OpenAI
GPT 5.4 Pro
Chat
The gpt 5.4 pro api is a high-fidelity model designed for complex logic and backend coding. Known for solving historic math problems, this gpt provides deep technical accuracy for researchers and large institutions seeking stable pro output.

Modalities

Input: TextInput: ImageInput: Document
Output: Text

Context

API Usage Examples
curl --request POST "https://gptproto.com/v1/chat/completions" \
  --header "Authorization: Bearer $GPTPROTO_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "model": "gpt-5.4-pro",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'
GPT 5.4 Pro pricing

Estimate a request with real work scenarios. GPTProto token pricing is 20% below official rates.

Cost calculator

Short Q&A, no cache.
$24 / 1M$0.0288
$144 / 1M$0.0576
Cost per request$0.0864

Top up

GPTProto vs official pricing.
Requests
You pay
20% off
$100
You receive$100.00

Save$24.96 (20%)vs OpenAI official

gpt 5.4 pro api Key Features

Technical highlights of the gpt 5.4 pro api model.

High Prompt Fidelity

The gpt 5.4 pro api follows complex instructions without deviation, making it perfect for specific pro tasks where accuracy is mandatory.

Backend Refactoring

A gpt designed for deep code analysis. The 5.4 pro api identifies logic errors and streamlines backend scripts with professional precision.

Mathematical Reasoning

This gpt solves difficult research problems with elegant proofs. The 5.4 pro api is a top choice for academics and data scientists.

Low Hallucination Rate

Users report high satisfaction with the gpt 5.4 pro api due to its factual depth and reliable text generation in professional environments.

Related Models
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ModelInput → Output
GPT 5.4 ProCurrent
1.05M$24.00 / $144.00 per 1M—
Input: TextInput: ImageInput: Document
Output: Text
Gemini 3.7 Flash
—$0.45 / $2.25 per 1M— / $0.04 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Grok 4.6
500K$1.20 / $3.60 per 1M— / $0.30 per 1M
Input: TextInput: Image
Output: Text
Qwen3.8 Max
1M$1.80 / $5.40 per 1M$2.25 / $0.23 per 1M
Input: TextInput: ImageInput: VideoInput: Document
Output: Text
Claude Opus 5
1M$4.00 / $20.00 per 1M$5.00 / $0.40 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Gemini 3.6 Flash
1.05M$0.45 / $2.25 per 1M— / $0.04 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Gemini 3.5 Flash Lite
1.05M$0.18 / $1.50 per 1M$0.02 / $0.02 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Kimi K3
1.05M$2.70 / $13.50 per 1M$0.27 / $0.27 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.6 Luna
1.05M$0.16 / $0.96 per 1M$0.20 / $0.02 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.6 Terra
1.05M$1.60 / $9.60 per 1M$2.00 / $0.16 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.6 Sol
1.05M$4.00 / $24.00 per 1M$5.00 / $0.40 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Grok 4.5
500K$1.20 / $3.60 per 1M$0.30 / $0.30 per 1M
Input: TextInput: Image
Output: Text
Claude Sonnet 5
1M$1.60 / $8.00 per 1M$2.00 / $0.16 per 1M
Input: TextInput: Document
Output: Text
Minimax M3
1.05M$0.48 / $0.96 per 1M$0.10 / $0.10 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GLM 5.2
1.05M$1.26 / $3.96 per 1M$0.23 / $0.23 per 1M
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.1 Chat Latest
—$1.00 / $8.00 per 1M$0.10 / $0.10 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Claude Fable 5
1M$8.00 / $40.00 per 1M$10.00 / $0.80 per 1M
Input: TextInput: Document
Output: Text
Qwen3.7 Max
1M$0.36 / $1.44 per 1M$0.07 / $0.07 per 1M
Input: TextInput: Document
Output: Text
DeepSeek v4 Flash
—1.05M$0.44 / $1.32 per 1M— / $0.01 per 1M
Input: Text
Output: Text
DeepSeek v4 Pro
—1.05M$1.32 / $3.96 per 1M— / $0.04 per 1M
Input: Text
Output: Text
Grok 4.3
1M$0.75 / $1.50 per 1M$0.12 / $0.12 per 1M
Input: TextInput: Image
Output: Text
GPT 5.5 Pro
1.05M$24.00 / $144.00 per 1M—
Input: TextInput: ImageInput: Document
Output: Text
GPT 5.5
1.05M$4.00 / $24.00 per 1M$0.40 / $0.40 per 1M
Input: TextInput: ImageInput: Document
Output: Text
Kimi K2.6
262K$0.85 / $3.60 per 1M$0.14 / $0.14 per 1M
Input: TextInput: Document
Output: Text
GLM 5.1
205K$1.26 / $3.96 per 1M$0.23 / $0.23 per 1M
Input: TextInput: Document
Output: Text
GLM 5 Turbo
203K$1.08 / $3.60 per 1M$0.22 / $0.22 per 1M
Input: TextInput: Document
Output: Text
DeepSeek v3.2
164K$0.17 / $0.25 per 1M$0.02 / $0.02 per 1M
Input: Text
Output: Text
Minimax M2.5
205K$0.24 / $0.96 per 1M$0.30 / $0.02 per 1M
Input: TextInput: Document
Output: Text
Kimi K2.5
262K$0.54 / $2.70 per 1M$0.09 / $0.09 per 1M
Input: TextInput: Document
Output: Text
Qwen Turbo
—$0.04 / $0.18 per 1M$0.009 / $0.009 per 1M
Input: Text
Output: Text
Doubao Seed 1.6 Thinking 250715
262K$0.10 / $0.97 per 1M—
Input: TextInput: Image
Output: Text
Doubao Seed 1.6 Thinking 250615
262K$0.10 / $0.97 per 1M—
Input: TextInput: Image
Output: Text
Doubao Seed 1.6 Flash 250615
262K$0.02 / $0.18 per 1M—
Input: TextInput: Image
Output: Text

gpt 5.4 pro api FAQ

Answers about the gpt 5.4 pro api performance, costs, and coding capabilities.

How does gpt 5.4 pro api handle complex math?

The gpt 5.4 pro api uses advanced reasoning to solve historic problems, including proofs that require short, elegant logic chains. It is highly valued in the research community for its ability to tackle Erdős-level mathematical challenges where other models fail.

Is the gpt 5.4 pro api good for coding?

Yes, the gpt 5.4 pro api is highly effective for backend work and refactoring. It excels at understanding structural requirements, though users should be aware it may hit safety triggers during specific stress tests like memory overload simulations.

What is the prompt fidelity of this gpt?

This gpt stays remarkably faithful to your specific instructions. Unlike newer versions that may attempt to 'beautify' results, the 5.4 pro api delivers exactly what was requested, ensuring no mentioned details are lost or modified.

How fast is the gpt 5.4 pro api response?

The gpt 5.4 pro api prioritizes accuracy over speed. Expect longer thinking times—sometimes up to 20 minutes for high-complexity queries—compared to the speed bumps seen in newer iterations. This duration ensures the depth of the generated text.

Who should use the gpt 5.4 pro api?

Due to the premium cost, the gpt 5.4 pro api is best suited for researchers, large institutions, and corporations. It is ideal for users who need reliable, deep logic and a low hallucination rate for significant technical projects.

Does gpt 5.4 pro api struggle with UI tasks?

While excellent at backend logic and text generation depth, the gpt 5.4 pro api is notably less effective at UI/UX design tasks. Developers often find specialized versions more capable for frontend styling and visual layout prompts.

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