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
B—Above 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
64Adoption
72
Quality
91
Freshness
82
Citations
68
Engagement
0