Organization
SiFive
Chip designer · Santa Clara, California
SiFive designs and licenses processor IP based on the open RISC-V instruction set. Its AI-related products include the SiFive Intelligence family of cores with vector processing and, in the XM series, matrix processing, and it offers the BigSky development server for porting data center software to RISC-V.3457
Using this organization’s offerings
The detailed audience, self-hosting, pricing, and restrictions review has not yet been completed. Consult the sourced product records below and the publisher’s current terms. Missing detail means unknown, not unavailable.
Key facts
- Legal name
- SiFive, Inc.2
- Ownership (separate from openness)
- Privately held
Recorded classification; fact-level ownership verification pending.
- Legal form
- Unknown
- Founded
- Unknown
- Sectors
- Chips
What is and isn’t public
No openness summary has been written for this organization yet.
Products
No hosted model products are recorded for this organization.
Other products
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| SiFive Intelligence family (X100, X200, X300 series) (external site: sifive.com) | Hardware | Licensable RISC-V processor IP cores with vector units of different widths, for use as standalone vector CPUs or as control units for a customer's own accelerator through SiFive's coprocessor interfaces; SiFive pairs them with an AI/ML software stack based on IREE.46 | Oct 1, 2026 |
| SiFive Intelligence XM Series (external site: sifive.com) | Hardware | Licensable cluster IP that combines four X300-series cores with a matrix engine for AI workloads; the cluster can work alongside a RISC-V, x86, or Arm host CPU or without one.56 | Oct 1, 2026 |
| BigSky SF-2U870 datacenter development platform (external site: sifive.com) | Hardware | Integrated RISC-V development platform in a rackable 2U server form factor, intended for porting, tuning, and testing data center software on RISC-V.7 | Oct 1, 2026 |
Cataloged artifacts
No artifact records in this catalog list SiFive. That is not evidence that none exist — only that none have been reviewed here.
Notable documented facts
- In September 2025 SiFive launched its second-generation Intelligence family: two new cores (X160 Gen 2 and X180 Gen 2) and updated X280, X390, and XM cores.6
- Besides its U.S. offices, SiFive's locations page lists offices or subsidiaries in China, France, India, Japan, South Korea, Taiwan, and the United Kingdom.1
Open positions
Automated job coverage is not configured for this organization.
What this catalog does not know
- Founding date: not documented in the sources reviewed.
- Job listings: automated collection is not configured; only the official careers link is shown.
- Openness: no summary has been assessed for this organization.
- Open artifacts: none from this organization are in the catalog yet.
Have a primary source? How to report a correction.
U.S. eligibility
Eligible · basis: U.S. headquarters
SiFive's locations page lists its headquarters at 2625 Augustine Drive, Suite 201, Santa Clara, California, and its website terms of use (revised April 2026) name SiFive, Inc. with the same address for legal notices. The offices in Asia and Europe are listed alongside that U.S. headquarters.12
Sources
This listing is not an endorsement or a federal approval.