GPT-4.1 nano vs o1

Compare OpenAI and OpenAI AI models

OpenAI

GPT-4.1 nano

OpenAI

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Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

GPT-4.1 nano

Per Request:$0.000300

Daily:$0.03

Monthly:$0.90

Yearly:$10.95

o1

Per Request:$0.045

Daily:$4.50

Monthly:$135.00

Yearly:$1,642.50

Cost Differences

+$0.0447

Per Request

+$4.47

Daily

+$134.10

Monthly

+$1,631.55

Yearly

o1 costs more than GPT-4.1 nano

Feature Comparison

Feature	GPT-4.1 nano	o1
Provider	OpenAI	OpenAI
Input Price	$0.10/1M tokens	$15.00/1M tokens
Output Price	$0.40/1M tokens	$60.00/1M tokens
Context Window	128,000 tokens	200,000 tokens
Max Output	8,192 tokens	65,536 tokens
Category	efficient	reasoning
Capabilities	text	textreasoning
Release Date	4/14/2025	9/12/2024

GPT-4.1 nano vs o1: Which Should You Choose?

Choosing between GPT-4.1 nano and o1 depends on your priorities: cost efficiency, context length, or raw capability. GPT-4.1 nano is the more affordable option at $0.10/1M input tokens — 99% cheaper than o1. Meanwhile, o1 offers a significantly larger context window at 200,000 tokens vs 128,000 for GPT-4.1 nano.

These models target different tiers: GPT-4.1 nano is a efficient model while o1 is reasoning. This means they're optimized for different workloads. o1 targets more demanding workloads, while GPT-4.1 nano provides a cost-effective option for everyday tasks.

Output costs matter too. GPT-4.1 nano charges $0.40/1M output tokens vs $60.00 for o1. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-4.1 nano has the edge here at $0.40/1M output tokens.

Best Use Cases

Choose GPT-4.1 nano when:

• Budget is a primary concern
• You're already using OpenAI's API ecosystem
• You're running high-volume, latency-sensitive workloads

Choose o1 when:

• You need a larger context window (200,000 tokens)
• You need more capabilities (reasoning)
• You need longer outputs (up to 65,536 tokens)
• You're already using OpenAI's API ecosystem

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

GPT-4.1 nano (OpenAI)

Cost Calculator

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o1 (OpenAI)

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Frequently Asked Questions

Which is cheaper, GPT-4.1 nano or o1?▼

GPT-4.1 nano is cheaper for input tokens at $0.10 per million tokens vs $15.00 for o1 — that's 99% savings on input costs.

What is the context window difference between GPT-4.1 nano and o1?▼

GPT-4.1 nano supports 128,000 tokens while o1 supports 200,000 tokens — a difference of 72,000 tokens in favor of o1.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, GPT-4.1 nano is the lower-cost option, while o1 offers a larger context window (200,000 vs 128,000 tokens). Choose GPT-4.1 nano for budget sensitivity or o1 for longer context tasks.

Which model has better overall pricing for heavy usage?▼

At 100 requests/day with 1,000 input and 500 output tokens each, GPT-4.1 nano costs about $0.90/month and o1 costs about $135.00/month. Overall, GPT-4.1 nano has lower combined input + output rates ($0.10 in, $0.40 out) vs o1.