GPT-5.4 Mini is OpenAI's language model with a 1.1M context window and up to 128K output tokens, available from 4 providers, starting at $0.750 / 1M input and $4.50 / 1M output. A faster, cost-efficient variant of GPT-5.4 designed for high-volume workloads while retaining strong reasoning, vision, and tool-use capabilities.
Specifications
Canonical IDopenai-gpt-5-4-mini
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window1.1M tokens
Max Output128K tokens
Input ModalitiesImagePdfText
Output ModalitiesText
Reasoning Effortsdefaultnonexhigh
Release Date · 2 months ago
Knowledge Cutoff
Benchmarks
Intelligence Index
48.9
#25
Coding Index
GPQA
0.9
#26
HLE
0.3
#31
IFBench
0.7
#33
Time to First Token
4.09s
#427
SciCode
0.5
#18
LCR
0.7
#23
TerminalBench Hard
0.5
#6
TAU2
0.8
#92
Output TPS

Capabilities

Input3/5
Text
Image
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities7/13
Reasoning
Adaptive Reasoning·
Function Calling
Parallel Function Calling
Structured Outputs
Native JSON Schema
Web Search
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching
Assistant Prefill·

Pricing by Provider

ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / query
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Azure AI Foundry logo
Azure AI Foundry
openai:54mini
$0.750$4.50$0.075N/A$0.375N/A$0.037
OpenAI logo
OpenAI
gpt-5.4-mini
$0.750$4.50$0.075N/A$0.375$2.25$0.037
OpenRouter logo
OpenRouter
openai/gpt-5.4-mini
$0.750$4.50$0.075$0.010
Vercel AI Gateway logo
Vercel AI Gateway
openai/gpt-5.4-mini
$0.750$4.50$0.075N/A
View Azure AI Foundry

Cost Calculator

Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-5.4 Mini1.1M$0.750$4.50Current
GPT-5 Mini400K$0.250$2.00Available
GPT-5 Mini MediumAvailable
GPT-5.4 Mini MediumAvailable
GPT-5.4 Mini Non-ReasoningAvailable
GPT-5 Mini MinimalAvailable
GPT-4.1 Mini1.0M$0.400$1.60Deprecating
GPT-4o mini Transcribe16K$1.25$5.00Available
GPT-4o mini TTS$0.600$10.00Available
GPT-4o mini Search Preview128K$0.150$0.600Available
GPT-4o mini Audio128K$0.150$0.600Available

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
GPT-5.51.1M$5.00$30.00
GPT-5.4 NanoNano1.1M$0.200$1.25
GPT-5.41.1M$2.50$15.00
GPT-5.3 Codex400K$1.75$14.00
GPT-5.2 Codex400K$1.75$14.00
GPT-5.2410K$1.75$14.00
GPT-5.1410K$1.25$10.00
GPT-5.1 Codex400K$1.25$10.00
GPT-5.1 Codex Mini400K$0.250$2.00
GPT-5 Codex400K$1.25$10.00

Model IDs