Parameters
-
Context Length
272K
Modality
Multimodal
Architecture
Dense
License
Proprietary
Release Date
5 Mar 2026
Knowledge Cutoff
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| Benchmark | Score | Rank |
|---|---|---|
Web Development medium | 1442 | 45 |
General Text high | 1448 | 51 |
Overall Rank
-
Coding Rank
-
GPT-5.4 Pro is OpenAI's maximum-performance variant of GPT-5.4, designed for the most complex tasks requiring the highest reasoning capacity. Achieves state-of-the-art results on ARC-AGI-2 (83.3%), BrowseComp (89.3%), GPQA Diamond (94.4%), and FrontierMath Tier 4 (38.0%). Pricing: $30/M input, $180/M output. Available via API as gpt-5.4-pro. Released March 5, 2026.
Detailed architecture specifications are limited for proprietary models.
GPT-5.4 is OpenAI's most capable and efficient frontier model for professional work, combining the industry-leading coding capabilities of GPT-5.3-Codex with major advances in reasoning, computer use, and agentic workflows. It introduces native computer-use capabilities, tool search for large tool ecosystems, substantially improved knowledge work (spreadsheets, presentations, documents), and is OpenAI's most factual and token-efficient reasoning model. Supports up to 1M context tokens in Codex. Released March 5, 2026.
APX AI
Online