Mistral AI

Mistral Small 3.1 Cost Calculator

Estimate your exact monthly API cost for Mistral Small 3.1. Enter your token volume and see the math — OpenRouter vs Neureus side-by-side.

$0.090 Input /M (Neureus)

$0.27 Output /M (Neureus)

128K Context window

−10% vs OpenRouter

Published pricing

Input (OpenRouter) $0.10/M

Input (Neureus) $0.090/M

Output (OpenRouter) $0.30/M

Output (Neureus) $0.27/M

Monthly cost estimator

How much will Mistral Small 3.1 cost?

Input tokens / month

Output tokens / month

Standard cost (OpenRouter)

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N Neureus cost

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You save — per month with Neureus

Cost breakdown

Type	Volume	Rate (OpenRouter)	Total (OpenRouter)	Rate (Neureus)	Total (Neureus)
Input	—	$0.10/M	—	$0.090/M	—
Output	—	$0.30/M	—	$0.27/M	—
Total			—		—

Model details

Context window

128K tokens

Maximum combined input + output size per request

Max output

8K tokens

Maximum tokens in a single response

Modalities

text, vision, code

Input types supported by this model

Provider

Mistral AI

Access this model through Neureus or directly

Mistral's best small model with 128K context and vision. Exceptional performance-per-dollar for production API workloads.

More Mistral AI models

Free tier includes 5M tokens — no credit card. Access Mistral Small 3.1 and 34 other models through one API key, priced 10% below OpenRouter.