OpenAI
GPT-4.1 nano API Pricing
"Fastest, most cost-efficient version of GPT-4.1"; older snapshot gpt-4.1-nano-2025-04-14 marked deprecated.
Verified against OpenAI’s pricing page on 2026-07-02.
View source ↗Facts
Specs
- FamilyGPT-4.1
- API IDgpt-4.1-nano
- ModalityMultimodal
- Context window1M tokens
- Max output32.8K tokens
- Release dateNot published
Pricing (per 1M tokens)
- Input$0.10 / 1M tokens
- Output$0.40 / 1M tokens
- Cached input$0.025 / 1M tokens
- Cache write—
- Batch discount—
Capabilities
vision, tool-use, function-calling, structured-outputs
Notes
"Fastest, most cost-efficient version of GPT-4.1"; older snapshot gpt-4.1-nano-2025-04-14 marked deprecated.
Worked cost examples
Estimated monthly cost on three common usage shapes
| Workload | Est. monthly cost |
|---|---|
Chatbot 800 input / 200 output tokens per request, 100,000 requests/month | $16.00 |
RAG pipeline 6,000 input / 700 output tokens per request, 30,000 requests/month | $26.40 |
Batch summarization 20,000 input / 1,500 output tokens per request, 5,000 requests/month | $13.00 |
Price history
Changes we have documented since we began tracking
No price changes recorded since we began tracking.
GPT-4.1 nano pricing FAQ
- How much does GPT-4.1 nano cost per 1M tokens?
- GPT-4.1 nano costs $0.10 per 1M input tokens and $0.40 per 1M output tokens.
- How much does GPT-4.1 nano cost per request?
- A typical request of 800 input and 200 output tokens costs about $0.00016 on GPT-4.1 nano.
- Is GPT-4.1 nano cheaper than GPT-4.1?
- GPT-4.1 nano is cheaper than GPT-4.1 on input tokens, by about 95%.
- Does GPT-4.1 nano have cache pricing?
- Yes — cached input reads cost $0.025 per 1M tokens.