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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.

ReasoningTool callingCachingJSON schema
Try gpt-5.4-miniCompareDocs

Specifications

Context window400K tokens
Max output128K tokens
API typechat
AddedMar 17, 2026
Model IDazure/gpt-5.4-mini
Data retentionNo
Used for trainingNo
Provider location🇺🇸 US / 🇪🇺 EU
Privacy policyMicrosoft Privacy Statement→

Benchmarks

Released 2026-03-17
Coding Indexcoding
51.5%

Artificial Analysis Coding Index — a composite of coding evaluations including LiveCodeBench, SciCode and Terminal-Bench.

GPQA Diamondreasoning
87.5%

Graduate-level physics, chemistry & biology questions designed to resist Googling.

Intelligence Indexreasoning
40.0%

Artificial Analysis Intelligence Index — a composite of multiple evaluations measuring overall model capability.

Scores are sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and do not capture every aspect of model quality. Always test on your own workload.

Pricing

Input / 1M
$0.75
Output / 1M
$4.50
Cache write
N/A
Cache read / 1M
$0.07
Estimated cost
100K input + 10K output$0.12
1M input + 100K output$1.20
10M input + 1M output$12.00

Requesty charges exactly what the upstream provider charges, no markup, no per-request fees. Prompt caching and smart routing can reduce effective cost by 30-80%.

Quickstart

Drop-in compatible with the OpenAI SDK. Change the base URL, swap in your Requesty API key, and set the model to azure/gpt-5.4-mini.

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from openai import OpenAI

client = OpenAI(
    api_key="YOUR_REQUESTY_API_KEY",
    base_url="https://router.requesty.ai/v1",
)

response = client.chat.completions.create(
    model="azure/gpt-5.4-mini",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

print(response.choices[0].message.content)

Other Microsoft Azure AI models

gpt-5.5
@eastus2
1.1M ctx$5.00/1M
Coding 59
gpt-5.5
@swedencentral
1.1M ctx$5.00/1M
Coding 59
openai-responses/gpt-5.5
@eastus2
1.1M ctx$5.00/1M
Coding 59
openai-responses/gpt-5.5
@swedencentral
1.1M ctx$5.00/1M
Coding 59
gpt-5.4-mini
@eastus2
400K ctx$0.75/1M
Coding 52
gpt-5.4
1.1M ctx$2.50/1M
Coding 57

Frequently asked questions

How much does gpt-5.4-mini cost?
gpt-5.4-mini is priced at $0.75 per million input tokens and $4.50 per million output tokens when accessed via Requesty. Prompt caching is supported, which can cut effective input cost by up to 90% on repeated context. Requesty charges exactly what the upstream provider charges, we don't add markup.
What is the context window of gpt-5.4-mini?
gpt-5.4-mini has a context window of 400K tokens, with a maximum output of 128K tokens per response. That's roughly 533 words of input you can fit in a single prompt.
How does gpt-5.4-mini perform on benchmarks?
gpt-5.4-mini scores 87.5% on GPQA Diamond, 83.3% on τ²-Bench, 52.3% on Terminal-Bench Hard. See the full benchmark chart above for results across MMLU Pro, GPQA Diamond, SWE-Bench Verified, HumanEval, MATH, AIME, MMMU, and LiveBench.
What can gpt-5.4-mini do?
gpt-5.4-mini supports tool calling, extended reasoning, prompt caching, structured outputs (JSON schema). You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use gpt-5.4-mini with the OpenAI SDK?
Install the OpenAI SDK, set base_url to "https://router.requesty.ai/v1", set your API key to your Requesty key, and set the model to "azure/gpt-5.4-mini". The Quickstart above shows Python, JavaScript and cURL snippets.
Can I run gpt-5.4-mini through Requesty?
Yes. gpt-5.4-mini runs through Requesty's OpenAI-compatible API, served from Microsoft Azure AI. You do not host the model yourself: point base_url at Requesty, set the model to "azure/gpt-5.4-mini", and requests are routed to the upstream provider with automatic failover. The same key gives you 400+ other models too.

Access gpt-5.4-mini through Requesty

One API key, 400+ models, OpenAI-compatible. No markup on provider prices, automatic failover, and smart caching built-in.

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