GPT-5.4
GPT-5.4 is a general model for professional work that brings reasoning, coding, and native computer interaction into one release. The Responses API supports computer use, tool search, and context compaction for extended agent workflows, alongside text and image input. Its expanded API context can hold large collections of documents, though platform limits and long-context pricing differ.
2026-03-05
Unreleased
Undisclosed proprietary architecture
Proprietary
Specifications
- Parameters
- Unreleased
- Architecture
- Undisclosed proprietary architecture
- License
- Proprietary
- Context Window
- 1,050,000 tokens
- Max Output
- 128,000 tokens
- Training Data Cutoff
- Aug 31, 2025
- Type
- multimodal
- Modalities
- textimage
Benchmark Scores
Advanced Specifications
- Model Family
- GPT-5
- API Access
- Available
- Chat Interface
- Not Available
- Variants
- gpt-5.4-2026-03-05
Capabilities & Limitations
- Capabilities
- reasoningcodecomputer usetool searchcontext compactionvision
- Known Limitations
- Can produce incorrect factual claims or code; important results require independent verification.
- Notable Use Cases
- professional agentssoftware engineeringlong document workflows
- Function Calling Support
- Yes
- Tool Use Support
- Yes