gpt-5.4-mini

Common Name: GPT-5.4 Mini

OpenAI
Released on Mar 17 12:00 AMKnowledge Cutoff Aug 1, 2025 12:00 AMSupportedTool InvocationSupportedReasoning
Reasoning#3Terminal#5
CompareTry in Chat

OpenAI's most capable small model. Fast and efficient for coding, reasoning, and multimodal tasks. Approaches GPT-5.4 performance at lower cost and latency.

Specifications

Context
400K
Maximum Output
128K
Inputtext, image
Outputtext

Performance (7-day Average)

Collecting…
Collecting…
Collecting…

Pricing

Input$0.83/MTokens
Cached Input$0.08/MTokens
Output$4.95/MTokens

Availability Trend (24h)

Performance Metrics (24h)

Similar Models

GPT-5 Chat

$1.38/$11.00/M
ctx400Kmax128Kavail—tps—
InOutCap

GPT-5 Chat points to the GPT-5 snapshot currently used in ChatGPT. GPT-5 is our next-generation, high-intelligence flagship model. It accepts both text and image inputs, and produces text outputs.

GPT-5.1 CodeX

$1.38/$11.00/M
ctx400Kmax128Kavail—tps—
InOutCap
Coding#5

GPT-5.1-Codex is a version of GPT-5 optimized for agentic coding tasks in Codex or similar environments. It's available in the Responses API only and the underlying model snapshot will be regularly updated. If you want to learn more about prompting GPT-5-Codex, refer to our dedicated guide

GPT-5.1 CodeX Max

$0.25/$2.00/M-80%
ctx400Kmax128Kavail—tps—
InOutCap
Terminal#8

GPT-5.1-Codex-Max is a version of GPT-5.1-Codex with enhanced capabilities for agentic coding tasks.