How to Try DeepSeek V4, Qwen and GPT-5 for Free via TokenPAPA

One of the biggest frustrations when evaluating AI APIs is the commitment required. Most providers ask for a credit card upfront, minimum spend commitments, or complex approval processes — all before you have written a single line of code against their API.

TokenPAPA takes a different approach: free credits on signup, no credit card required, test any model immediately.

Here is exactly how to get started.

Step 1: Sign Up (30 seconds)

1. Go to tokenpapa.ai
2. Click "Sign Up" — you only need your email address
3. Verify your email

No Chinese phone number required. TokenPAPA is built for overseas developers. Signup takes about 30 seconds.

Step 2: Receive Your Free Credits

Immediately after verifying your email, free credits are added to your account. No credit card information needed — you can start evaluating models with zero financial commitment.

The free credits are enough to:

• Run 500+ chat completions on DeepSeek V4 Flash
• Generate 50+ pages of content with Qwen 3
• Test GPT-5 and Claude integration with your existing codebase
• Compare model performance across 10+ providers

Step 3: Generate Your API Key

From the dashboard, click "Create API Key." Copy the key — this is your single credential for all models. No separate keys for different providers.

Step 4: Make Your First API Call

TokenPAPA uses the OpenAI-compatible format, so any existing OpenAI SDK code works with a two-line change:

import openai

client = openai.OpenAI(
    base_url="https://api.tokenpapa.ai/v1",
    api_key="your-tokenpapa-key"
)

# Try DeepSeek V4 Flash
response = client.chat.completions.create(
    model="deepseek-v4-flash",
    messages=[
        {"role": "system", "content": "You are a helpful assistant."},
        {"role": "user", "content": "Explain how free trial credits work in 3 sentences."}
    ]
)
print(response.choices[0].message.content)

If you are using Node.js, the same approach works:

import OpenAI from 'openai';

const client = new OpenAI({
  baseURL: 'https://api.tokenpapa.ai/v1',
  apiKey: 'your-tokenpapa-key',
});

const response = await client.chat.completions.create({
  model: 'deepseek-v4-flash',
  messages: [{ role: 'user', content: 'Hello, what models can I try?' }],
});
console.log(response.choices[0].message.content);

And with curl:

curl https://api.tokenpapa.ai/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer your-tokenpapa-key" \
  -d '{
    "model": "deepseek-v4-flash",
    "messages": [{"role": "user", "content": "Which models are available for free trial?"}]
  }'

What You Can Test with Free Credits

Your free credits work across every model on the platform. Here is what 100 free credits gets you in terms of model calls:

What to Test During Your Trial

1. Model Quality Comparison

Run the same prompt across DeepSeek V4 Flash, Qwen 3, GPT-5 Mini, and Claude Haiku. Compare outputs for:

• Reasoning accuracy
• Code generation quality
• Chinese vs English language handling
• Response speed

2. Latency Benchmarks

Test time-to-first-token for each model. TokenPAPA provides real-time latency metrics in the dashboard so you can identify which models perform best for your use case.

3. Fallback Configuration

Try building a multi-provider fallback chain — if one model is slow or unavailable, your code automatically retries with another. Since all models use the same API format, implementing fallbacks is straightforward:

models = ["deepseek-v4-flash", "qwen-3-120b", "gpt-5.4-mini"]

for model in models:
    try:
        response = client.chat.completions.create(
            model=model,
            messages=[{"role": "user", "content": prompt}],
            timeout=10
        )
        print(f"{model}: {response.choices[0].message.content}")
        break
    except Exception:
        continue

When You Are Ready to Continue

When your free credits run out, you have options:

1. Pay-as-you-go — no minimum spend, no subscription. Top up any amount and pay only for what you use.
2. Monitor your usage — the dashboard shows real-time token consumption and cost. No surprise bills.
3. Set spending limits — configure alerts and hard caps so you never exceed your budget.

Start Today

No credit card. No Chinese phone. No VPN. Just free credits to try the models that matter to you.

Get your free credits →