GPT-4.1 Nano API Pricing Calculator

Track GPT-4.1-Nano pricing across providers and get alerts on updates for ultra-efficient, low-cost AI text processing.

Released 14 April 2025, GPT-4.1 Nano is now a legacy multimodal model from OpenAI. It was replaced by GPT-5.6 Luna on 23 October 2026. The context window holds 1,050,000 tokens, with up to 32,768 returned per response. It costs between $0.05 and $0.20 per million input tokens, depending on service tier.

Last updated Sep 28, 2026

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Model Details

Released
Apr 14, 2025
Status
Legacysunset Oct 23, 2026
Context Length
1,050,000
Max Output
32,768
Superseded By
GPT-5.6 Luna

Where is GPT-4.1 Nano a perfect fit?

GPT-4.1-Nano is built for efficiency and cost control, offering compact AI power for quick, resource-light text operations without compromising essential performance.

Perfect Fit For:
- Mobile and embedded AI applications
- Low-cost automation or text utilities
- Edge computing and lightweight inference tasks
- Educational or experimental projects with limited resources

Quick Model Estimate

(USD 0.1000 per 1M tokens)
(USD 0.4000 per 1M tokens)

Your GPT-4.1 Nano Cost Estimate

💰 Total Cost

—

for 1000 input + 1000 output tokens

📥 Input (1000 × $0.100000) —
📤 Output (1000 × $0.400000) —

Cost Breakdown

📥 Input 📤 Output

Prices are watched for changes and checked against the provider's own page.

Pricing

Provider ↕
Modality ↕
Service Tier ↕
Input Price
(per 1M tokens) ↕
Output Price
(per 1M tokens) ↕
Cached Input
(per 1M tokens) ↕
Context Size ↕
View
OpenAI LogoOpenAITextStandard$0.1000$0.4000$0.02501,050,000 tokens→
OpenAI LogoOpenAITextBatch$0.0500$0.2000N/A1,050,000 tokens→
OpenAI LogoOpenAITextPriority$0.2000$0.8000$0.05001,050,000 tokens→

Recent changes

When GPT-4.1 Nano was newly listed on a provider, moved to legacy or deprecated, or retired.

  1. Retired

    OpenAI retired GPT-4.1 Nano, with GPT-5.6 Luna as the suggested replacement.

See all changes, new releases and retirements →

Other Models in the GPT-4.1 Family

GPT-4.1

Active

Multimodal · 1,050,000 context

GPT-4.1 2025-04-14

Active

Fine-tuning · 999,997 context

GPT-4.1 Mini

Active

Multimodal · 1,050,000 context

GPT-4.1 Mini 2025-04-14

Active

Fine-tuning · 1,000,000 context

GPT-4.1 Nano 2025-04-14

Legacy

Fine-tuning · 1,000,000 context

FAQs about GPT-4.1 Nano

How much does GPT-4.1 Nano cost per 1M tokens?

GPT-4.1 Nano costs between $0.05 and $0.20 per million input tokens, and between $0.20 and $0.80 per million output tokens. The range covers Standard, Batch and Priority pricing.

What does a typical workload cost with GPT-4.1 Nano?

1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $0.20 with GPT-4.1 Nano at its lowest rates. Use the calculator on this page for your own volumes.

Where can I use GPT-4.1 Nano?

GPT-4.1 Nano is available through OpenAI, from $0.05 per million input tokens.

Is there cheaper GPT-4.1 Nano pricing than the standard rate?

Yes. Batch pricing for GPT-4.1 Nano starts at $0.05 per million input tokens against $0.10 on the standard tier, about 50% lower.

What is GPT-4.1 Nano's context window?

GPT-4.1 Nano has a context window of 1,050,000 tokens, and returns up to 32,768 tokens in a single response.

Is GPT-4.1 Nano still available?

GPT-4.1 Nano is a legacy model and was retired on 23 October 2026. The replacement is GPT-5.6 Luna.