GPT-5.4 High is OpenAI's language model with a 1.1M context window and up to 128K output tokens, starting at $2.50 / 1M input and $15.00 / 1M output. A high-effort reasoning configuration of the GPT-5.4 LLM tuned for maximum accuracy on complex tasks.
Specifications
Canonical IDopenai-gpt-5-4-high
TypeLanguage
StatusActive
CreatorOpenAIOpenAI
Providers
Context Window1.1M tokens
Max Output128K tokens
Input ModalitiesImage
Output ModalitiesText
Reasoning Effortsdefault

Capabilities

Input1/5
Text·
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
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

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Aihubmix
aihubmix/gpt-5.4-high
$2.50$15.00$0.25

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
GPT-6 Sol1.1M$2.00$10.00Available
GPT-6 Luna1.1M$0.100$0.500Available
GPT-6 Astra1.1M$10.00$50.00Available
GPT-5.6 Sol1.1M$2.00$10.00Available
GPT-5.6 Terra1.1M$2.00$12.00Available
GPT-5.6 Luna1.1M$0.200$1.20Available
GPT-5.51.1M$5.00$30.00Available
GPT-5.4 Mini400K$0.750$4.50Available
GPT-5.4 Nano400K$0.200$1.25Available
GPT-5.41.1M$2.50$15.00Available
GPT-5.4 High—1.1M$2.50$15.00Current

Model IDs

aihubmix/gpt-5.4-high
openai-gpt-5-4-high