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AI winters history

Snapshots are retained. Added and removed counts compare normalized words with the preceding revision.

r5Seed corpus update
+38 / −24 words

As of 2026-11-04

AI history includes periods when funding and confidence contracted after ambitious expectations went unmet. The phrase groups distinct episodes, including a 1970s downturn after reports in the UK and US and a new winter that began in the late 1980s.

Revision snapshot

Overview. AI history includes periods when funding and confidence contracted after ambitious expectations went unmet.

Context. The phrase groups distinct episodes, including a 1970s downturn after reports in the UK and US and a new winter that began in the late 1980s.

r4Seed corpus update
+0 / −71 words

As of 2026-07-13

AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet. The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

Revision snapshot

Overview. AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet.

Context. The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

r3Seed corpus update
+49 / −79 words

As of 2026-07-13

AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet. The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

Revision snapshot

Overview. AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet.

Context. The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

How to use this historical period entry for AI winters. Treat the period label as a map into specific papers, institutions, methods, and dates rather than as a single-cause story about the field.

Evidence note. This History historical period record for AI winters is presented as an as-of-2026-07-13 orientation. The claim ledger identifies the source supporting its core statements; follow that record for the publication's full context and any later changes.

r2Seed corpus update
+1 / −1 words

As of 2026-07-13

AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet. The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

Revision snapshot

AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet.

The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

Why it matters: AI winters is best understood as part of a system, not as a label in isolation. The practical questions are what inputs it accepts, what outputs it produces, which evidence supports its capabilities, what constraints surround deployment, and how those details change over time. The Compendium separates the documented facts above from interpretation and records an as-of date so readers can re-check the primary source.

Reading note: this is original explanatory writing. It links to the cited source instead of reproducing protected text. Product availability, model names, pricing, and policies can change; follow the source for the provider's current position.

r1Seed corpus update

As of 2026-07-13

AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet. The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

Revision snapshot

AI history includes periods when funding and public confidence contracted after ambitious expectations went unmet.

The phrase groups distinct episodes, so causal claims should name the country, institution, and time period being discussed.

Why it matters: AI winters is best understood as part of a system, not as a label in isolation. The practical questions are what inputs it accepts, what outputs it produces, which evidence supports its capabilities, what constraints surround deployment, and how those details change over time. The Atlas separates the documented facts above from interpretation and records an as-of date so readers can re-check the primary source.

Reading note: this is original explanatory writing. It links to the cited source instead of reproducing protected text. Product availability, model names, pricing, and policies can change; follow the source for the provider's current position.