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GPT-4o

By OpenAI
Model family: GPT
GPT-4o unifies language, vision, and audio in one model so conversations feel immediate and grounded. You can speak, type, or share images and screenshots; it parses the context, plans its steps, and answers in natural text or synthesized speech with round-trip times suited to live interactions. The model keeps long sessions coherent, follows instructions closely, and formats outputs as schema-true JSON when workflows require strict structure. It’s comfortable switching between chat, analysis, and code—explaining decisions as it goes, calling tools to search, run functions, or retrieve data, and tying responses back to what it “sees” in documents, charts, or UIs. Designed for production, GPT-4o streams tokens for responsive UX, supports function calling for agent stacks, and delivers strong cost-to-quality performance, making it a dependable default for multimodal copilots, customer support, developer assistants, and voice-first experiences.
Text Gen 3
Released: May 1, 2024

Overview

GPT-4o is OpenAI’s real-time, multimodal “omni” model. It understands text, images, and audio, and can respond with text or speech at low latency. It’s tuned for strong reasoning and coding, tool/function calling, and reliable JSON—ideal for assistants, RAG, and interactive apps.

About OpenAI

OpenAI is a technology company that specializes in artificial intelligence research and innovation.

Industry: Artificial Intelligence
Company Size: 4500
Location: San Francisco, California, US
Website: openai.com
View Company Profile

Benchmark scores

How GPT-4o ranks on tracked AI benchmarks. Click any benchmark to see its full leaderboard.

DROP
Reasoning
83.4%
HumanEval
Coding
90.2%
MATH
Math
76.6%
GPQA Diamond
Knowledge
53.6%
MMLU
Knowledge
88.7%
ChartQA
Multimodal
85.7%
DocVQA
Multimodal
92.8%
MathVista
Multimodal
63.8%
MMMU
Multimodal
69.1%
MGSM
Language
90.5%
Compare across all benchmarks →

Tools using GPT-4o

Last updated: April 6, 2026
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