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GPT-5

OpenAIProprietaryPending Human Review

The original GPT-5 API reasoning model combines coding, mathematics, instruction following, and tool-assisted work. Unlike the routed ChatGPT product, the API identity denotes the reasoning model with configurable minimal, low, medium, and high effort. It accepts text and images and generates text, supporting long documents and multi-step developer workflows.

2025-08-07
Unreleased
Undisclosed proprietary architecture
Proprietary

Specifications

Parameters
Unreleased
Architecture
Undisclosed proprietary architecture
License
Proprietary
Context Window
400,000 tokens
Max Output
128,000 tokens
Training Data Cutoff
Sep 30, 2024
Type
multimodal
Modalities
textimage

Benchmark Scores

Advanced Specifications

Model Family
GPT-5
API Access
Available
Chat Interface
Not Available
Variants
gpt-5-2025-08-07

Capabilities & Limitations

Capabilities
reasoningcodemathvisionstructured outputstool use
Known Limitations
Can produce incorrect factual claims or code; important results require independent verification.
Notable Use Cases
software engineeringdocument analysisreasoning assistants
Function Calling Support
Yes
Tool Use Support
Yes

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