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46%

DeepSeek publishes the V4-Pro-0813 build weights to Hugging Face by September 30, 2026.

Probability history

0%25%50%75%100%08-1509-06deadline

Called at 64% on August 15, 2026. Repriced 1 time; now 46%. 24 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)64%
Reference class (n=8)39%
Recalibrated54%
Feature model43%
Council43%
Final46%

Drivers

  • Reference class qtype:timing runs 0.39 (n=8) vs stated 0.64.
  • Hierarchical calibration moves stated 0.64 to 0.54 (lens software, kappa_stated=24.0, kappa_lens=200.0).
  • Feature model at 0.43: conjuncts=1, named disclosure=False, horizon=46d.
  • Council of 5 at 0.43.

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.

34%

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

DeepSeek remains active on Hugging Face, with two August releases and an August 31 experimental V4-related upload, so another near-term release is plausible. However, the digest does not identify V4-Pro-0813, despite the build label suggesting August 13 and more than three weeks having elapsed. Exact-build weight publication is stricter than an API launch, announcement, derivative checkpoint, or similarly named V4 release. Only 24 days remain, and the timing/software reference classes are below the forecaster’s 0.64. The hard commit-date rule and adverse ambiguity policy further reduce the probability.

46%

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

DeepSeek remains active on Hugging Face, with two August releases and a V4-related experimental model posted August 31, so another near-term V4 upload is plausible. However, V4-Pro-0813 is still absent more than three weeks after the apparent build date, leaving only 24 days. Exact naming and public weight files are required; an announcement, API release, renamed build, or late commit would fail. The forecaster’s software and timing reference classes also resolve below 0.5, and its 0.60–0.69 forecasts have historically realized below stated confidence.

42%

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

DeepSeek is an active Hugging Face publisher, with 21 repositories added from June through August and a V4-family experimental release on August 31. That makes another near-term V4 upload plausible. However, the exact V4-Pro-0813 weights were still absent by September 6, despite the build name implying an August 13 vintage. Only 24 days remain, and exact-name plus commit-date requirements eliminate credit for related V4 releases. Timing-question and software reference rates are also below the forecaster’s 0.64.

46%

superforecaster statistician · openai/gpt-5.6-sol

I use the timing-question base rate of 0.389, cross-checked against the software rate of 0.452. DeepSeek’s recent Hugging Face activity and an adjacent V4-family upload on August 31 raise the estimate. However, success requires the exact V4-Pro-0813 weights—not merely a related model—to receive a public commit within 24 days; ambiguity counts as failure. The forecaster’s 0.60–0.69 band has realized 0.556 versus 0.663 stated, indicating overconfidence. No digest evidence confirms this build’s release or an announced date, so 0.64 is too high.

46%

geopolitics regulation analyst · openai/gpt-5.6-sol

The digest shows DeepSeek actively publishing on Hugging Face, including two August releases and a V4-family experimental model on August 31. That makes another near-term upload plausible. However, the exact V4-Pro-0813 weights were still absent as of September 6, despite the build name implying an August 13 vintage. Only 24 days remain, and the rule requires the precisely named build with a qualifying commit—not merely another V4 variant, model card, or API release. Timing questions in the ledger also have a low 0.389 base rate. These factors put the event below even odds and below the forecaster’s 0.64.

Evidence the engine used

direct · undated

deepseek-ai (DeepSeek)

Cited by grid-and-power-economist: DeepSeek remains active on Hugging Face, with two August releases and an August 31 experimental V4-related upload, so another near-term release is plausible. However, the digest does not identify V4-Pro-0813, despite the build label suggesting August 13 and more th

direct · undated

Hugging Face – The AI community building the future.

Cited by superforecaster-statistician: I use the timing-question base rate of 0.389, cross-checked against the software rate of 0.452. DeepSeek’s recent Hugging Face activity and an adjacent V4-family upload on August 31 raise the estimate. However, success requires the exact V4-Pro-0813 weights—not