DEV QUICKSTART • 60 SECONDS

Working code in 60 seconds
curl · Python · JS

No marketing. Just code. Try Claude 4.7 + GPT-5 + Gemini 3 + DeepSeek-V3 with the same OpenAI-compatible API you already know.

1. Get free key (15 sec)

Sign in with Google at app.brainiall.com/quickstart. No credit card required. Get your brnl-... key.

2. curl (15 sec)

curl https://api.brainiall.com/v1/chat/completions \
  -H "Authorization: Bearer brnl-..." \
  -H "Content-Type: application/json" \
  -d '{
    "model": "claude-sonnet-4-6",
    "messages": [{"role": "user", "content": "Say hi in 5 words"}]
  }'

3. Python OpenAI SDK (15 sec)

pip install openai

# Then:
from openai import OpenAI

client = OpenAI(
    base_url="https://api.brainiall.com/v1",
    api_key="brnl-..."
)

# Pick any of 104 models:
response = client.chat.completions.create(
    model="gpt-5",  # or claude-sonnet-4-6, gemini-3-pro, deepseek-v3, llama-4-maverick
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

4. JavaScript / TypeScript (15 sec)

npm install openai

// Then:
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://api.brainiall.com/v1",
  apiKey: "brnl-..."
});

const response = await client.chat.completions.create({
  model: "claude-sonnet-4-6",
  messages: [{ role: "user", content: "Hello!" }]
});
console.log(response.choices[0].message.content);

5. Image generation (bonus)

response = client.images.generate(
    model="gemini-3-flash-image",  # or gpt-5-image, flux-2-klein, seedream-4-5
    prompt="A robot building a startup",
    size="1024x1024"
)
print(response.data[0].url)

Frameworks (drop-in compatible)

LangChain
LlamaIndex
Haystack
Cursor IDE
Continue.dev
Cline
Aider
Vercel AI SDK
n8n
Dify
Flowise
Quivr

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Full API docs · Pricing · Best LLM 2026