openai
OpenAI: GPT-4.1 API Pricing
OpenAI: GPT-4.1 costs $2.00 per 1M input tokens and $8.00 per 1M output tokens (cache reads: $0.500). Context window: 1.0M. Prices verified 2026-08-23 Β· source
Input / 1M tokens
$2.00
Output / 1M tokens
$8.00
Context window
1.0M
Max output
33K
What would OpenAI: GPT-4.1 cost you per month?
| Workload | Requests/mo | Avg tokens (in/out) | Est. monthly cost |
|---|---|---|---|
| Light chatbot | 10,000 | 800 / 400 | $48.00 |
| Coding agent | 5,000 | 8,000 / 2,000 | $160.00 |
| RAG pipeline | 30,000 | 4,000 / 500 | $360.00 |
| Doc summarizer | 2,000 | 20,000 / 1,000 | $96.00 |
Estimates use list prices without prompt caching. Caching can cut input cost by up to 90% on repeated context.
About OpenAI: GPT-4.1
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
Compare OpenAI: GPT-4.1 with
Official resources
- OpenAI: GPT-4.1 on OpenRouter β live endpoint, pricing source of record.
- Get an OpenRouter API key β β one key, every model including GPT-4.1. Free credits on signup.
- Shred your current bill β paste a CSV and see if switching saves money.