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

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

GPT-4o charges $2.50 per million input tokens and $10.00 per million output tokens. GPT-4o (fine-tuned) comes in at $3.75 / $15.00. Context windows span 128K vs 128K tokens respectively.

Input price (per 1M)

GPT-4o

$2.50

GPT-4o (fine-tuned)

$3.75

GPT-4o leads here

Output price (per 1M)

GPT-4o

$10.00

GPT-4o (fine-tuned)

$15.00

GPT-4o leads here

Context window

GPT-4o

128,000 tokens

GPT-4o (fine-tuned)

128,000 tokens

GPT-4o leads here

Cached input

GPT-4o

$1.250

GPT-4o (fine-tuned)

$1.875

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-4oGPT-4o (fine-tuned)GPT-4o cachedGPT-4o (fine-tuned) cached
Balanced conversation
50% input · 50% output
$0.0625$0.0938$0.0563$0.0844
Input-heavy workflow
80% input · 20% output
$0.0400$0.0600$0.0300$0.0450
Generation heavy
30% input · 70% output
$0.0775$0.116$0.0738$0.111
Cached system prompt
90% cached input · 10% fresh output
$0.0325$0.0487$0.0212$0.0319

Frequently asked questions

Which model is cheaper per million input tokens?

GPT-4o costs $2.50 per million input tokens versus $3.75 for GPT-4o (fine-tuned).

How do output prices compare?

GPT-4o charges $10.00 per million output tokens, while GPT-4o (fine-tuned) costs $15.00 per million.

Which model supports a larger context window?

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

Related resources