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OpenAI: GPT-4o (2024-11-20) API Pricing

OpenAI: GPT-4o (2024-11-20) is an API model from openai. It costs $2.5 per 1M input tokens and $10 per 1M output tokens, with cached input at $1.25. Its context window is 128,000 tokens with up to 16,384 output tokens. A workload of 10M input + 2M output tokens costs about $45 per month.
Input
$2.5
per 1M tokens
Output
$10
per 1M tokens
Cached input
$1.25
per 1M tokens
Context window
128K
128,000 tokens
Blended (80/20)
$4
per 1M tokens

The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability. It’s also better at working with uploaded...

How much does OpenAI: GPT-4o (2024-11-20) cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT-4o (2024-11-20) costs about $45 ($25 input + $20 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to OpenAI: GPT-4o (2024-11-20)?

Where to run OpenAI: GPT-4o (2024-11-20)

AI/ML API: one API key for 400+ models, including most models tracked here · Novita AI: pay-as-you-go APIs for open models (DeepSeek, Qwen, Llama and more) plus GPU cloud. Prices there follow each platform's own catalog and can differ from the list prices tracked here.

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Compare OpenAI: GPT-4o (2024-11-20) with other models

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Frequently asked questions

How much does OpenAI: GPT-4o (2024-11-20) cost?

OpenAI: GPT-4o (2024-11-20) costs $2.5 per 1M input tokens and $10 per 1M output tokens (list price, snapshot October 22, 2026). At 10M input + 2M output tokens per month that is about $45.

What is the context window of OpenAI: GPT-4o (2024-11-20)?

OpenAI: GPT-4o (2024-11-20) has a context window of 128,000 tokens and can return up to 16,384 output tokens per response.

What are cheaper alternatives to OpenAI: GPT-4o (2024-11-20)?

Cheaper models include MoonshotAI: Kimi K3 ($0.239 in / $11.94 out), Google: Gemini 4 Argon ($2 in / $10 out), OpenAI: GPT-6.1 Sol Pro ($2 in / $10 out). See the full list on this page.

Is OpenAI: GPT-4o (2024-11-20) free to use?

No. OpenAI: GPT-4o (2024-11-20) is a paid model at $2.5 input / $10 output per 1M tokens. 21 free models are listed on the free models page.

Provider: openai · Model ID: openai/gpt-4o-2024-11-20 · Modality: text+image+file->text · Price snapshot October 22, 2026, refreshed daily. How we collect prices