Claude 3.5 Sonnet Pricing & Token Calculator (Anthropic)

Input / Prompt

$3.00/ 1M tokens

$0.0030 per 1K tokens

Output / Completion

$15.00/ 1M tokens

$0.0150 per 1K tokens

Prompt Cache Read

$0.30/ 1M tokens

Save 90% vs prompt

Batch Inference

$1.50/ 1M in

Save 50% via Batch API

Price Ratio

1 : 5.0

Prompt to completion factor

Regional Reach

1AWS Regions

Compare 1 regions ↓

Claude 3.5 Sonnet Spend Estimator

Model inference spend by prompt volume, cache hit rate, and batch processing.

Prompt Tokens (Millions / month)

M tokens

Completion Tokens (Millions / month)

M tokens

Prompt Cache Hit Rate(90% discount on cached context)

30%

Batch API Mode50% discount on non-realtime async jobs via S3

Estimated Monthly Spend

$0.00

Fresh Prompts:$0.00

Cached Prompts:$0.00

Completions:$0.00

Active: Input: $3.00/1M · Output: $15.00/1M

Key Cost Levers & Architecture

Practical mechanisms to reduce inference costs with Claude 3.5 Sonnet on AWS

Prompt CachingSave ~90%

Caches repetitive system instructions, schemas, and document prefixes in memory with a 5-minute TTL.

Read Rate: $0.30 / 1M tokens
Write Rate: $3.75 / 1M tokens
Ideal for: Multi-turn conversations, RAG document queries, structured schemas

Batch InferenceSave 50%

Asynchronous bulk processing submitted via Amazon S3 with a standard 24-hour turnaround SLA.

Batch Input: $1.50 / 1M tokens
Batch Output: $7.50 / 1M tokens
Ideal for: Offline classification, synthetic data generation, benchmark evals

Cross-Region & Tiers1 Regions

AWS Bedrock supports standard on-demand inference, priority reserved throughput, and cross-region routing.

Standard: Lowest latency, pay-per-token with zero commitments
Cross-Region Routing: Automatically burst traffic to available regional capacity
GovCloud: Dedicated isolated compliance partitions with +20% uplift

Regional Pricing Matrix

Live rates across all 1 available AWS cloud regions

Baseline: $3.00/1M in1 Global Regions

AWS Region	Prompt Input	Completion Output	Cache Read	Batch Input	Pricing Tier
US East (N. Virginia)`us-east-1`	$3.00/1M	$15.00/1M	$0.30/1M	$1.50/1M	Baseline

Developer Quickstart

Invoke Claude 3.5 Sonnet via Amazon Bedrock Converse API

Python (boto3) · Amazon Bedrock Runtime

import boto3

# Amazon Bedrock Converse API invocation
client = boto3.client("bedrock-runtime", region_name="us-east-1")

response = client.converse(
    modelId="anthropic.claude-3-5-sonnet-v1:0",
    messages=[
        {
            "role": "user",
            "content": [{"text": "Summarize key features and cost levers of Claude 3.5 Sonnet."}]
        }
    ],
    inferenceConfig={
        "maxTokens": 1024,
        "temperature": 0.7
    }
)

output_text = response["output"]["message"]["content"][0]["text"]
usage = response["usage"]
print(f"Response: {output_text}")
print(f"Usage: {usage['inputTokens']} in, {usage['outputTokens']} out")