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Buy OpenAI API

Cheapest OpenAI API pricing. Instant API key activation. Pay with USDT/USDC — no credit card required. OpenAI-compatible endpoint.

💰 From $0.10/1M⚡ Instant API Key🚫 No Credit Card💎 USDT & USDC🔌 OpenAI-Compatible

🎁 Free Trial Available · ⚡ Instant API Access · 🚫 No Credit Card Required

Try OpenAI API Instantly (No Credit Card Required)

Get started in 30 seconds — free test tokens, no payment upfront. Pay only when ready.

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OpenAI-compatible endpoint.

Python — try OpenAI free in 30 secondsmodel: "gpt-4.1-nano"

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.apiyihe.org/v1"
)

response = client.chat.completions.create(
    model="gpt-4.1-nano",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

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Benchmark Evidence: GPT-4.1 Nano vs Gemini 2.5 Flash Lite

Side-by-side evidence to support your decision. Pricing and specs are factual; benchmark scores reflect official provider publications where available.

Metric	GPT-4.1 Nano	Gemini 2.5 Flash Lite
Input price (1M)	$0.10	$0.10
Output price (1M)	$0.40	$0.40
Context window	1M	1M
Function calling	✅ Yes	❌ No
Vision	❌ No	✅ Yes
Est. P95 latency	200–400ms*	200–400ms*

* Estimated P95 latency derived from model price tier — smaller/cheaper models typically respond faster. Benchmark scores marked N/A are not publicly disclosed by the provider.

Best For — Use Case Proof

Best for long-context summarization

1M context window

Best for API cost optimization

$0.10/1M input — ultra-low cost

Best for AI agents & tool use

Function/tool calling supported

Real API Behavior

Streaming support	✅ Supported (SSE)
Function calling	✅ Supported
JSON mode	✅ Supported
Error rate (typical)	< 0.1% — stable production tier
Timeout handling	OpenAI-compatible: max_tokens cap + client-side retry/backoff
Rate limits	10K RPM

All capabilities accessed through the OpenAI-compatible endpoint https://api.apiyihe.org/v1. Error rates reflect production stability of active models.