OpenAI

OpenAI: GPT-4o (2024-08-06)

The 2024-08-06 version of GPT-4o offers improved performance in structured outputs, with the ability to supply a JSON schema in the respone_format. Read more [here](https://openai.com/index/introducing-structured-outputs-in-the-api/). GPT-4o ("o" for "omni") is...

Tool callingVisionStreamingJSON mode
128K token context Released Aug 6, 2024

Intelligence overview

128K tok

Context window

16.4K tok

Max output

Capabilities

What OpenAI: GPT-4o (2024-08-06) can do.

Multimodal

Image understanding

Reads and reasons over images alongside text in the same prompt.

File input

Reads uploaded files — documents, spreadsheets, code — directly in context.

Development

Tool calling

Calls external functions mid-response, then continues reasoning from the result.

Structured output

Returns responses constrained to a JSON schema, ready to parse without cleanup.

Streaming

Streams tokens as they're generated instead of waiting on the full response.

Pricing

Pay for what you use.

Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.

INPUT

$2.5 / 1M tok

OUTPUT

$10 / 1M tok

Cache read$1.25 / 1M tok
Use cases

Built for serious work.

Build

Generate and refactor code, with the ability to run and verify tool calls and return structured, parseable output.

Research

Holds up to 128K tokens of source material in context without losing the thread.

Create

Reads images alongside a prompt to ground creative and design work in what's actually on screen.

Preview

Ask OpenAI: GPT-4o (2024-08-06) anything.

A preview of the real UltraGPT composer — the model you see here is the model you get.

OpenAI: GPT-4o (2024-08-06) Ready

Continues in the UltraGPT app — one login, every model.

Comparison

How OpenAI: GPT-4o (2024-08-06) stacks up.

The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.

Specification

Technical details.

Specification

Context window
128K tokens
Max output
16.4K tokens
Input modalities
Text + Image + File
Output modalities
Text
Knowledge cutoff
Oct 31, 2023
Release date
Aug 6, 2024
Streaming
Supported
Tool calling
Supported
JSON mode
Supported

Model identity

Provider
OpenAI
Provider ID
openai

Model ID

Directory

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This model is one entry in the full UltraGPT catalog — browse the rest, compare pricing and context windows, or filter by capability.

OpenAI: GPT-4o (2024-08-06), one subscription away.

UltraGPT puts this model — and every other one in the directory — behind a single login and one flat monthly price.