Context Length
400K
Max Output
128K
Published
March 17, 2026
Knowledge Cutoff
August 31, 2025
Model / Completion Ratio
0.375 / 6.00
GPT-5.4 mini enhances the advantages of GPT-5.4 in a faster and more efficient model, specifically designed for high-load workloads.
Different token groups have different prices. Unit: Million tokens (M)
/v1/chat/completions
/v1/responses