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GPT 5.4 Mini (Fast)

gpt-mini Reasoning Tool Calling Attachments Structured Output

Strong small GPT for coding subagents, quick tool use, and high-volume work

Providers 1
Released Mar 17, 2026
Input Modalities text, image, pdf
Output Modalities text
Tarsk Use coding

Available Providers (1)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Vercel AI Gateway openai/gpt-5.4-mini-fast $1.50/MTok $9/MTok 400K 128K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output