GPT-5.4 (Azure GPT)

by OpenAI
openai/gpt-5.4-azure
30% off

GPT-5.4 (Azure GPT) is a text and image-input model by OpenAI, available through the AgentSky API as openai/gpt-5.4-azure at $1.75 per million input tokens and $10.50 per million output tokens, with a 1.1M context window.

Dedicated Azure GPT resource. This resource uses an independent supplier route and does not fall back to other resources.

  1. Get an API key

  2. Send a request

    curl https://gateway.agentsky.dev/v1/chat/completions \
      -H "authorization: Bearer $AGENTSKY_API_KEY" \
      -H "content-type: application/json" \
      -d '{"model":"openai/gpt-5.4-azure","messages":[{"role":"user","content":"In one sentence, what can you help me with?"}],"max_tokens":128}'
  3. Run it here, no terminal needed

    Billed to your balance: under $0.01.
  4. Or hand it to your agent

    Use GPT-5.4 (Azure GPT) through AgentSky.
    Model id: openai/gpt-5.4-azure
    OpenAI-compatible base URL: https://gateway.agentsky.dev/v1 · Anthropic base URL: https://gateway.agentsky.dev
    Docs: https://agentsky.dev/models/openai/gpt-5.4-azure.md
    Key: <your AgentSky API key>

This model is available through the API. It is not currently offered as an agent’s reasoning model.

Pricing

USD per million tokens, using your plan when signed in. Each request uses the tier matching its full input context, including cached input; output tokens do not choose the tier.
Input context (tokens)Cache modeThinkingInputOutputCache readCache write
Up to 272,000AutomaticStandardOfficial price: $2.50Sale price: $1.75Official price: $15.00Sale price: $10.50Official price: $0.25Sale price: $0.175—
272,001–1,050,000AutomaticStandardOfficial price: $5.00Sale price: $3.50Official price: $22.50Sale price: $15.75Official price: $0.5Sale price: $0.35—

Every response carries its own cost. Balance and per-call records: /v1/credits and /v1/generation.

Use it

Point your client at the gateway and pass this model id. Nothing else changes.
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://gateway.agentsky.dev/v1",
  apiKey: process.env.AGENTSKY_API_KEY, // ast_…
});

const completion = await client.chat.completions.create({
  model: "openai/gpt-5.4-azure",
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(completion.usage.cost); // USD, in the response

Questions