OpenAI: GPT-4o

OpenAIID: openai/gpt-4o

GPT-4o ("o" for "omni") is OpenAI's latest AI model, supporting both text and image inputs with text outputs. It maintains the intelligence level of [GPT-4 Turbo](/models/openai/gpt-4-turbo) while being twice as fast and 50% more cost-effective. GPT-4o also offers improved performance in processing non-English languages and enhanced visual capabilities. For benchmarking against other models, it was briefly called ["im-also-a-good-gpt2-chatbot"](https://twitter.com/LiamFedus/status/1790064963966370209) #multimodal

Pricing per 1M Tokens

Input (Prompt)$2.50
Output (Completion)$10
Cache Read$1.25
Cache WriteFree
ImageN/A

Specifications

Context Length128K
Max Output Tokens16K
Input ModalitiesText + Image + File
Output ModalitiesText
TokenizerGPT
Instruct TypeN/A
Top Provider Context128K
Top Provider Max Output16K
ModeratedYes

Compare this model

See how OpenAI: GPT-4o stacks up against other models.

vs OpenAI: GPT-5.4 Nanovs OpenAI: GPT-5.4 Minivs OpenAI: GPT-5.4 Provs OpenAI: GPT-5.4vs OpenAI: GPT-5.3 Chat

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Last updated: March 23, 2026

First tracked: March 23, 2026