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OpenAI: GPT-4o (2024-05-13) API Pricing

OpenAI: GPT-4o (2024-05-13) is an API model from openai. It costs $5 per 1M input tokens and $15 per 1M output tokens. Its context window is 128,000 tokens with up to 4,096 output tokens. A workload of 10M input + 2M output tokens costs about $80 per month.
Input
$5
per 1M tokens
Output
$15
per 1M tokens
Cached input
—
per 1M tokens
Context window
128K
128,000 tokens
Blended (80/20)
$7
per 1M tokens

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...

How much does OpenAI: GPT-4o (2024-05-13) cost for a real workload?

At 10M input + 2M output tokens per month, OpenAI: GPT-4o (2024-05-13) costs about $80 ($50 input + $30 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to OpenAI: GPT-4o (2024-05-13)?

Compare OpenAI: GPT-4o (2024-05-13) with other models

OpenAI: GPT-4o (2024-05-13) vs OpenAI: gpt-oss-20bOpenAI: GPT-4o (2024-05-13) vs OpenAI: gpt-oss-20b (batch)OpenAI: GPT-4o (2024-05-13) vs OpenAI: gpt-oss-120b (batch)OpenAI: GPT-4o (2024-05-13) vs OpenAI: GPT-5 Nano (batch)OpenAI: GPT-4o (2024-05-13) vs OpenAI: GPT-4.1 Nano (batch)OpenAI: GPT-4o (2024-05-13) vs OpenAI: GPT-6 Luna Pro (batch)

Frequently asked questions

How much does OpenAI: GPT-4o (2024-05-13) cost?

OpenAI: GPT-4o (2024-05-13) costs $5 per 1M input tokens and $15 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $80.

What is the context window of OpenAI: GPT-4o (2024-05-13)?

OpenAI: GPT-4o (2024-05-13) has a context window of 128,000 tokens and can return up to 4,096 output tokens per response.

What are cheaper alternatives to OpenAI: GPT-4o (2024-05-13)?

Cheaper models include Fireworks: Ember-1 ($3 in / $15 out), Anthropic: Claude Sonnet 4.6 ($3 in / $15 out), Perplexity: Sonar Pro Search ($3 in / $15 out). See the full list on this page.

Is OpenAI: GPT-4o (2024-05-13) free to use?

No. OpenAI: GPT-4o (2024-05-13) is a paid model at $5 input / $15 output per 1M tokens. 20 free models are listed on the free models page.

Provider: openai · Model ID: openai/gpt-4o-2024-05-13 · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices