GPT-4o API Pricing
GPT-4o costs $2.50 per million input tokens and $10.00 per million output tokens at list price. Here is the cost at volume and how it ranks against 6 other models (5 of 7 by blended price).
alternatives
GPT-4o vs every other model on price
| model | blended / 1M | vs GPT-4o |
|---|---|---|
| Gemini 1.5 FlashGoogle (Vertex) | $0.13 | 97% cheaper |
| GPT-4o miniOpenAI | $0.26 | 94% cheaper |
| Claude HaikuAnthropic | $1.60 | 63% cheaper |
| Gemini 1.5 ProGoogle (Vertex) | $2.19 | 50% cheaper |
| Claude OpusAnthropic | $30.00 | 6.9× the price |
| Claude SonnetAnthropic | $6.00 | 1.4× the price |
cheaper than GPT-4o · public list prices as of 2026-06 · estimates, not quotes
when_it_fits
When GPT-4o is the right call
OpenAI's flagship general-purpose model.
On blended price, GPT-4o is mid-pack: 4 compared here are cheaper and 2 cost more. Whether its rate is worth paying comes down to fit. A model that resolves a task in fewer attempts or shorter prompts can come out ahead of a cheaper one that needs retries, so price it on your own evaluation set and token mix rather than the per-million rate alone.
faq
Questions & answers
- How much does GPT-4o cost?
- GPT-4o is $2.50 per million input tokens and $10.00 per million output tokens, at public list price (2026-06). At a typical 3:1 input-to-output mix that blends to about $4.38 per million tokens.
- What is a cheaper alternative to GPT-4o?
- The cheapest option compared here is Gemini 1.5 Flash at about $0.13 per million blended, roughly 97% less than GPT-4o. Whether it fits depends on your task: a cheaper model that needs retries or longer prompts can cost more in practice.
- How much does GPT-4o cost to run an AI agent per month?
- On a representative agent workload (2,000 requests a day, 3 tool calls, RAG on), GPT-4o comes to about $4,532 a month. That includes the agentic context tax, where every tool call re-sends the conversation and you pay for it again. Your real figure depends on volume and tokens, so run it in the calculator.
A model's list price is not its bill.
Prompt caching, context trimming, and the right tier per task usually move an LLM bill more than the model choice does. Book a call, or leave your email and I'll reach out.
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