OpenAI

o4-mini Cost Calculator

Estimate your exact monthly API cost for o4-mini. Enter your token volume and see the math — OpenRouter vs Neureus side-by-side.

$0.99 Input /M (Neureus)
$3.96 Output /M (Neureus)
200K Context window
−10% vs OpenRouter
Published pricing
Input (OpenRouter) $1.10/M
Input (Neureus) $0.99/M
Output (OpenRouter) $4.40/M
Output (Neureus) $3.96/M

How much will o4-mini cost?

M
M
Standard cost (OpenRouter)
N Neureus cost
You save per month with Neureus
Cost breakdown
Type Volume Rate (OpenRouter) Total (OpenRouter) Rate (Neureus) Total (Neureus)
Input $1.10/M $0.99/M
Output $4.40/M $3.96/M
Total
Context window
200K tokens
Maximum combined input + output size per request
Max output
100K tokens
Maximum tokens in a single response
Modalities
text, vision, code
Input types supported by this model
Provider
OpenAI
Access this model through Neureus or directly

Efficient reasoning model optimized for STEM tasks. Exceptional performance on coding, math, and science at a fraction of the cost of o3.

Full model documentation →

Use o4-mini for free.

Free tier includes 5M tokens — no credit card. Access o4-mini and 34 other models through one API key, priced 10% below OpenRouter.