Start natural voice conversations anytime with GPT-LiveTrack the latest safety rules for bigger modelsChatGPT Voice feels more natural in live conversationTranslate naturally during calls, meetings, and travelEasily automate multi-step daily tasks at lower costMake Claude easier to deploy through AWSClaude Fable 5 is usable again after the pauseKeep research tools and analysis in one placeKeep research tools in one place and move fasterDelegate more everyday coding work to ClaudeMeasure how well AI agents handle ambiguous biology research judgmentsClaude Sonnet 5 is built for heavier coding and work tasksHP partnership makes enterprise rollout easierTag Claude in Slack to delegate tasks with your whole teamHand Slack tasks to Claude more easilyConfidential AI gets stronger for sensitive workloadsHelps defenders validate and fix vulnerabilitiesGemini API key management is moving to safer auth keysGoogle Home Speaker makes home control feel naturalClaude expands more easily into Korean businesses and researchStart natural voice conversations anytime with GPT-LiveTrack the latest safety rules for bigger modelsChatGPT Voice feels more natural in live conversationTranslate naturally during calls, meetings, and travelEasily automate multi-step daily tasks at lower costMake Claude easier to deploy through AWSClaude Fable 5 is usable again after the pauseKeep research tools and analysis in one placeKeep research tools in one place and move fasterDelegate more everyday coding work to ClaudeMeasure how well AI agents handle ambiguous biology research judgmentsClaude Sonnet 5 is built for heavier coding and work tasksHP partnership makes enterprise rollout easierTag Claude in Slack to delegate tasks with your whole teamHand Slack tasks to Claude more easilyConfidential AI gets stronger for sensitive workloadsHelps defenders validate and fix vulnerabilitiesGemini API key management is moving to safer auth keysGoogle Home Speaker makes home control feel naturalClaude expands more easily into Korean businesses and research
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GlossaryAI term

Pretraining

事前学習

Definition

Pretraining is a large-scale training stage where a model learns general language patterns and knowledge from massive unlabeled text. It forms the foundation for later adaptation methods.

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