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#Token Costs

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Tech· 2026-04-23· 5min

GPT-5.5: The Benchmark Jump Isn't the Story. Tokens Per Task Is.

OpenAI shipped GPT-5.5 today. Everyone will quote the Terminal-Bench 2.0 jump from 75.1% to 82.7% — and miss the claim buried further down: significantly fewer tokens per Codex task, and state-of-the-art coding intelligence at half the cost of competitive frontier models. Here's which number to actually watch, and a decision rule for when to switch.

#openai#agentic-coding#gpt-55#model-releases