---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-068842"
form_type: "8-K"
ticker: "RGTI"
cik: "0001838359"
company_name: "Rigetti Computing, Inc."
filed_at: "2025-07-18T23:59:59+00:00"
generated_at: "2026-05-18T05:49:10.251560+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Rigetti achieves 99.5% median two-qubit gate fidelity on modular 36-qubit system

## Summary
- 99.5% median two-qubit gate fidelity on modular 36-qubit system (four tiled 9-qubit chips).
- 2x reduction in median two-qubit gate error rate vs prior best on 84-qubit Ankaa-3 system.
- Uses CZ gates, equivalent computational power to iSWAP gates.
- Mid-year performance milestone announced on July 16, 2025.

## SEC filing metadata
- accession: 0001104659-25-068842
- form_type: 8-K
- ticker: RGTI
- cik: 0001838359
- company_name: Rigetti Computing, Inc.
- filed_at: 2025-07-18T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1838359/000110465925068842/0001104659-25-068842-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1838359/000110465925068842/tm2521200d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-068842
- JSON: https://secwatch.observer/filing/0001104659-25-068842.json
- Plain text: https://secwatch.observer/filing/0001104659-25-068842.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.