FoundationModels' 4,096-token context window can be tough to manage. iOS 26.4 introduces new APIs to measure instructions, prompts, and full transcripts - finally giving us proactive token management instead of just reacting to errors when the limit is hit.

🔗: https://artemnovichkov.com/blog/tracking-token-usage-in-foundation-models by Artem Novichkov

#Swift #FoundationModels #iOSDev