Verified AI Launch Profile
Introducing GPT-4.5
OpenAI released GPT-4.5 as a research preview of its strongest GPT chat model, emphasizing broader knowledge, creativity, and natural collaboration.
At a glance
Launch Snapshot
- Company
- OpenAI
- Launch date
- February 27, 2025
- Launch type
- Model Release
- Category
- AI Productivity Tools
- Audience
- Creators, Developers, Enterprises, Writers
- Pricing
- Launched for ChatGPT Pro and paid API users as a compute-intensive research preview; API preview access was later deprecated, so current availability must be checked against OpenAI docs.
- Free plan
- No
- API
- Yes
- Open weights/source
- No
Launch Context
Use these links to move from this record into the broader Launch Intelligence database.
Verification & Sources
- Status
- Verified
- Source links
- 4
- Freshness
- Verified June 8, 2026
- Last verified
- June 8, 2026
- Last updated
- June 11, 2026
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Kingy Scores
Scores are editorial review signals across launch quality, demo evidence, YouTube potential, and search readiness.
- Launch Score
- 8.5 / 10
- Demo Quality
- 3.0 / 10
- YouTube Potential
- Medium
Creator Coverage Next Steps
This launch has signals that may support demos, reviews, creator education, founder storytelling, or practical product explainers.
Kingy AI Take
A useful historical marker for the GPT scaling path, especially for writing quality and creative evaluation.
Who it is for
Developers and ChatGPT users exploring writing, programming, communication, brainstorming, and creative work.
What feels promising
GPT-4.5 is a useful historical marker for OpenAI scaling focused on broad knowledge, writing, creativity, and natural collaboration rather than explicit reasoning.
What feels unproven
The model was expensive and later deprecated in the API, so it should be covered as a historical launch, not as a default recommendation for new builds.
Traction notes
Notable as a high-end GPT-path model before GPT-4.1 became the lower-cost developer successor in the API.
Source-backed record
