Free Gemini 2.5 Flash API

curl https://generativelanguage.googleapis.com/v1beta/openai/chat/completions \
  -H "Authorization: Bearer $GEMINI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gemini-2.5-flash","messages":[{"role":"user","content":"List three ways to evaluate a free AI API."}]}'

from openai import OpenAI

client = OpenAI(base_url="https://generativelanguage.googleapis.com/v1beta/openai", api_key="GEMINI_API_KEY")
response = client.chat.completions.create(
    model="gemini-2.5-flash",
    messages=[{"role": "user", "content": "List three ways to evaluate a free AI API."}],
)
print(response.choices[0].message.content)