History teaches us that there were two large AI Winters in the past. One starting in the mid 1970s and another in the late 1980’s There were very clear reasons for the last two AI Winters, but most of the technical and cost issues are gone. The wild card is how humans accept AI this time around. My bet is against another brutal winter. This does not mean there won’t be cold snaps, but a 15-20 year freeze out doesn’t seem likely now.
The First AI Winter:
It was caused by a couple of major factors. The first and foremost was the lack of computer power. The examples that were put forward were “toy” solutions that really did not appeal to the investors at all. This set off a period of infighting about Natural Language Processing (NLP) in the AI community which scared off the investors for a long time.
The Second AI Winter:

























