Last verified 2025-09-22 (left) · 2025-09-22 (right)

GPT-4.1 nano vs GPT-4o mini — Pricing & Capability Comparison

GPT-4.1 nano charges $0.10 per million input tokens and $0.40 per million output tokens. GPT-4o mini comes in at $0.15 / $0.60. Context windows span 128K vs 128K tokens respectively.

Input price (per 1M)

GPT-4.1 nano

$0.10

GPT-4o mini

$0.15

GPT-4.1 nano leads here

Output price (per 1M)

GPT-4.1 nano

$0.40

GPT-4o mini

$0.60

GPT-4.1 nano leads here

Context window

GPT-4.1 nano

128,000 tokens

GPT-4o mini

128,000 tokens

GPT-4.1 nano leads here

Cached input

GPT-4.1 nano

Not published

GPT-4o mini

Not published

No published data

Cost comparison for 10K-token workloads

Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.

ScenarioGPT-4.1 nanoGPT-4o mini
Balanced conversation
50% input · 50% output
$0.0025$0.0037
Input-heavy workflow
80% input · 20% output
$0.0016$0.0024
Generation heavy
30% input · 70% output
$0.0031$0.0046
Cached system prompt
90% cached input · 10% fresh output
$0.0013$0.0019

Frequently asked questions

Which model is cheaper per million input tokens?

GPT-4.1 nano costs $0.10 per million input tokens versus $0.15 for GPT-4o mini.

How do output prices compare?

GPT-4.1 nano charges $0.40 per million output tokens, while GPT-4o mini costs $0.60 per million.

Which model supports a larger context window?

GPT-4.1 nano offers 128,000 tokens (128K) versus 128K for GPT-4o mini.

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