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

GPT-4o (fine-tuned) vs GPT-4o mini — Pricing & Capability Comparison

GPT-4o (fine-tuned) charges $3.75 per million input tokens and $15.00 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-4o (fine-tuned)

$3.75

GPT-4o mini

$0.15

GPT-4o mini leads here

Output price (per 1M)

GPT-4o (fine-tuned)

$15.00

GPT-4o mini

$0.60

GPT-4o mini leads here

Context window

GPT-4o (fine-tuned)

128,000 tokens

GPT-4o mini

128,000 tokens

GPT-4o (fine-tuned) leads here

Cached input

GPT-4o (fine-tuned)

$1.875

GPT-4o mini

Not published

GPT-4o (fine-tuned) 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-4o (fine-tuned)GPT-4o miniGPT-4o (fine-tuned) cached
Balanced conversation
50% input · 50% output
$0.0938$0.0037$0.0844
Input-heavy workflow
80% input · 20% output
$0.0600$0.0024$0.0450
Generation heavy
30% input · 70% output
$0.116$0.0046$0.111
Cached system prompt
90% cached input · 10% fresh output
$0.0487$0.0019$0.0319

Frequently asked questions

Which model is cheaper per million input tokens?

GPT-4o mini costs $0.15 per million input tokens versus $3.75 for GPT-4o (fine-tuned).

How do output prices compare?

GPT-4o mini charges $0.60 per million output tokens, while GPT-4o (fine-tuned) costs $15.00 per million.

Which model supports a larger context window?

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

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