Helicone
This Benchgen model card explicitly names GPT-5 mini and documents its position within OpenAI's lineup. According to the page, GPT-5 mini is described as "OpenAI's cost-efficient tier of the GPT-5 family, released August 7, 2025," succeeding GPT-4o mini as the default high-throughput OpenAI model. The card reports a 19 The same Benchgen page lists GPT-5 mini as multimodal, with an "Updated knowledge cutoff (June 2025 vs GPT-4o mini's Oct 2023)," and notes the model "inherits the GPT-5 training approach — which emphasises both broad world knowledge and practical reasoning — at reduced scale and cost." Stated limitations on the page in