Poolside can fund training to stay competitive.
Whether a new large-scale compute partner replaces the collapsed CoreWeave deal. Would show if Poolside's compute-integration moat is stabilizing or eroding.
Whether Anthropic or OpenAI announces a major on-prem/GovCloud defense contract Poolside was pursuing. Would show if frontier labs are breaching Poolside's regulated-sector wedge.
Whether a new large-scale compute partner replaces the collapsed CoreWeave deal. Would show if Poolside's compute-integration moat is stabilizing or eroding.
Whether Anthropic or OpenAI announces a major on-prem/GovCloud defense contract Poolside was pursuing. Would show if frontier labs are breaching Poolside's regulated-sector wedge.
Key numbers
- $2B round at $12-14B valuation still unclosed
- CoreWeave compute deal collapsed
- About 150-160 employees
Named risks
- Reported $2B Nvidia-led round remained unclosed as of April 14, 2026.
- Collapse of CoreWeave anchor deal undermines vertical-integration compute strategy.
- No disclosed revenue, ARR, or named customer contracts as of 2026.
- Frontier labs OpenAI, Anthropic, Google actively building on-prem/GovCloud offerings eroding regulated-sector moat.
- Laguna model benchmarks unverified independently versus Claude Code, GPT-5, Gemini.
Rivals, as read in July 2026
| Rival | Direction | Evidence |
|---|---|---|
| OpenAI | losing to | OpenAI acquired coding rival Windsurf for ~$3B in May 2025, absorbing market space |
| Anthropic | contesting | Claude Code and GovCloud offerings compete directly for Poolside's regulated defense niche as of 2026 |
| Cursor (Anysphere) | gaining on | Cursor reached ~$300M ARR and $9B valuation by May 2025 while Poolside discloses no revenue |
| contesting | In talks to become Poolside's new compute partner after CoreWeave deal collapsed, April 2026 | |
| CoreWeave | losing to | Anchor compute deal for 2GW Texas campus ended around April 2, 2026 |
Questions people ask
- Is Poolside profitable in 2026?
- No revenue figures have been disclosed. Poolside sells to enterprise and government clients under NDA-style deals rather than a public product, so profitability cannot be verified. Its first public model, Laguna, only shipped April 28, 2026, after three years of enterprise-only stealth.
- Could AI from Poolside replace software developers?
- Poolside builds foundation models specifically for agentic coding, aiming to automate developer work, but it competes directly with GPT-5-class, Claude, and Gemini models that are absorbing coding capability industry-wide. Its Laguna models launched April 28, 2026 with no independently verified benchmark lead.
- Who founded Poolside AI?
- Poolside was founded in early 2023 by Jason Warner, former GitHub CTO, and Eiso Kant, founder of source{d}. The company raised a $26M seed in May 2023, extended to $126M by August 2023.
- Who is Poolside's biggest competitor?
- Poolside faces frontier labs OpenAI, Anthropic, and Google, all building on-prem and GovCloud coding offerings, plus Cursor maker Anysphere, which had roughly $300M ARR and a $9B valuation by May 2025 versus Poolside's undisclosed revenue.
- Did Poolside's $2 billion funding round close?
- As of April 14, 2026, the reported $2B round at a $12-14B valuation, first disclosed October 15, 2025 with Nvidia committing $500M-$1B, had reportedly not closed, coinciding with the collapse of its CoreWeave compute deal.
- What happened to Poolside's CoreWeave data center deal?
- Poolside's 2GW Texas campus deal with CoreWeave, anchoring over 40,000 Nvidia GB300 GPUs and announced October 31, 2025, collapsed around April 2, 2026. Poolside is now seeking new partners, including Google, for a scaled-back roughly 400MW version.
Timeline
- 2026-05-04Launched Poolside Platform, an on-premises/air-gapped agent runtime for regulated enterprises
- 2026-04-28Released first public models Laguna XS.2 and Laguna M.1 as open-weight research preview
- 2026-04-14Report states the $2B Nvidia-led fundraise did not close amid CoreWeave collapse
- 2026-04-02CoreWeave anchor deal for 2GW Texas campus collapsed
- 2025-10-31Announced Project Horizon, a 2GW Texas campus anchored by CoreWeave with 40,000+ Nvidia GPUs
- 2025-10-15Reported raising up to $2B at a $12-14B valuation with Nvidia committing $500M-$1B
- 2024-12Announced AWS Bedrock/EC2 partnership for regulated industries
- 2024-10-02Closed $500M Series B at roughly $3B valuation led by Bain Capital Ventures
- 2023-08Seed round extended to $126M total, led by Xavier Niel, Felicis, Redpoint
- 2023-01Founded by Jason Warner and Eiso Kant
Revision history
20 July 2026
First assessed. Losing its protection. The text above is fixed as of this date and is not edited afterwards.
In the same band
Sources
- AI coding startup Poolside raises $500M from eBay, Nvidia, and others (2024-10-02)
- Poolside valuation, funding & news
- Poolside is Raising $2 Billion at Valuation of $14 Billion (2025-10-15)
- The Invisible Footprint (2026-04-14)
- Poolside AI (2026-06-27)
- Poolside 2026 Company Profile
- Poolside AI (2026-07-20)
- introducing the Poolside Platform, Poolside (2026-05-04)
- Introducing Laguna XS.2 and Laguna M.1, Poolside (2026-04-28)
- Nvidia Reportedly Investing up to $1B in AI Coding Startup Poolside (2025-10-31)
- Poolside seeks partners for data center in Texas after CoreWeave deal falls apart (2026-07-08)
- Report: Poolside Business Breakdown & Founding Story