openai
OpenAI: GPT-4 Turbo API Pricing
OpenAI: GPT-4 Turbo costs $10.00 per 1M input tokens and $30.00 per 1M output tokens. Context window: 128K. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$10.00
Output / 1M tokens
$30.00
Context window
128K
Max output
4K
What would OpenAI: GPT-4 Turbo cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $200.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $700.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $1650.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $460.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-4 Turbo
The latest GPT-4 Turbo model with vision capabilities. Vision requests can now use JSON mode and function calling. Training data: up to December 2023.
Compare OpenAI: GPT-4 Turbo with
Official resources
- OpenAI: GPT-4 Turbo on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including Turbo. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.