OpenAI: GPT-4o (2024-05-13) API Pricing
OpenAI: GPT-4o (2024-05-13) costs $5.00 per 1M input tokens and $15.00 per 1M output tokens. Context window: 128K. Prices verified 2026-10-21 · source
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Intelligence measures reasoning/knowledge/coding benchmarks. A high score with a low blended price = value pick; check the value chart to see where this model lands.
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What would OpenAI: GPT-4o (2024-05-13) cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $100.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $350.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $825.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $230.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-4o (2024-05-13)
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...
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Frequently asked questions
How much does OpenAI: GPT-4o (2024-05-13) cost?
OpenAI: GPT-4o (2024-05-13) costs $5.00 per 1M input tokens and $15.00 per 1M output tokens. Verified 2026-10-21 — provider source.
What is the context window?
128K tokens, with up to 4K output tokens per response. That's roughly 160 pages of text in a single request.
Does it support prompt caching?
Prompt-caching pricing is not published for this model via OpenRouter.
What's a cheaper alternative?
ScaleDown: Summarize saves about 99% on a typical workload with comparable quality.
Official resources
- OpenAI: GPT-4o (2024-05-13) on OpenRouter — live endpoint, pricing source of record.
- Artificial Analysis leaderboard → — independent intelligence and performance rankings.
- OpenAI pricing → — first-party pricing and billing details.
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