GPT-5.4 Proon Krater.ai
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
Released March 5, 2026
Specifications
GPT-5.4 Pro at a glance
Context
1.1M tokens
Max output
128K tokens
Input
Text, Image, File
Output
Text
Input price
$30.00 / 1M
Output price
$180.00 / 1M
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Live ChatGPT statusCapabilities
What it is good at
Catalog capabilities
- Accepts image input
- Generates text responses
- Supports tool calling
- Supports structured outputs
Good for
Compare
Compare GPT-5.4 Pro
GPT-5.4 Pro vs GPT-4o (2024-11-20)
The 2024-11-20 version of GPT-4o offers a leveled-up creative writing ability with more natural, engaging, and tailored writing to improve relevance & readability.
Open comparisonGPT-5.4 Pro vs GPT-5.1 (batch)
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5.
Open comparisonGPT-5.4 Pro vs GPT-5.2 Pro (batch)
GPT-5.2 Pro is OpenAI’s most advanced model, offering major improvements in agentic coding and long context performance over GPT-5 Pro.
Open comparisonFAQ
Questions about GPT-5.4 Pro
Clear answers based on the model catalog and Krater access.