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ModelLLMsvgpt-4.5-preview-2025-02-27

GPT-4.5

by OpenAI · unknown · Last verified 2026-03-17

GPT-4.5 is a hypothetical large language model from OpenAI, positioned as a research preview before GPT-5. It focuses on large-scale unsupervised learning to significantly reduce hallucinations and enhance factual accuracy. The model is also designed for improved creative writing and greater emotional intelligence in its responses.

https://openai.com/index/gpt-4-5-system-card/
B
BAbove Average
Adoption: B+Quality: A+Freshness: ACitations: BEngagement: F

Specifications

License
Proprietary
Pricing
unknown
Capabilities
Advanced Text Generation, Complex Reasoning, Multimodal Vision Analysis, High-Fidelity Creative Writing, Reduced Hallucination Rate, Advanced Function Calling, Code Generation and Debugging, Factual Accuracy Verification
Integrations
Use Cases
[object Object], [object Object], [object Object], [object Object]
API Available
Yes
Parameters
Undisclosed (largest dense model)
Context Window
128K tokens
Modalities
text, image
Training Cutoff
December 2024
Tags
llm, reasoning, multimodal, creative-writing, low-hallucination, openai, research-preview, factual-accuracy, emotional-intelligence, generative-ai
Added
2026-03-17
Completeness
0.7%

Index Score

64
Adoption
72
Quality
91
Freshness
82
Citations
68
Engagement
0

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