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AI Market · Forecast desk · Live · networking

40%

A second major networking or accelerator vendor (Broadcom, Marvell, Cisco, or Arista) publicly discloses production shipments of co-packaged-optics Ethernet or scale-up switches to a named hyperscaler by March 31, 2027.

Probability history

0%25%50%75%100%08-2209-06deadline

Called at 47% on August 22, 2026. Repriced 1 time; now 40%. 206 days to deadline.

How the number was built

Final method: stacked-fixed-weights (resolved n=57 < 80). Each rung is an independent estimate; the final is a stacked combination.

Stated (issue date)47%
Reference class (n=29)50%
Recalibrated52%
Feature model27%
Council38%
Final40%

Drivers

  • Reference class qtype:disclosure runs 0.50 (n=29) vs stated 0.47.
  • Hierarchical calibration moves stated 0.47 to 0.52 (lens networking, kappa_stated=24.0, kappa_lens=200.0).
  • Feature model at 0.27: conjuncts=1, named disclosure=True, horizon=221d.
  • Council of 5 at 0.38.

Cautions

  • all 5 votes came from one vendor (openai); extremization disabled, persona diversity only

Council

5 personas on one model (openai/gpt-5.6-sol); other vendors were unavailable this run, so read this as one model's persona-averaged view, aggregated by log odds mean without extremization.

43%

grid and power economist · openai/gpt-5.6-sol

The seven-month window is plausible because at least one major accelerator/networking vendor has publicly targeted CPO-based platforms around the 2026 product cycle. However, the rule requires commercial shipment by a second vendor, not announcement, qualification, sampling, or customer evaluation. CPO integration, optical-engine yield, thermal reliability, and switch-system qualification commonly delay volume availability. A vendor may also begin limited deliveries without issuing sufficiently explicit shipment disclosure. Strong networking demand and supplier growth improve incentives but do not establish production readiness. Given the strict documentation standard and the forecaster’s weak networking reference-class rate, I place this below even odds.

38%

semiconductor supply chain analyst · openai/gpt-5.6-sol

The seven-month window is tight for a second vendor under a shipment-only rule. CPO programs often spend multiple quarters between sampling, qualification, production announcements, and revenue shipments because optical attach, thermal reliability, yield, and system serviceability remain gating issues. Strong networking demand and rapid revenue growth at relevant suppliers support continued investment, but do not establish commercial shipment readiness. The requirement for an explicit vendor disclosure, with evaluation units excluded and ambiguity resolved against the forecast, materially lowers the probability versus general roadmap execution. The networking reference-class rate also favors below-even odds.

41%

capital markets credit analyst · openai/gpt-5.6-sol

CPO has repeatedly moved from demonstrations and qualification into delayed production ramps. The remaining 206 days are enough for a previously announced platform to reach revenue shipment, but not much time to resolve packaging, yield, qualification, and customer deployment issues. The rule is demanding: a second major vendor must explicitly disclose commercial shipment; availability dates, demonstrations, design wins, and sampling do not count. Strong networking demand and vendor investment support the technology, but the networking reference rate and ambiguity policy favor a below-even estimate.

27%

superforecaster statistician · openai/gpt-5.6-sol

I use the networking-ledger base rate of 0.318. I adjust downward because resolution requires both genuine commercial shipment—not sampling/evaluation—and a qualifying vendor disclosure within 206 days. “Second” and “major” add qualification risk, while ambiguity resolves against the forecast. Strong networking and semiconductor revenue growth supports demand but is not specific evidence of production CPO shipments. The forecaster’s 0.4–0.5 calibration bin has only one observation, so it provides no credible upward correction; broader results show some overconfidence.

42%

geopolitics regulation analyst · openai/gpt-5.6-sol

Several major vendors have public CPO roadmaps, and strong networking revenue growth supports commercialization incentives. However, only 206 days remain, and the rule requires a second vendor’s explicit commercial-shipment disclosure; product announcements, availability targets, customer trials, and evaluation units do not qualify. CPO ramps have substantial packaging, yield, thermal, fiber-attach, and system-qualification risk, making roadmap slippage common. The networking reference-class rate of 0.318 and ambiguity-against treatment weigh against a near-even forecast, although having multiple plausible vendors raises the estimate above that base rate.