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gpt-5-nano

GPT-5 Nano is our fastest, cheapest version of GPT-5. It's great for summarization and classification tasks.

🧠Reasoning🔧Tool calling⚡Caching
Try gpt-5-nanoCompareDocs

Specifications

Context window200K tokens
Max output100K tokens
API typechat
AddedApr 16, 2025
Model IDazure/gpt-5-nano@swedencentral
Data retentionNo
Used for trainingNo
Provider location🇺🇸 US / 🇪🇺 EU
Privacy policyMicrosoft Privacy Statement→

Benchmarks

Benchmarks haven't been published yet for this exact variant.

Some variants (region-specific deployments, highspeed tiers) share benchmarks with their base model — check the base model page or the Microsoft Azure AI models overview.

Pricing

Input / 1M
$0.05
Output / 1M
$0.40
Cache write / 1M
$0.05
Cache read / 1M
$0.0050
Estimated cost
100K input + 10K output$0.0090
1M input + 100K output$0.0900
10M input + 1M output$0.90

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-nano@swedencentral.

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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-nano@swedencentral",
    messages=[
        {"role": "user", "content": "Explain quantum computing in one paragraph."},
    ],
)

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

Other Microsoft Azure AI models

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@eastus2
1.1M ctx$2.50/1M
SWE-Bench 82%
gpt-5.4
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1.1M ctx$2.50/1M
SWE-Bench 82%
gpt-5.4
@francecentral
1.1M ctx$2.50/1M
SWE-Bench 82%
gpt-5.5
@eastus2
1.1M ctx$5.00/1M
gpt-5.5
@swedencentral
1.1M ctx$5.00/1M
openai-responses/gpt-5.5
@swedencentral
1.1M ctx$5.00/1M

Frequently asked questions

How much does gpt-5-nano cost?
gpt-5-nano is priced at $0.05 per million input tokens and $0.40 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-nano?
gpt-5-nano has a context window of 200K tokens, with a maximum output of 100K tokens per response. That's roughly 267 words of input you can fit in a single prompt.
What can gpt-5-nano do?
gpt-5-nano supports tool calling, extended reasoning, prompt caching. You can call it through any OpenAI-compatible client by pointing base_url to Requesty.
How do I use gpt-5-nano 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-nano@swedencentral". The Quickstart above shows Python, JavaScript and cURL snippets.
What region is this deployment?
This variant of gpt-5-nano is deployed in swedencentral. Region-specific endpoints matter for data residency, latency to your users, and compliance requirements (GDPR, HIPAA). Other regions for the same model may be listed on the Microsoft Azure AI provider page.

Access gpt-5-nano 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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