AI Research Atlas

GPT-4

OpenAI · 14 March 2023

GPT-4 accepts image and text input and passes a simulated bar exam around the top 10% of test takers, with architecture and data undisclosed.

Multimodal Transformer whose capabilities OpenAI forecast from runs using 1/1,000th of the compute. The technical report withheld parameter count, data and training details, setting the closed-report norm. Image input reached users later via GPT-4V.

Date
Tuesday, 14 March 2023
Lab
OpenAI
Kind
model
Access
closed API

Figures

MeasureValueMeasured by
Simulated bar examaround top 10% of test takers
simulated exam; per report abstract
company
Context window (default / extended)8K / 32K tokens
API variants at launch
company

arXiv v1 is dated 2023-03-15; the announcement was 2023-03-14. Altman said training cost over $100M and a 1T-parameter figure circulated via Semafor (unofficial, per Wikipedia).

Sources

  1. arxiv.org/abs/2303.08774
  2. en.wikipedia.org/wiki/GPT-4
  3. hidekazu-konishi.com/entry/openai_gpt_model_release_timeline.html

This record was checked against its sources on 6 October 2026. How we check