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GPT-5.4 Pro

Parameters

-

Context Length

272K

Modality

Multimodal

Architecture

Dense

License

Proprietary

Release Date

5 Mar 2026

Knowledge Cutoff

-

Evaluation Benchmarks

BenchmarkScoreRank

Web Development

medium
WebDev Arena

1442

45

General Text

high
Text Arena

1448

51

Rankings

Overall Rank

-

Coding Rank

-

About GPT-5.4 Pro

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.

Technical Specifications

Detailed architecture specifications are limited for proprietary models.

About GPT-5.4

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.


Other GPT-5.4 Models
GPT-5.4 Pro: Model Specifications and Details