GPT-5.4 Pro
ActiveGPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...
Overview
GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...
History
GPT-5.4 Pro became available via the OpenAI API on 2026-03-05.
Training & availability
OpenAI has not released the underlying model weights — access is via their hosted API only.
Capabilities
-
Context window: 1.1M tokens.
-
Input modalities: text, image, file.
Recommended for: vision, long-context.
Limitations
- At $180.00/1M output tokens, this is in the premium tier — verify cost-per-value for high-volume workloads.
Pricing
- Input: $30.0000 per 1M tokens
- Output: $180.0000 per 1M tokens
Use the cost calculator above to estimate monthly spend for your workload.
Quick start
Minimal example using the openai API. Copy, paste, replace the key.
from openai import OpenAI
client = OpenAI(api_key="sk-...")
resp = client.chat.completions.create(
model="gpt-5-4-pro",
messages=[{"role": "user", "content": "Explain quantum computing in one sentence."}],
)
print(resp.choices[0].message.content)Cost calculator
Estimate your monthly bill. Presets are typical workload sizes.
Integrations & tooling support
- Tool calling
- Not supported
- Structured outputs
- Not supported
Price vs quality
This model has no benchmark scores recorded yet.
Community ratings
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Comments
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