GPT-5.4 Deep Dive: The 272K Pricing Threshold, Optimal Performance Range, and Cost-Saving Strategies
Author's Note: Deep Dive into GPT-5.4's 1M Context Window, the 272K Token Pricing Breakpoint That More Than Doubles Costs, the 127K-272K Optimal Performance Zone, Complete Price Comparison, and Cost-Saving Strategies GPT-5.4 boasts a massive 1.05 million token context window, but here's something many developers miss: prices double after 272K tokens, and accuracy starts to drop….
