GPT-5.4

40% cheaperprompt caching

gpt-5.4

Get an API key

INPUT / 1M$1.50list $2.50

OUTPUT / 1M$9.00list $15.00

CACHE READ / 1M$0.150repeated tokens 90% cheaper

CONTEXT272Ktokens per request

Call this model

from openai import OpenAI

client = OpenAI(
    api_key="sk-ak-...",
    base_url="https://apikey.sh/v1",
)

resp = client.chat.completions.create(
    model="gpt-5.4",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)

Specifications

ProviderOpenAI

CategoryBalanced

Context272K tokens

Max output32.8K

Endpoint/v1/chat/completions

toolsreasoningstreamingcache

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