AWS Bedrock

AWS Bedrock: Claude Sonnet 4.5 (Bedrock)

stable

Claude Sonnet 4.5 (Bedrock) is available through Everstack's OpenAI-compatible gateway with routing, fallback, retries, and observability.

anthropic.claude-sonnet-4-5-20250929-v1:0claude-4released Sep 29, 2025
ProviderQuick start
Context
200K
tokens
Max output
64K
tokens
Input
$3.00
per 1M
Output
$15.00
per 1M

Activity

Daily period usage
Aggregated managed Everstack traffic. Buckets below 5 tenants or 100 requests are withheld.

Providers

ProviderContextInput /MOutput /M
AWS Bedrock
AWS Bedrock
200K$3.00$15.00

Pricing

ItemPriceUnit
Input$3.00per 1M tokens
Output$15.00per 1M tokens
Cache read$0.30per 1M tokens
Cache write$3.75per 1M tokens

Performance

Reliability

Compare

Compare usage and performance
Place this model beside up to three other catalog models.

Capabilities

Capabilities
Modalities
Input
Output
Details
Model ID
anthropic.claude-sonnet-4-5-20250929-v1:0
Family
claude-4
Status
stable
Knowledge
-
Released
Sep 29, 2025
Gateway Config
API
2024-01-01
Auth
AWS_REGION
Discovery
static
Provider type
static

Quick Start

index.ts
import Everstack from "@everstack/node";const client = new Everstack({  apiKey: process.env.EVERSTACK_API_KEY!,  baseUrl: "https://{instance}.{region}.everstack.ai",});const completion = await client.chat.completions.create({  model: "@aws-bedrock/anthropic.claude-sonnet-4-5-20250929-v1:0",  messages: [{ role: "user", content: "Explain vector cache routing." }],});console.log(completion.choices[0]?.message?.content);

Endpoint

Base URL
https://bedrock-runtime.{region}.amazonaws.com
Chat completions
https://bedrock-runtime.{region}.amazonaws.com/chat/completions
Model
anthropic.claude-sonnet-4-5-20250929-v1:0
Auth env
AWS_REGION

Claude Sonnet 4.5 (Bedrock) FAQ

How much does the Claude Sonnet 4.5 (Bedrock) API cost?

Through AWS Bedrock, Claude Sonnet 4.5 (Bedrock) costs $3.00 per 1M input tokens and $15.00 per 1M output tokens.

What is the context window of Claude Sonnet 4.5 (Bedrock)?

Claude Sonnet 4.5 (Bedrock) accepts up to 200K tokens of context and returns up to 64K output tokens on AWS Bedrock.

What can Claude Sonnet 4.5 (Bedrock) do?

Claude Sonnet 4.5 (Bedrock) supports chat, function calling, image input and extended thinking. It accepts text, image and PDF input.

How do I call Claude Sonnet 4.5 (Bedrock) through Everstack?

Point any OpenAI-compatible SDK at your Everstack gateway and set the model to @aws-bedrock/anthropic.claude-sonnet-4-5-20250929-v1:0. Everstack adds retries, provider fallback, caching, per-tenant budgets and OpenTelemetry traces for every request.