Mistral · 262K context

Mistral Small 4 API

Chat with Mistral Small 4

Use Mistral Small 4 in the Synaps chat or through one OpenAI-compatible API key. Pay per message from a balance you top up with ETH or USDC. No subscription, no card.

No trainingReads images
Input / 1M tokens$0.180list $0.150
Output / 1M tokens$0.720list $0.600
Typical message≈ $0.00061.5K in · 500 out
Context window262Ktokens

Prices include the 20% Synaps fee and update automatically. “List” is what the provider charges.

Call Mistral Small 4 from code

Synaps speaks the OpenAI Chat Completions format. Point any OpenAI SDK at Synaps and set model to mistralai/mistral-small-2603.

cURL
curl https://www.synaps.chat/api/v1/chat/completions \
  -H "Authorization: Bearer $SYNAPS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mistralai/mistral-small-2603",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'
Python
from openai import OpenAI

client = OpenAI(base_url="https://www.synaps.chat/api/v1", api_key="syn_...")

reply = client.chat.completions.create(
    model="mistralai/mistral-small-2603",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)

Quickstart · API reference · Create an API key

Privacy

Synaps routes this model only to providers that don't store or train on your prompts.

Questions

How much does Mistral Small 4 cost on Synaps?

$0.180 per million input tokens and $0.720 per million output tokens, including the 20% Synaps fee. A typical chat message costs about $0.0006. You only pay for what you use.

Can I pay for Mistral Small 4 with crypto?

Yes. Top up your Synaps balance with ETH on Robinhood Chain or Base, or USDC on Base, from $1. Each message is deducted from that balance. There is no subscription or card.

Is there a Mistral Small 4 API?

Yes. Create an API key on Synaps and call mistralai/mistral-small-2603 through the OpenAI-compatible endpoint https://www.synaps.chat/api/v1/chat/completions. Any OpenAI SDK works by changing the base URL.

What can Mistral Small 4 do?

It accepts text, image and produces text, with a context window of 262K tokens. You can attach photos in the chat.

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Mistral Small 4 API — pay per message with crypto · Synaps