OpenAI just dropped GPT-5.5 on April 23, 2026 — API pricing literally doubled but it uses significantly fewer tokens to finish the same task. Net cost per workload: LOWER. Here’s the full breakdown in 40 seconds.
— Top 3 Upgrades —
— Agentic coding: new state of the art on SWE-bench + real codebases
— Computer use: understands intent, not just clicks
— 400K context window in Codex
— Tokenomics —
— Input: $2.50 to $5.00 per 1M tokens (2x)
— Cached input: $0.25 to $0.50 per 1M tokens (2x)
— Output: $15.00 to $30.00 per 1M tokens (2x)
— Fast mode: 2.5x cost, 1.5x generation speed
— How to Use —
ChatGPT Plus / Pro / Business / Enterprise get GPT-5.5 Thinking today. Pro / Business / Enterprise also get GPT-5.5 Pro. Codex users get 400K context. API rollout in days.
— The Move —
Switch your coding agent to 5.5, cut prompt bloat by 30-50 PCT, watch cost per task drop even with the 2x sticker price.
— Free Guide —
Full 8-page playbook with pricing tables, Python SDK code, Codex setup, and a migration checklist: https://drive.google.com/file/d/1HD_7oeq03O2RNriqHDXqX6CjCQD5QiHR/view?usp=drivesdk
— Recommended Channels —
3Blue1Brown, Two Minute Papers, freeCodeCamp, Matt Wolfe, Matthew Berman, DeepLearning.AI, Krish Naik, Sentdex, Yannic Kilcher, Nate Herk
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