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  1. Anthropic
  2. claude-opus-5-5

claude-opus-5-5

Claude Opus 5.5

Context Length

1M

Max Output

128K

Input and Output

Published

September 22, 2026

Knowledge Cutoff

June 2026

Model / Completion Ratio

2 / 5

Description

Claude Opus 5.5 is built for long-running agentic coding and knowledge work

Features

Reasoning
Tool calling
Structured output
File attachments

Available Groups

Different token groups have different prices. Unit: Million tokens (M)

Token GroupGroup RatioInput PriceOutput PriceCache ReadCache write (5m)Cache write (1h)
claude_cc

Claude性价比 (来源-claude code或Kiro)

0.8x$3.2/M$16/M$0.16/M$4/M$6.4/M
claude_kiro

Claude性价比 (来源-逆向kiro)

0.35x$1.4/M$7/M$0.07/M$1.75/M$2.8/M
claude_max

Claude性价比 (来源-max号 质量最好)

1x$4/M$20/M$0.2/M$5/M$8/M

Service tier pricing

Requests with a service_tier are billed at the matching price, per million tokens (M)

service_tierInput PriceOutput PriceCache ReadCache write (5m)Cache write (1h)
fast$6.4/M$32/M$0.32/M$8/M$12.8/M

Supported Endpoints

openaiPOST
anthropicPOST