---
id: "openai/gpt-5.4-mini"
also: ["openai/gpt-5.4-mini-20260317", "requesty/openai/gpt-5.4-mini", "vercel/openai/gpt-5.4-mini"]
card_usd_per_m: "0.75 in, 4.5 out, at openai"
cheapest_list_usd_per_m: "0.375 in, 2.25 out, at openai/flex on openrouter"
cheapest_effective_usd_per_m: "0.0616 in, 2.2496 out, at openai/flex on openrouter"
context: 400000
max_output: 128000
input: ["file", "image", "text"]
output: ["text"]
released: "2026-03-17"
reasoning: ["xhigh", "high", "medium", "low", "none"]
api: ["/api/v1/chat/completions", "/api/v1/completions", "/api/v1/messages", "/api/v1/responses"]
params: ["include_reasoning", "max_completion_tokens", "max_tokens", "reasoning", "reasoning_effort", "response_format", "seed", "stop", "structured_outputs", "temperature", "tool_choice", "tools", "verbosity"]
endpoints: 12
gateways: "openrouter (6), requesty (4), vercel (2)"
no_training: 11
trains: 0
retains_prompts: 5
coding: 56.1000
agentic: 17.9000
---
# OpenAI: GPT-5.4 Mini

GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding, and tool use, while reducing latency and cost for large-scale deployments.