reroute

Mistral: Mistral Small 4 (batch)

mistralai/mistral-small-2603:batch
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Mistral Small 4 is the next major release in the Mistral Small family, unifying the capabilities of several flagship Mistral models into a single system. It combines strong reasoning from...

Modalities
In / Out Price
$0.075 / $0.30 per 1M
Context
262K
Released
Mar 16, 2026
Knowledge Cutoff
—

API

Reroute speaks the OpenAI Chat Completions format. Point any OpenAI SDK at https://reroute.wtf/api/v1 and use mistralai/mistral-small-2603:batch as the model.

You need an API key
Keys start with sk-rr-v1- and are shown once.
Create API key
curl https://reroute.wtf/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $REROUTE_API_KEY" \
  -d '{
  "model": "mistralai/mistral-small-2603:batch",
  "messages": [
    { "role": "user", "content": "What is the meaning of life?" }
  ]
}'

Streaming

Set stream: true to receive server-sent events. The final chunk carries usage and cost.

curl -N https://reroute.wtf/api/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $REROUTE_API_KEY" \
  -d '{ "model": "mistralai/mistral-small-2603:batch", "stream": true,
        "messages": [{ "role": "user", "content": "Count to five" }] }'