Claude Opus 4.8 (JP) API
About
Build advanced reasoning agents with Claude Opus 4.8 (JP), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $5.00/1M input and $25.00/1M output tokens, native tool calling support. Access Claude Opus 4.8 (JP) via the Amazon Bedrock API with up to 128K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
128K
Tokens
Pricing
Standard (per 1M tokens)
Input
$5.00
Output
$25.00
Caching (per 1M tokens)
Read
$0.50
Write
$6.25
Frequently Asked Questions
Claude Opus 4.8 (JP) by Amazon Bedrock costs $5.00 per 1M input tokens and $25.00 per 1M output tokens. Cached reads cost $0.50 per 1M tokens. Cache writes cost $6.25 per 1M tokens.
Model Details
ID
jp.anthropic.claude-opus-4-8
Provider
Amazon BedrockFamily
claude-opus
Release Date
May 28, 2026
Knowledge Cutoff
Jan 1, 2026
API Integration
NPM Package
@ai-sdk/amazon-bedrock
Environment Variables
AWS_ACCESS_KEY_ID
AWS_SECRET_ACCESS_KEY
AWS_REGION
AWS_BEARER_TOKEN_BEDROCK