Forum question: what single development in quantum computing from the last six months has most changed your view of the timeline?

[RomanReigns]

We have had an extraordinary six months in quantum. Google Willow below-threshold error correction in December 2024 and Q-CTRL 3,000x speedup in May. The Oratomic 10,000 qubit ECC estimate and the Google and GQI timeline revisions. The CHIPS Act 2 billion investment and the IBM Anderon foundry. JUPITER exascale 50-qubit simulation record. The ETH Zurich neutral atom swap gate results.

For people who have been following this field seriously, which single development has actually shifted your mental model of how long this takes and what changes first?

[Inland Sienna]

The Oratomic 10,000 qubit figure from March. Not because I think it is the most likely estimate but because it is a credible figure from a serious research group and it compressed my worst-case timeline from 15 years to potentially 5

[SerialScroller]

The CHIPS Act taking equity stakes rather than just issuing grants. That structural change signals that the US government is treating quantum like a national security infrastructure investment rather than a research programme

[NeutrinoX]

Q-CTRL and IBM achieving 3,000x speedup on a scientifically relevant problem this month. Practical advantage on real physics before fault tolerance exists is the category of result I thought was further away

[Harbour]

Google Willow's below-threshold result in December is still the one I keep returning to. 30 years of theoretical work confirmed experimentally. The physics works. The engineering is the remaining challenge and engineering problems have solutions

[Bright Hermit]

Honestly none of them individually. The pattern of all of them together in six months is what has shifted me. The pace of progress across hardware, software, algorithms, and investment simultaneously is what makes this feel different from previous quantum springs

[Jonathan_Repetto]

The AISI finding that AI offensive capability doubles every four months combined with the Oratomic AI-assisted algorithm discovery is what shifted me most. The AI-quantum feedback loop accelerating both fields is the thing that was not in my model six months ago

[Oscar_38]

The EuroHPC fifth quantum computer inaugurated this week. Not a record result but evidence that Europe has deployed quantum infrastructure at national scale. Geopolitical commitment at that level changes what the field looks like in five years