GPT-4o ("o" for "omni") is OpenAI's versatile multimodal model, accepting text and image input and returning text, with a 128,000-token context window.
GPT-4o ("o" for "omni") is OpenAI's versatile multimodal model, accepting text and image input and returning text, with a 128,000-token context window.
GPT 4o is an AI model from OpenAI, available on ZeroTwo. It costs $2.50 per million input tokens and $10.00 per million output tokens, has a 128,000-token context window, can return up to 16,384 output tokens, and has a knowledge cutoff of October 2023.
Intelligence
Good
Speed
Medium
Price
$2.50 • $10.00
Input • Output
Input
Text, Image
Output
Text
GPT-4o ("o" for "omni") is OpenAI's versatile multimodal model, accepting text and image input and returning text, with a 128,000-token context window.
128,000 context window
16,384 max output tokens
October 2023 knowledge cutoff
Pricing
Pricing is based on the number of tokens used. For tool-specific models, like search and computer use, there's a fee per tool call. See details in the pricing page.
Text tokens
Per 1M tokens
∙
Batch API price
Input
$2.50
Cached input
$1.25
Output
$10.00
Quick comparison
Input
Cached input
Output
GPT 4o
$2.50
Modalities
Text
Input and output
Image
Input only
Audio
Not supported
Endpoints
Chat Completions
v1/chat/completions
Responses
v1/responses
Batch
v1/batch
Realtime
v1/realtime
Assistants
v1/assistants
Fine-tuning
v1/fine-tuning
Embeddings
v1/embeddings
Image Generation
v1/images/generations
Image Edit
v1/images/edits
Speech Generation
v1/audio/speech
Transcription
v1/audio/transcriptions
Translation
v1/translations
Moderation
v1/moderations
Completions (legacy)
v1/completions
Features
Streaming
Supported
Function calling
Supported
Structured outputs
Supported
Fine-tuning
Supported
Distillation
Supported
Fast response
Not supported
Cost efficient
Not supported
Tools
Tools supported by this model when using the Responses API.
Web search
Supported
Code interpreter
Supported
File search
Supported
Image generation
Supported
MCP
Supported
Snapshots
Snapshots let you lock in a specific version of the model so that performance and behavior remain consistent. Below is a list of all available snapshots and aliases for GPT 4o.
gpt-4o
Questions
How much does GPT 4o cost?
GPT 4o is priced at $2.50 per million input tokens and $10.00 per million output tokens, with cached input at $1.25 per million. On ZeroTwo it is included in your plan's credits rather than billed per token.
What is GPT 4o's context window?
GPT 4o accepts up to 128,000 tokens of context and can return up to 16,384 output tokens.
What is GPT 4o's knowledge cutoff date?
GPT 4o has a training knowledge cutoff of October 2023. For anything later than that, use a model with web search enabled.
Can I use GPT 4o for free?
You can try GPT 4o on ZeroTwo's free plan, which includes a monthly credit allowance across every model in the catalogue. Heavier use moves to a paid plan rather than a per-token bill.