{"data":{"slug":"gpt-4","etype":"model","name":"GPT-4","cat":"Language","subtitle":"The March 2023 landmark that made AI a boardroom subject.","summary":"GPT-4 jumped capability far past GPT-3.5 — bar exams, competition math, nuanced writing — and its technical report disclosed neither parameters nor architecture, marking the industry's turn to secrecy. Community and analyst estimates (never confirmed) describe a large mixture-of-experts trained on ~25,000 A100s at ~2×10²⁵ FLOP. It set the bar every 2023–24 model chased.","attrs":[{"g":"Overview","l":"Parameters","n":"MoE architecture per community estimates only","v":"Not publicly disclosed"},{"b":"Estimate","g":"Overview","l":"Training compute","v":"~2×10²⁵ FLOP"},{"b":"Reported","g":"Overview","l":"Training hardware","v":"NVIDIA A100 fleet (Azure)"}],"kf":{"params":"Not publicly disclosed","context":"8K–128K","weights":"Closed","modality":"Text + vision","rel_date":"2023-03","developer":"OpenAI"},"aliases":["GPT4"],"ticker":null,"exchange":null,"hq":null,"founded":null,"website":null,"status":"Historical","region":null,"asof":"2026-01-15","sources":[{"url":"https://arxiv.org/abs/2303.08774","label":"GPT-4 technical report"}]},"meta":{"found":true,"count":1,"served_from":"site cache (no live upstream calls)","as_of":"2026-10-14T03:49:22+00:00","disclaimer":"Research and information only — not investment advice. Structured records carry basis labels (vendor spec / reported / estimate); market quotes are delayed/indicative.","attribution":"Records compiled from vendor documentation, official filings and reputable public reporting; market quotes via financial data providers. See /data-sources."}}