GPT-4o API pricing

OpenAI model · context 128,000 tokens · max output 16,384 · vision. Last price check 2026-10-07. Official pricing.

Input$2.50 / 1M tokens
Output$10.00 / 1M tokens
Cached input$1.25 / 1M tokens
Batch input$1.25 / 1M tokens
Batch output$5.00 / 1M tokens

What it costs per month

Scenario (per month)GPT-4o
Customer support chatbot
1,000 req/day · 1,500 in · 300 out
$174
RAG over documents
500 req/day · 6,000 in · 400 out
$251
Agent loop (10 calls/task, 200 tasks)
2,000 req/day · 8,000 in · 500 out
$1,080
Batch summarization
10,000 req/day · 3,000 in · 200 out · batch
$1,425

Adjust the numbers in the calculator.

Cheaper alternatives

Lowest monthly cost for the chatbot scenario among non-reasoning models:

Price history

No price changes recorded since tracking began on 2026-10-07.