Claude 2.1
Amazon Bedrock token pricing and cost optimization reference for Claude 2.1.Rates normalized to USD per 1 Million Tokens ($/1M) with prompt caching and batch API discounts across 2 AWS regions.
anthropic.claude-2-1-v1:0On Google Cloud Vertex AI
Vertex AI isn't shown for Claude 2.1: Anthropic's models are priced there per geography and context band, and this catalog publishes Claude on Amazon Bedrock only.
Alternatives to Claude 2.1
| Option | Price vs Claude 2.1 | Why look at it |
|---|---|---|
| Claude Opus 5Compare → | input-37%-$3.00/1M output+4%+$1.00/1M Standard tier, per 1M tokens | Next step down in price from Anthropic (flagship tier) |
| Claude Mythos 5.1Compare → | input+25%+$2.00/1M output+108%+$26.00/1M Standard tier, per 1M tokens | Next step up in price from Anthropic (flagship tier) |
| Claude 2.0Compare → | inputsame price outputsame price Standard tier, per 1M tokens | Same General line, different version |
| Claude Opus 5.5Compare → | input-50%-$4.00/1M output-17%-$4.00/1M Standard tier, per 1M tokens | Also from Anthropic (flagship tier) |
Claude 2.1 Spend Estimator
Model inference spend by prompt volume, cache hit rate, and batch processing.
Key Cost Levers & Architecture
Practical mechanisms to reduce inference costs with Claude 2.1 on AWSCaches repetitive system instructions, schemas, and document prefixes in memory with 5-minute and extended 1-hour TTL tiers.
- Read Rate: $2.00 / 1M tokens
- Write Rate (5m TTL): $10.00 / 1M tokens
- Ideal for: Multi-turn conversations, RAG document queries, structured schemas
Asynchronous bulk processing submitted via Amazon S3 with a standard 24-hour turnaround SLA.
- Batch Input: $4.00 / 1M tokens
- Batch Output: $12.00 / 1M tokens
- Ideal for: Offline classification, synthetic data generation, benchmark evals
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
Rates by region
Live rates across all 2 available AWS cloud regionsDeveloper Quickstart
Invoke Claude 2.1 via Amazon Bedrock Converse APIimport boto3
# Amazon Bedrock Converse API invocation
client = boto3.client("bedrock-runtime", region_name="us-east-1")
response = client.converse(
modelId="anthropic.claude-2-1-v1:0",
messages=[
{
"role": "user",
"content": [{"text": "Summarize key features and cost levers of Claude 2.1."}]
}
],
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")