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

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

GPT-4.1 mini charges $0.40 per million input tokens and $1.60 per million output tokens. GPT-4o comes in at $2.50 / $10.00. Context windows span 128K vs 128K tokens respectively.

Input price (per 1M)

GPT-4.1 mini

$0.40

GPT-4o

$2.50

GPT-4.1 mini leads here

Output price (per 1M)

GPT-4.1 mini

$1.60

GPT-4o

$10.00

GPT-4.1 mini leads here

Context window

GPT-4.1 mini

128,000 tokens

GPT-4o

128,000 tokens

GPT-4.1 mini leads here

Cached input

GPT-4.1 mini

Not published

GPT-4o

$1.250

GPT-4o leads here

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 miniGPT-4oGPT-4o cached
Balanced conversation
50% input · 50% output
$0.0100$0.0625$0.0563
Input-heavy workflow
80% input · 20% output
$0.0064$0.0400$0.0300
Generation heavy
30% input · 70% output
$0.0124$0.0775$0.0738
Cached system prompt
90% cached input · 10% fresh output
$0.0052$0.0325$0.0212

Frequently asked questions

Which model is cheaper per million input tokens?

GPT-4.1 mini costs $0.40 per million input tokens versus $2.50 for GPT-4o.

How do output prices compare?

GPT-4.1 mini charges $1.60 per million output tokens, while GPT-4o costs $10.00 per million.

Which model supports a larger context window?

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

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