According to UsagePricing's tracker, GPT-4.1 nano costs $0.10 per 1M input tokens and $0.40 per 1M output tokens as of March 2026. The model supports a 1,000,000-token context window.
Ultra-affordable model for high-volume classification, extraction, and routing.
Token Costs (per 1M)
Technical Specs
Compare GPT-4.1 nano With Other Models
Building with GPT-4.1 nano?
Estimate your total monthly bill based on your expected traffic and usage patterns. Our advanced calculator handles complex scenarios like RAG and agentic workflows.
Start Free CalculationFrequently Asked Questions
How much does GPT-4.1 nano cost per 1M tokens? ▼
GPT-4.1 nano costs $0.1 per 1M input tokens and $0.4 per 1M output tokens as of March 2026.
What is GPT-4.1 nano's context window? ▼
GPT-4.1 nano has a context window of 1,000,000 tokens, meaning it can process approximately 750,000 words in a single request.
Who makes GPT-4.1 nano? ▼
GPT-4.1 nano is made by OpenAI. You can access it via the OpenAI API.