GPT-5 Nano on Vercel AI Gateway

GPT-5 · OpenAI

Serverless

Last refreshed 2026-06-29. Next refresh: weekly.

Why use GPT-5 Nano on Vercel AI Gateway?

Vercel AI Gateway offers GPT-5 Nano with pay-as-you-go pricing at $0.05/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.

Compare GPT-5 Nano across 4 providers to find the best fit for your use case
Input / 1M
$0.050
Output / 1M
$0.40
Cache
read $0.005
Batch
Not sourced

Setup recipe

Python + curl
Install
pip install openai
Auth
export AI_GATEWAY_API_KEY=...
Call
import os
from openai import OpenAI
client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
Model ID
openai/gpt-5-nano

Request example

import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["AI_GATEWAY_API_KEY"],
    base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
    model="openai/gpt-5-nano",
    messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)

Gotchas

  • Use provider model ID "openai/gpt-5-nano", not the LLMReference slug "gpt-5-nano".
  • creator/model-name e.g. kwaipilot/kat-coder-pro-v2
  • The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.

Compare GPT-5 Nano Across Providers

ProviderInput (per 1M)Output (per 1M)
Replicate API$0.05$0.40
OpenRouter$0.05$0.40
OpenAI API$0.05$0.40
Vercel AI Gateway$0.05$0.40

Pricing

TypePrice (per 1M)
Input tokens$0.05
Output tokens$0.40
Query$10.00

Capabilities

VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt CachingBatch API

About GPT-5 Nano

Fastest, cheapest GPT-5 variant for summarization and classification tasks. Also available via Realtime API.

Get Started

Model Specs

Released2025-08-07
Context400k
ArchitectureDecoder Only
Knowledge cutoff2024-05

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