GPT-5.4 Mini by OpenAI — Pricing, Benchmarks & Real Outputs
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Compare GPT-5.4 Mini
Alternatives to GPT-5.4 Mini
GPT-5.4 Mini is good. These would like a word anyway.
GPT-5.4 Mini is good. These would like a word anyway.
GPT-5.4 Mini is good. These would like a word anyway.
GPT-5.4 Mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding, and tool use, while reducing latency and cost for large-scale deployments. The model is designed for production environments that require a balance of capability and efficiency, making it well suited for chat applications, coding assistants, and agent workflows that operate at scale.
fromimport openai OpenAI
client = OpenAI(
"https://openrouter.ai/api/v1" base_url=,
"$OPENROUTER_API_KEY" api_key=,
)
response = client.chat.completions.create(
"openai/gpt-5.4-mini" model=,
"role""user""content""Hello!" messages=[{: , : }],
)
print(response.choices[0].message.content)Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.
Also on Azure AI Foundry
The efficient staff engineer who ships clean PRs at 2x speed. Follows instructions precisely, produces structured output, and never wastes a paragraph. Ethics are considered but presented with clinical brevity.
Does exactly what you ask with minimal fuss. Character voices are short and clean but lack depth. Sentience dialogue is structured and philosophical but reads like a well-organized essay rather than a real conversation. Comedy relies on observational humor about adult life. Picks The Godfather, which is safe and canonical. The throughline is competence without surprise.
Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.
Unique words vs. total words. Higher = richer vocabulary.
Average words per sentence.
"Might", "perhaps", "arguably" per 100 words.
**Bold** markers per 1,000 characters.
Bullet and numbered list items per 1,000 characters.
Markdown headings per 1,000 characters.
Emoji per 1,000 characters.
"However", "moreover", "furthermore" per 100 words.
48 outputs from GPT-5.4 Mini
GPT-5.4 Mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding, and tool use, while reducing latency and cost for large-scale deployments. The model is designed for production environments that require a balance of capability and efficiency, making it well suited for chat applications, coding assistants, and agent workflows that operate at scale.
fromimport openai OpenAI
client = OpenAI(
"https://openrouter.ai/api/v1" base_url=,
"$OPENROUTER_API_KEY" api_key=,
)
response = client.chat.completions.create(
"openai/gpt-5.4-mini" model=,
"role""user""content""Hello!" messages=[{: , : }],
)
print(response.choices[0].message.content)Set OPENROUTER_API_KEY with your OpenRouter API key from openrouter.ai/keys.
Also on Azure AI Foundry
The efficient staff engineer who ships clean PRs at 2x speed. Follows instructions precisely, produces structured output, and never wastes a paragraph. Ethics are considered but presented with clinical brevity.
Does exactly what you ask with minimal fuss. Character voices are short and clean but lack depth. Sentience dialogue is structured and philosophical but reads like a well-organized essay rather than a real conversation. Comedy relies on observational humor about adult life. Picks The Godfather, which is safe and canonical. The throughline is competence without surprise.
Taste is judged on an uncapped scale, originality first. The space past 100 is craft today's models rarely reach.
Unique words vs. total words. Higher = richer vocabulary.
Average words per sentence.
"Might", "perhaps", "arguably" per 100 words.
**Bold** markers per 1,000 characters.
Bullet and numbered list items per 1,000 characters.
Markdown headings per 1,000 characters.
Emoji per 1,000 characters.
"However", "moreover", "furthermore" per 100 words.
48 outputs from GPT-5.4 Mini