Mistral AI

Mistral Small 3.1

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

fastcost effectivemultimodal

Use this model free ← All models

Pricing via Neureus

Save 10% vs OpenRouter

Context window 128K tokens

Max output 8K tokens

Input (OpenRouter) $0.10/M

Input (Neureus) $0.090/M

Output (OpenRouter) $0.30/M

Output (Neureus) $0.27/M

Neureus prices all models at 10% below published OpenRouter rates, updated monthly. Free tier includes 5M tokens →

Use this model

One API. Every model.

Swap any model ID in a single field. Neureus handles routing, caching, and tenant isolation automatically.

  chat.ts 
const res = await fetch('https://app.neureus.ai/ai/chat', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${NEUREUS_API_KEY}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    model: 'mistralai/mistral-small-3.1',
    messages: [{ role: 'user', content: 'Hello!' }],
  }),
});
const { message } = await res.json();

Semantic response caching — repeated queries served free from edge

Per-tenant spend caps — set a monthly limit per customer

PII guardrails — optional PHI/PII detection before each request

Automatic failover — falls back to an alternate provider on error

Mistral Small 3.1

One API. Every model.

Start using Mistral Small 3.1for free.

Start using Mistral Small 3.1
for free.