opencheap.si
Credits

Google: Gemma 4 31B It

Google's Gemma 4 31B is a dense open-weight model of 30.7B parameters, the largest in the Gemma 4 family. Licensed under Apache 2.0, it reads text and images, writes text, supports tool use for agents, and can think before answering.

Price
Free10 requests a minute and 200 a day per key
Context
262K tokens

API

curl https://api.opencheap.si/v1/chat/completions \
  -H "Authorization: Bearer $OPENCHEAP_API_KEY" -H "Content-Type: application/json" \
  -d '{ "model": "opencheap/gemma-4-31b", "messages": [{ "role": "user", "content": "Hi" }] }'