GPT-4.1 Nano
OpenAIGPT-4.1 Nano by OpenAI costs $0.1/M input, $0.4/M output with 1.0M context window. Updated February 2026. Compare with GPT-5, Claude, Gemini & 40+ models.
Input Price
$0.10
per 1M tokens
Output Price
$0.40
per 1M tokens
Context Window
1.0M
tokens
Specifications
| Provider | OpenAI |
| Model ID | gpt-4-1-nano |
| Input Price | $0.1 / 1M tokens |
| Output Price | $0.4 / 1M tokens |
| Context Window | 1.0M tokens |
| Max Output | 16K tokens |
| Capabilities | textfunction_callingstructured_output |
| Release Date | 2025-04 |
Monthly Cost Estimates
Estimated monthly costs based on different daily usage levels (assuming 50% input / 50% output split).
| Daily Tokens | Monthly Cost | Annual Cost |
|---|---|---|
| 10K | $0.07 | $0.90 |
| 50K | $0.38 | $4.50 |
| 100K | $0.75 | $9.00 |
| 500K | $3.75 | $45.00 |
| 1.0M | $7.50 | $90.00 |
About GPT-4.1 Nano
GPT-4.1 Nano is a large language model by OpenAI. It features a 1.0M token context window with up to 16K tokens of output per request. The model supports 3 capabilities: text, function_calling, structured_output.
At $0.1 per million input tokens and $0.4 per million output tokens, GPT-4.1 Nano is positioned as a cost-effective option in the OpenAI lineup. Use our Token Counter to estimate how many tokens your prompts use, and our Pricing Calculator to compare costs across all models.
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FAQ
How much does GPT-4.1 Nano cost?
GPT-4.1 Nano costs $0.1 per million input tokens and $0.4 per million output tokens. For a typical workload of 100K tokens/day, expect approximately $0.90/month.
What is GPT-4.1 Nano's context window?
GPT-4.1 Nano supports a context window of 1.0M tokens. This means your combined input prompt and output response can be up to 1.0M tokens. The maximum output per response is 16K tokens.
Is GPT-4.1 Nano good for my use case?
GPT-4.1 Nano supports text, function_calling, structured_output. As a budget-friendly model, it works well for high-volume tasks like classification, summarization, and simple generation. Use our Pricing Calculator to compare with alternatives.