QubitLogic

Quantum computing,
decoded.

We make quantum technology understandable - with visual lessons, monitored industry news, and reality-check analysis.

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Qubit state |0⟩ + |1⟩ / √2
Superposition until measured

Learn quantum visually

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01

What is a qubit?

 02

Superposition explained

 03

What is entanglement?

 04

Quantum vs. classical

Today's Quantum Radar

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Abstract illustration for: Sharp State-Independent Uncertainty Relations for Multipartite systems Research Sharp State-Independent Uncertainty Relations for Multipartite systems Understanding the constraints on the fluctuations of incompatible observables in quantum systems is crucial for advancements in quantum computing and... Why this matters → Abstract illustration for: On the Four-Loop Higgs-Gluon Form Factor in Nonlocal Quantum Field Theory Research On the Four-Loop Higgs-Gluon Form Factor in Nonlocal Quantum Field Theory Understanding gluon-fusion Higgs production is essential for particle physics, as it plays a crucial role in fundamental theories. Why this matters → Abstract illustration for: Fast Algorithms for Stoquastic Spin Systems Research Fast Algorithms for Stoquastic Spin Systems We establish a general framework for developing fast sampling and counting algorithms for stoquastic spin systems at high temperature. Why this matters →

Quantum Roadmap Tracker

2025 2026 2027 2028–29 2030+
Quantinuum
Helios: 48 logical qubits, 99.921% two-qubit fidelity Sol: ~100 logical qubits, five-nines fidelity Apollo: hundreds of logical qubits, fault-tolerant
IonQ
Tempo reaches #AQ 64 on 100 qubits Tempo shipments, 256-qubit demonstration 2M physical, 80,000 logical qubits (2030)
IBM
Kookaburra: qLDPC memory paired with a logic unit Cockatoo: entanglement between modules Starling: 200 logical qubits, 100 million gates (2029) Blue Jay: ~2,000 logical qubits (2033)

Vendor roadmaps as published. Last verified 25 Aug 2026.

Reality Check

We cut through the hype and analyze what's real, what's coming, and what still needs to improve.

Physical qubits
1,121
IBM Condor, largest superconducting chip
Logical qubits
96
QuEra, verified in Nature (2026)
Error rate
7.9 × 10⁻⁴
Best commercial two-qubit gate (Quantinuum Helios)
To break RSA-2048
< 1M
Physical qubits, estimated (Gidney 2025) — a projection, not a demo
Real-world impact
Early stage
No commercial advantage independently confirmed