Last verified 2025-09-22 (left) · 2025-09-22 (right)
GPT-4.1 mini vs GPT-5 Chat — Pricing & Capability Comparison
GPT-4.1 mini charges $0.40 per million input tokens and $1.60 per million output tokens. GPT-5 Chat comes in at $1.25 / $10.00. Context windows span 128K vs 200K tokens respectively.
Input price (per 1M)
GPT-4.1 mini
$0.40
GPT-5 Chat
$1.25
GPT-4.1 mini leads here
Output price (per 1M)
GPT-4.1 mini
$1.60
GPT-5 Chat
$10.00
GPT-4.1 mini leads here
Context window
GPT-4.1 mini
128,000 tokens
GPT-5 Chat
200,000 tokens
GPT-5 Chat leads here
Cached input
GPT-4.1 mini
Not published
GPT-5 Chat
$0.125
GPT-5 Chat leads here
Cost comparison for 10K-token workloads
Side-by-side pricing for identical workloads (10,000 total tokens per request) across different distributions.
| Scenario | GPT-4.1 mini | GPT-5 Chat | GPT-5 Chat cached |
|---|---|---|---|
Balanced conversation 50% input · 50% output | $0.0100 | $0.0563 | $0.0506 |
Input-heavy workflow 80% input · 20% output | $0.0064 | $0.0300 | $0.0210 |
Generation heavy 30% input · 70% output | $0.0124 | $0.0738 | $0.0704 |
Cached system prompt 90% cached input · 10% fresh output | $0.0052 | $0.0212 | $0.0111 |
Frequently asked questions
Which model is cheaper per million input tokens?
GPT-4.1 mini costs $0.40 per million input tokens versus $1.25 for GPT-5 Chat.
How do output prices compare?
GPT-4.1 mini charges $1.60 per million output tokens, while GPT-5 Chat costs $10.00 per million.
Which model supports a larger context window?
GPT-5 Chat offers 200,000 tokens (200K) versus 128K for GPT-4.1 mini.