Inference Space
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One API, All AI Models

Better prices, higher availability, no subscriptions. Access Claude, GPT and GPT Image 2 through a single OpenAI-compatible API.

8

Models Available

2

Capabilities

100.00%

Measured uptime

90%

Max cost savings

Why Inference Space?

🔗

One API for All Models

OpenAI SDK compatible. Switch between any model with one line of code.

💰

Unbeatable Pricing

TensorFusion GPU pooling technology delivers 40–90% cost savings. Only 5% platform fee.

🛡️

Highly Available

Multi-provider redundancy with automatic failover. 99.9% uptime SLA.

🎨

Multi-Modal

Text, image, speech, and video — all through a unified interface.

0 models · 0 live · 0 quantization

0

Models with real traffic in the last 7 days

We don't quietly swap models, quantize, or cache. Evaluation results come from real runs.

See the full proof

Popular Models

Access top AI models at unbeatable prices. All through one unified API.

Claude Opus 4.8

Claude

¥8.5

Input

¥42.5

Output

GPT-5.5

GPT

¥2.38

Input

¥14.28

Output

Claude Sonnet 4.6

Claude

¥5.1

Input

¥25.5

Output

GPT-5.4

GPT

¥1.19

Input

¥7.14

Output

Claude Haiku 4.5

Claude

¥1.7

Input

¥8.5

Output

GPT-5.4 Mini

GPT

¥0.36

Input

¥2.14

Output

Get Started in 3 Steps

1

Create Account

Sign up for free in seconds

2

Get API Key

Generate your API key from the dashboard

3

Make Your First Call

Use the OpenAI SDK — just change the base URL

quickstart.py
from openai import OpenAI

client = OpenAI(
    base_url="https://inf.tos.run/api/v1",
    api_key="sk-your-key",
)

response = client.chat.completions.create(
    model="gpt-5.4",
    messages=[{"role": "user", "content": "Hello!"}],
)