News15 min
OpenAI's Automated Research Intern: The 2026 Numbers
OpenAI says it hit its automated research intern goal: 3.1 agent-workdays per human workday, $600/day of inference. What the numbers show — and what they don't.
Tag
#codex
2 posts
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AI & Machine Learning12 min
GPT-5.5: OpenAI's First Retrained Base Since GPT-4.5
OpenAI released GPT-5.5 on April 23, 2026 — the first fully retrained base since GPT-4.5. Benchmarks, $5/$30 API pricing, 1M context, and Opus 4.7 compared.