Free LLM API — Access 147+ AI Models with No Credit Card
One API key. 147+ models including Llama 3, Mistral, Gemma, Qwen, DeepSeek, and more. OpenAI-compatible endpoints, streaming support, and a free tier of 10M tokens/month — no credit card required.
Supported Models
Access the world's leading open-source and frontier models through a single OpenAI-compatible API. All models available on the free tier.
| Model | Provider | Type | Input (per 1M tokens) | Output (per 1M tokens) |
|---|---|---|---|---|
| Llama 3.3 70B | Meta | Open | $0.12 | $0.30 |
| Llama 3.1 405B | Meta | Open | $0.40 | $1.20 |
| Mistral 7B | Mistral AI | Open | $0.04 | $0.12 |
| Mistral 8x22B | Mistral AI | Open | $0.18 | $0.54 |
| Gemma 2 27B | Open | $0.10 | $0.30 | |
| Qwen 2.5 72B | Alibaba | Open | $0.10 | $0.30 |
| DeepSeek V3 | DeepSeek | Open | $0.07 | $0.28 |
| DeepSeek R1 | DeepSeek | Open | $0.14 | $0.56 |
Showing 8 of 147+ available models. Browse all models →
Free Tier Limits
The free tier is designed to cover prototyping, personal projects, and small-scale applications. No time limit — your free allocation renews every month.
Code Examples
The AINative API is fully OpenAI-compatible. If you already use the OpenAI SDK, just change the base URL and model name.
OpenAI SDK (drop-in replacement)
from openai import OpenAI
client = OpenAI(
api_key="ain_...", # Your AINative API key
base_url="https://api.ainative.studio/v1",
)
response = client.chat.completions.create(
model="meta/llama-3.3-70b-instruct",
messages=[
{"role": "system", "content": "You are a helpful assistant."},
{"role": "user", "content": "Explain quantum entanglement simply."},
],
max_tokens=512,
)
print(response.choices[0].message.content)Node.js / TypeScript
import OpenAI from 'openai';
const client = new OpenAI({
apiKey: 'ain_...',
baseURL: 'https://api.ainative.studio/v1',
});
const response = await client.chat.completions.create({
model: 'mistralai/mistral-7b-instruct',
messages: [
{ role: 'user', content: 'What are the best practices for API design?' },
],
stream: true,
});
for await (const chunk of response) {
process.stdout.write(chunk.choices[0]?.delta?.content ?? '');
}curl — direct API call
curl https://api.ainative.studio/v1/chat/completions \
-H "Authorization: Bearer ain_..." \
-H "Content-Type: application/json" \
-d '{
"model": "google/gemma-2-27b-it",
"messages": [
{"role": "user", "content": "Write a Python function to reverse a string."}
],
"max_tokens": 256
}'Pricing Tiers
Start free, pay as you grow. All plans include the full model catalog. Token usage is billed at per-model rates shown in the model table above.
- ✓10M tokens/month
- ✓147+ models
- ✓No credit card
- ✓Rate limit: 60 RPM
- ✓Community support
- ✓500M tokens/month
- ✓147+ models
- ✓Priority routing
- ✓Rate limit: 600 RPM
- ✓Email support
- ✓5B tokens/month
- ✓147+ models
- ✓Dedicated capacity
- ✓Rate limit: 3,000 RPM
- ✓SLA + priority support
AINative vs OpenAI vs Anthropic Pricing
Open-source models on AINative are 10–25x cheaper than comparable closed-source alternatives. For many workloads, Llama 3.3 70B matches or exceeds GPT-4o quality at a fraction of the cost.
| Model | AINative | OpenAI equiv. | Anthropic equiv. |
|---|---|---|---|
| Llama 3.3 70B | $0.12/M | GPT-4o: $2.50/M | Sonnet: $3.00/M |
| Mistral 7B | $0.04/M | GPT-4o-mini: $0.15/M | Haiku: $0.25/M |
| DeepSeek R1 | $0.14/M | o1-mini: $3.00/M | N/A |
| Gemma 2 27B | $0.10/M | GPT-4o: $2.50/M | Sonnet: $3.00/M |
Prices shown are per 1M input tokens. Output tokens are billed separately. OpenAI and Anthropic prices as of 2026-06.
Frequently Asked Questions
Is the AINative LLM API really free?
Yes. AINative Studio offers a free tier with 10M tokens per month and no credit card required. Paid plans are available for higher volume with lower per-token pricing.
Which LLM models are available on the free tier?
All 147+ models are available on the free tier, including Llama 3.1/3.3, Mistral 7B/8x22B, Gemma 2, Qwen 2.5, DeepSeek V3/R1, and many more.
Is the AINative API compatible with the OpenAI SDK?
Yes. The AINative API follows the OpenAI chat completions format (/v1/chat/completions). You can use the official OpenAI Python or JavaScript SDK by setting base_url to https://api.ainative.studio/v1.
How does AINative pricing compare to OpenAI?
AINative is 10–25x cheaper for open-source models. Llama 3.3 70B runs at $0.12/M input tokens vs GPT-4o at $2.50/M. The free tier provides 10M tokens/month at no cost.
Do I need a credit card to get an API key?
No. You can sign up and get a working API key with just an email address. No credit card is required for the free tier.
Get your free API key in 30 seconds
No credit card. No sales call. 147+ models. 10M free tokens every month.