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claude-sonnet-4.5 (Anthropic Enterprise Fast / Distilled)

by Anthropic
anthropic/claude-sonnet-4-5-anthropic-enterprise
17.5% off

claude-sonnet-4.5 (Anthropic Enterprise Fast / Distilled) is a text-input model by Anthropic, available through the AgentSky API as anthropic/claude-sonnet-4-5-anthropic-enterprise at $2.475 per million input tokens and $12.375 per million output tokens.

Dedicated Anthropic Enterprise Fast / Distilled 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/messages \
  -H "authorization: Bearer $AGENTSKY_API_KEY" \
  -H "content-type: application/json" \
  -H "anthropic-version: 2023-06-01" \
  -d '{"model":"anthropic/claude-sonnet-4-5-anthropic-enterprise","max_tokens":128,"messages":[{"role":"user","content":"In one sentence, what can you help me with?"}]}'

  3. Run it here, no terminal needed

    Billed to your balance: under $0.01.

  4. Or hand it to your agent

    Use claude-sonnet-4.5 (Anthropic Enterprise Fast / Distilled) through AgentSky.
Model id: anthropic/claude-sonnet-4-5-anthropic-enterprise
OpenAI-compatible base URL: https://gateway.agentsky.dev/v1 · Anthropic base URL: https://gateway.agentsky.dev
Docs: https://agentsky.dev/models/anthropic/claude-sonnet-4-5-anthropic-enterprise.md
Key: <your AgentSky API key>
SDK samples ↓API docs ↗

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.
MeterPer 1M tokens
InputOfficial price: $3.00Sale price: $2.475
OutputOfficial price: $15.00Sale price: $12.375
Cache readOfficial price: $0.3Sale price: $0.2475
Cache writeOfficial price: $3.75Sale price: $3.09375

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 Anthropic from "@anthropic-ai/sdk";

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

const message = await client.messages.create({
  model: "anthropic/claude-sonnet-4-5-anthropic-enterprise",
  max_tokens: 256,
  messages: [{ role: "user", content: "Summarise this ticket." }],
});
console.log(message.usage.cost); // USD, in the response

Questions