openai
OpenAI GPT-5.3-Codex
openai/gpt-5.3-codex
Input$1.75 /1M tokens
·Output$14.00 /1M tokens
GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
Code Examples
import requests
response = requests.post(
"https://neurongate.net/v1/chat/completions",
headers={
"Authorization": "Bearer ng-your-api-key",
"Content-Type": "application/json"
},
json={
"model": "openai/gpt-5.3-codex",
"messages": [
{"role": "user", "content": "Hello!"}
]
}
)
print(response.json()["choices"][0]["message"]["content"])Pricing Details
| Example | Cost |
|---|---|
| 1K input tokens (short prompt) | $0.00175 |
| 1K in + 500 out (typical response) | $0.00875 |
| 10K in + 2K out (document analysis) | $0.0455 |
| 100K in + 10K out (large context) | $0.3150 |
Prices in USD. Billed per actual token usage. Prepay with USDT, USDC, ETH, or BTC.
Frequently Asked Questions
Capabilities
Streaming
YesFunction Calling / Tools
YesVision (Image Input)
YesAudio Processing
NoContext Window
400K tokens
~300K words of text
Max output
128K tokens
Modalities
Input
textimagefile
Output
text