Qedma
Noise-learning quantum-error-mitigation software for noisy gate-model quantum processors. Flagship product QESEM (Quantum Error Suppression and Error Mitigation) characterises a device's noise, suppresses some error classes during execution, and corrects the residual bias in post-processing; delivered as an IBM Qiskit Function and demonstrated on IBM Eagle and Heron devices. Founded in Tel Aviv in 2020 by Asif Sinay (CEO), Dorit Aharonov (Hebrew University), and Netanel Lindner (Technion). Closed a USD 26M Series A in July 2025 led by Glilot+ with IBM, TPY Capital, and Korea Investment Partners participating.
Timeline
Current flagship
QESEM — characterisation-based error-mitigation stack delivered as an IBM Qiskit Function; demonstrated on IBM Eagle (127-qubit) and Heron (133-qubit)
Milestones
- 2025-08Aharonov et al. arXiv 2508.10997 — "Reliable high-accuracy error mitigation for utility-scale quantum circuits" formalises the QESEM framework
- 2025-07$26M Series A led by Glilot+ with participation from IBM, TPY Capital, and Korea Investment Partners
- 2024-09QESEM released as an IBM Qiskit Function (premium tier of IBM Quantum Platform)
- 2024Commercial agreement with IBM to provide error-mitigation software to IBM Quantum users
- 2020$4.7M seed round led by TPY Capital; company incorporated by Aharonov, Lindner, and Sinay
Roadmap
Capability details
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milestones.0.headline— Vendor and press repeat a "1000x larger circuit volume" claim; the figure appears in Qedma marketing and the arXiv 2508.10997 abstract but is workload- and device-dependent and not yet peer-reviewed -
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founded— 2020 widely reported in press coverage of the 2025 Series A; not cross-checked against Israeli companies-registry filing
People
References
- preprint https://arxiv.org/abs/2508.10997 Aharonov et al. 2025 — "Reliable high-accuracy error mitigation for utility-scale quantum circuits"; the QESEM methodology paper
- preprint https://arxiv.org/abs/2503.17243 Aharonov et al. 2025 — "On the Importance of Error Mitigation for Quantum Computation"; position paper on EM as a near-term enabler
- blog https://quantum.cloud.ibm.com/docs/en/guides/qedma-qesem IBM Quantum documentation for the QESEM Qiskit Function
- conf-talk https://www.cda.cit.tum.de/images/mqsf2025/talks/11_Netanel_Lindner_Qedma.pdf Lindner, MQSF 2025 — "QESEM Reliable, Accurate Error Mitigation for Large-Scale Quantum Circuits"
- press https://www.prnewswire.com/news-releases/qedma-raises-26m-with-participation-from-ibm-to-tackle-quantum-computing-errors-and-accelerate-pace-to-quantum-advantage-302497701.html Series A announcement (July 2025)