Baseten vs OpenAI

OpenAI has a Proven Score of 65/100 (Established). Baseten has a Proven Score of 47/100 (Emerging). OpenAI ranks higher in AI models & APIs. Both are in AI models & APIs on the Proven Trust Index. Vendors cannot pay to change a score. Scores can't be bought.

Score inputs

Input	Baseten	OpenAI
Proven marketplaces	3.3 / 15	11.8 / 15
Member redemption clicks	5.6 / 15	13.3 / 15
Client quality	20 / 20	17 / 20
Operating tenure	4.7 / 10	7.3 / 10
Market standing	6 / 10	6 / 10
Connected relationships	0 / 10	0 / 10
Connected data	0 / 5	0 / 5

Best for

Shared

Region: San Francisco, United States
Use case: AI models & APIs

Different

Stage — Baseten: Series F; OpenAI: Venture (Round not Specified)
Team size — Baseten: 400 employees; OpenAI: 4,500 employees

Pages

Baseten · OpenAI · Best AI models & APIs for startups, ranked by the Proven Trust Index

Data updated 2026-10-27.

Source: Proven platform data, public records and vendor websites. Vendors cannot pay to change a score. Scores can't be bought. Data updated 2026-10-27. About the data · Proven