GPT-4o mini pricing & specs

OpenAI · released 2024-07-18 · ● verified 2026-10-11

input / 1M$0.15
output / 1M$0.60
context128K
max output16.4K

// price history ($/1M tokens)

$0.69
input $/1Moutput $/1M2024-07-18 → 2026-10-11

// cheaper or similar alternatives

modelinoutctxvs GPT-4o mini
Gemini 2.5 Flash-Lite$0.10$0.401.05M−33.3%
Claude Haiku 5.5$0.10$0.501M−23.8%
GPT-6 Luna$0.10$0.501.05M−23.8%
GLM-5.3-Flash$0.15$0.501M−9.5%
GPT-5.6 Luna$0.20$1.201.05M+71.4%

// price by host

hostin $/1Mout $/1M
Azure$0.15$0.60

// faq

How much does GPT-4o mini cost?

GPT-4o mini costs $0.15 per million input tokens and $0.60 per million output tokens. At 50M input and 10M output tokens per month that is about $13.50.

What is the context window of GPT-4o mini?

128K tokens, with up to 16.4K output tokens per request.

Does GPT-4o mini support prompt caching?

Yes. Cached input tokens cost $0.075 per million.

What are cheaper alternatives to GPT-4o mini?

Gemini 2.5 Flash-Lite ($0.10 in / $0.40 out), Claude Haiku 5.5 ($0.10 in / $0.50 out), GPT-6 Luna ($0.10 in / $0.50 out) offer the same input types and capabilities for less.

// spec sheet

input / 1M
$0.15
output / 1M
$0.60
cache read / 1M
$0.075
blended (3:1)
$0.2625
context
128K
max output
16.4K
input types
text · image · pdf
reasoning
no
tool calling
yes
structured output
yes
open weights
no
knowledge cutoff
2023-09
price source
OpenAI

report a data error

// cost calculator

modelin $/1Mout $/1M= monthly
Gemini 2.5 Flash-Lite$0.10$0.40$9.00
Claude Haiku 5.5$0.10$0.50$10.00
GPT-6 Luna$0.10$0.50$10.00
GPT-4o mini$0.15$0.60$13.50

Base-tier list prices. Long-context tiers, caching and batch discounts are not included.