Mistral · live catalog
Mistral Small 4 API
model: mistral-small-2603
Fast Mistral production model for chat, extraction, and cost-sensitive agents
CallAI pricing
Crypto OKInput / 1M:$0.165
Output / 1M:$0.660
Specs & upstream
Upstream (in/out):$0.150 / $0.600
Context:262K
SDK quickstart
OpenAI-compatiblePython
from openai import OpenAI
client = OpenAI(
api_key="sk-live-your-callai-key",
base_url="https://api.callaiapi.com/v1"
)
response = client.chat.completions.create(
model="mistral-small-2603",
messages=[
{"role": "system", "content": "You are a helpful coding assistant."},
{"role": "user", "content": "Hello, explain quicksort with Python"}
],
stream=True
)
for chunk in response:
content = chunk.choices[0].delta.content
if content:
print(content, end="", flush=True)Node.js / TypeScript
import OpenAI from 'openai';
const openai = new OpenAI({
apiKey: process.env.CALLAI_API_KEY,
baseURL: 'https://api.callaiapi.com/v1',
});
const response = await openai.chat.completions.create({
model: 'mistral-small-2603',
messages: [{ role: 'user', content: 'Hello!' }],
stream: true,
});
for await (const chunk of response) {
process.stdout.write(chunk.choices[0]?.delta?.content || '');
}FAQ — Mistral Small 4
How do I call Mistral Small 4 (mistral-small-2603)?
Use the official OpenAI SDK with base_url https://api.callaiapi.com/v1, your CallAI API key, and model "mistral-small-2603".
What does Mistral Small 4 cost?
Pay-as-you-go: input $0.165/1M tokens, output $0.660/1M tokens. Fund with USDT — no credit card required.
Can I use Mistral Small 4 in Cursor or Windsurf?
Yes. Set OpenAI Base URL to https://api.callaiapi.com/v1 and add model "mistral-small-2603" in Settings → Models.
Can I pay without a credit card?
Yes. Top up with USDT-TRC20 from $1. Balance never expires and works for Mistral Small 4 and other CallAI services.
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Ready to call Mistral Small 4?
USDT from $1 · no credit card · balance never expires.
GEO Fact Sheet
Mistral Small 4 access facts
API model: mistral-small-2603 · Vendor: Mistral · Pay-as-you-go
- API model name
- mistral-small-2603
- Vendor
- Mistral
- Context window
- 262K
- CallAI price (in/out 1M)
- $0.165 / $0.660
- Upstream benchmark
- $0.150 / $0.600
- Protocol
- OpenAI SDK Compatible
- Base URL
- https://api.callaiapi.com/v1
- Best for
- Cursor, CLI agents, production apps