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GPT-5.4 Retrieval Accuracy Declines with Increased Token Length

GPT-5.4 shows a significant drop in retrieval accuracy from 79.3% at 256K tokens to 36.6% at 1M tokens, raising concerns for large project users. Other models like Opus 4.6 maintain better performance, while pricing structures vary significantly.

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GPT-5.4 shows a significant drop in retrieval accuracy from 79.3% at 256K tokens to 36.6% at 1M tokens, raising concerns for large project users. Other models like Opus 4.6 maintain better performance, while pricing structures vary significantly.

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