GPT-5.1
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A to Z
- A · App
- Yes
- B · Built By
- OpenAI
- C · CEO & Politics
- Sam Altman — Independent; self-described 'politically homeless' (2025); former Democratic donor; $1M personal donation to Trump inaugural fund (2025)
- D · Date
- 2025
- E · Expertise
- Beginner (app available)
- F · Free Tier
- Yes
- G · Generates
- Images
- H · Deployment
- Cloud
- I · Inputs
- Text+Image+Audio
- J · Jurisdiction
- USA
- K · Key Staffers
- Sam Altman (CEO), Greg Brockman (President), Jakub Pachocki (Chief Scientist)
- L · Languages
- English-primary
- M · Model Type
- Multimodal LLM
- N · Safety Issues
- None reported
- O · Open Source
- Proprietary
- P · Pricing
- API: $1.25/M input, $10/M output (deprecated; shutdown Apr 1, 2027)
- Q · AIDb Rating
- 7/10 · AIDb v2.0 (curated): Capability 8/10 · Currency 4/10 · Access 7/10 · Significance 8/10 → 7.05
- R · What Makes It Special
- OpenAI's GPT-5.1 (November 12, 2025), an update to GPT-5 that came to ChatGPT as GPT-5.1 Instant, warmer, smarter and better at following instructions, able to decide when to think before responding, and GPT-5.1 Thinking, whose answers are easier to understand, alongside new personality presets such as Professional, Candid and Quirky; in the API it is a model for coding and agentic tasks with a 400K-token context at $1.25/$10 per million tokens. OpenAI removes it from the API April 1, 2027.
- S · Stock / Status
- Private (~$852B valuation, Mar 2026)
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- Yes
- W · Weights
- API only
- X · X Handle
- @OpenAI
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Proprietary Multimodal LLM from OpenAI, released 2025.
Data completeness 88% · Last verified 2026-06-11 · Primary source ↗
Cite this
“GPT-5.1.” AIDb — The AI Database. Verified 2026-06-11. https://theaidatabase.com/m/openai-gpt-5-1.html
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