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...
Specifications
| Provider | OpenAI |
|---|---|
| Context window | 128,000 tokens (128K) |
| Input price | $2.5 / 1M tokens |
| Output price | $10 / 1M tokens |
| Input modalities | text, image, file |
| Output modalities | text |
| Model ID | openai/gpt-4o |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ.
Frequently asked questions
How much does GPT-4o cost?
Indicative pricing (via OpenRouter, updated 2026-08-22) is $2.5 per 1M input tokens and $10 per 1M output tokens. A provider's own list price may differ. On Vincony, GPT-4o is available on credit-based pricing alongside 800+ other models.
What is GPT-4o's context window?
GPT-4o supports a context window of up to 128,000 tokens (128K), which is how much text it can consider at once.
Who makes GPT-4o?
GPT-4o is built by OpenAI. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.
How do I use GPT-4o?
You can use GPT-4o directly through OpenAI, or via Vincony, which aggregates 800+ models (including GPT-4o) into one interface with side-by-side comparison and credit-based pricing.