Zyphra
PrivateLast Round
Series B
May 19, 2026
Est. Valuation
$5B
Total Funding Raised
$111.4M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Zyphra operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Series A round in October 2025.
Zyphra is an artificial intelligence company that develops open-weight foundation models and provides a full-stack AI cloud platform optimized for long-horizon agentic workloads.
Sector
AI, Data & Cloud Infrastructure
Verticals
Cloud Infrastructure, AI Training Infrastructure, NLP & Conversational AI
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS
AI Layer
Foundation
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Zyphra Comparables
Compare Zyphra with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Together AI | 84% | |
| Deep Infra Inc. | 81% | |
| Fireworks AI | 80% |
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Zyphra Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | May 19, 2026 | ||||
| Series A | Oct 1, 2025 | ||||
| Seed | Sep 9, 2024 |
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Key People
Founding team and executive leadership
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Zyphra Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Future Ventures | Series A, Seed |
| Metaplanet Holdings | Seed |
| AMD Ventures | Series A |
| Intel Capital | Series A |
| Bison Ventures | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 19, 2026
$500M round led by Advanced Micro Devices.
- Apr 1, 2026
Grew 20% QoQ, from 54 to 65 employees.
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Recent news
Latest coverage and updates
- launchesNov 10, 2026
Zyphra Technologies Inc. releases ZONOS3-Mini, an open-source text-to-speech model for real-time use on local devices that supports zero-shot voice cloning and word-level delivery control, on Nov 10th '26.
- launchesNov 7, 2026
Zyphra Technologies Inc. releases ZYFA, open-source FP8 and BF16 prefill attention kernels for AMD Instinct MI355X hardware, with FP8 kernels running up to 1.76x faster than AMD’s AITER on real model activations.
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Zyphra Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Zyphra's valuation, stock price, and market status.
Is Zyphra a public or private company?
Zyphra is a private company.
What is the current stock price of Zyphra?
Zyphra is a private company, so its shares have no public market price. Caplight tracks Zyphra's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Zyphra worth (valuation)?
Zyphra's valuation is estimated at $5.0B based on funding round data.
Can I buy Zyphra stock?
Zyphra shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Zyphra's last funding round?
Zyphra's most recent funding round was Series B on May 19, 2026.
Who are the main investors in Zyphra?
Key investors in Zyphra include Future Ventures, Metaplanet Holdings, AMD Ventures, Intel Capital, Bison Ventures.
Will Zyphra IPO soon?
No public IPO plans have been announced for Zyphra.
How can I track Zyphra secondary market activity?
Caplight tracks bids, offers, and trades in Zyphra's shares on secondary markets.