Anthropic: Claude Opus 5.5

Claude

Multimodal

Paid

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...

Parameters

Context Window

1,000,000

tokens

Input Price

per 1M tokens

Output Price

$20

per 1M tokens

Capabilities

Model capabilities and supported modalities

Performance

Reasoning

Excellent reasoning capabilities with strong logical analysis

Math

Capable of solving most mathematical problems accurately

Coding

Specialized in code generation with excellent programming capabilities

Knowledge

Good knowledge foundation across many domains

Modalities

Input Modalities

text,image,file

Output Modalities

text

LLM Price Calculator

Calculate the cost of using this model

Input Tokens (0.00000400/token)$0.006000

Output Tokens (0.00002000/token)$0.060000

Common Scenarios:

Input Cost:$0.006000

Output Cost:$0.060000

Total Cost:$0.066000

Estimated usage: 4,500 tokens

Monthly Cost Estimator

Based on different usage levels

Light Usage

$0.2400

~10 requests

Moderate Usage

$2.4000

~100 requests

Heavy Usage

$24.0000

~1000 requests

Enterprise

$240.0000

~10,000 requests

Note: Estimates based on current token count settings per request.

Last Updated: 2026/09/30