anoman

OpenAI

GPT-5.4

modelgpt-5.4
MidStableVisionStreamingVisionToolsBatchLong contextUnited States

Context

1.1M

Input / 1M tokens

$2.50

Output / 1M tokens

$15.00

About this model

GPT-5.4

GPT-5.4 is OpenAI's mid-tier flagship — near-GPT-5.5 quality at half the price. The default workhorse choice when you want strong reasoning without paying premium rates.

Released

2026-01

Training cutoff

2024-11

Parameters

Not disclosed

Best for

Use cases

  • Production AI assistants
  • Multi-step reasoning at scale
  • Document analysis + extraction
  • Tool-using agents

Strengths

What it does well

  • Near-5.5 quality at significantly lower cost
  • 1M-token context window
  • Strong tool calling + structured output
  • Reliable at high throughput

Limitations

Know the trade-offs

  • !Trails 5.5 on the very hardest reasoning
  • !Output tokens $15/Mtok — set max_tokens carefully

Code example

Chat completion with GPT-5.4

from openai import OpenAI

client = OpenAI(
    base_url="https://api.anoman.io/v1",
    api_key="anm-sk-..."
)

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

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Use GPT-5.4 through Anoman.