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GPT-5 Nano

Tools
openai/gpt-5-nano

400K context · Aug 2025 · 7 upstreams

GPT-5 Nano is the fastest, most cost-efficient member of the GPT-5 family, optimized for summarization, classification, and other simple high-volume tasks. It supports a 400,000-token input context with 128,000 output tokens, text and image inputs, and exposes streaming, function calling, structured outputs, and tool integrations including web search, file search, image generation, code interpreter, and MCP. OpenAI recommends GPT-5.4 Nano for new speed- and cost-sensitive workloads.

Bring your own keyAnyRouter has no platform route for GPT-5 Nano. Requests use your key and bill your provider account. AnyRouter adds no fee.
context
400K
input / 1M (list)
$0.05
output / 1M (list)
$0.40
routes
7
speed, 24h
—

Upstreams

7
  1. 1OpenAIYour key · not addedyour planTPS —TTFT ——
  2. 2OpenCode ZenYour key · not addedyour planTPS —TTFT ——
  3. 3ClineYour key · not addedyour planTPS —TTFT ——
  4. 4Ramp RouterYour key · not addedyour planTPS —TTFT ——
  5. 5Vercel AI GatewayYour key · not addedyour planTPS —TTFT ——
  6. 6Nous ResearchYour key · not addedyour planTPS —TTFT ——
  7. 7OpenRouterYour key · not addedyour planTPS —TTFT ——
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Details

Owner
OpenAI
Kind
Vision
Released
Aug 2025
Context
400K
Data policy
Provider retention
Endpoint
/api/v1/chat/completions

Quick start

curl https://anyrouter.dev/api/v1/chat/completions \
  -H "Authorization: Bearer $ANYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "openai/gpt-5-nano",
  "messages": [
    {
      "role": "user",
      "content": "Say hi in 3 words."
    }
  ]
}'