Who is leading in quantum computing?
Asked "Who is leading in quantum computing?", ChatGPT, Copilot, Gemini, Google AI Mode and Perplexity named 15 distinct names across 5 answers on September 8, 2026, and 7 of them in two or more answers, and all 5 engines agreed on IBM, the only name every engine named.
7 of 15 names confirmed · named in 2 or more of 5 answers · asked September 8, 2026 · 5 engines
There is no single leader in quantum computing, with different companies leading in different aspects such as hardware, software, ecosystem, and commercial traction. Companies like IBM, Google, Quantinuum, IonQ, and Microsoft are widely regarded as frontrunners in various areas.
- 1IBMnamed in 5 of 5 answers
- 2Googlenamed in 5 of 5 answers
- 3Quantinuumnamed in 5 of 5 answers
- 4IonQnamed in 5 of 5 answers
- 5Microsoftnamed in 5 of 5 answers
- 6Amazonnamed in 2 of 5 answers
- 7PsiQuantumnamed in 2 of 5 answers
- 8D-Wavenamed in 1 of 5 answersone answer
- 9Rigetti Computingnamed in 1 of 5 answersone answer
- 10Atom Computingnamed in 1 of 5 answersone answer
- 11AWSnamed in 1 of 5 answersone answer
- 12D-Wave Quantumnamed in 1 of 5 answersone answer
- 13QuEranamed in 1 of 5 answersone answer
- 14QuEra Computingnamed in 1 of 5 answersone answer
- 15Pasqalnamed in 1 of 5 answersone answer
The full measurement
- The position each of the 5 engines gave all 15 names.
- How many of the 5 answers named each of them.
- 37 sampled observations behind this ranking, and where the engines disagree.
- Fan-out — the query each engine actually searched.
- Every citation, and the sources nobody cited.