Claude Opus 5.5

Claude Opus 5.5 is Anthropic's flagship model, designed for demanding reasoning, coding and long-running agent tasks, and is the successor to Claude Opus 5. It excels at handling multi-step changes to large codebases, code review and bug detection, financial and scientific analysis, as well as interpreting dense charts, diagrams and screenshots. Compared with its predecessor, it is more rigorous when citing data and sources, ensuring that it only states verifiable information.

byAnthropicInput TypeOutput TypeContext Window1MMax Output128K

Providers

This model is available from multiple providers. Select one to see its pricing and sample code.

Claude Max

$1.2 / $6/ 1M tokens0.30× base price

Supported formatsAnthropic Messages

From Claude Max Membership

Pricing

Transparent pay-as-you-go pricing by token usage — no subscriptions or hidden fees.

Claude Max

claude-max/claude-opus-5-5

Prices forchange

Per 1M tokens

Input

Prompt and context tokens

$1.2

Output

Generated completion tokens

Cache read

Reused or stored prompt context

$0.06

Cache write · 5m

Reused or stored prompt context

$1.5

Cache write · 1h

Reused or stored prompt context

$2.4

Billing rules

Your charge is determined by actual usage and the parameters selected for the request. The prices below stay in sync with this model's current configuration.

How charges are calculated

Total = input token cost + output token cost + cache cost (when applicable)

This page shows billing rules and rates. Final charges are based on actual usage and applicable request parameters after a successful request.

Code

Copy an example below to start calling this model in minutes.

API / request example

Sample Code & API

Create API Key

import anthropic

client = anthropic.Anthropic(
    base_url="https://api.apipod.ai",
    api_key="<YOUR_API_KEY>",
)

message = client.messages.create(
    model="claude-max/claude-opus-5-5",
    max_tokens=1024,
    messages=[
        {
            "role": "user",
            "content": "What is the meaning of life?",
        }
    ],
)
print(message.content[0].text)

import anthropic client = anthropic.Anthropic( base_url="https://api.apipod.ai", api_key="<YOUR_API_KEY>", ) message = client.messages.create( model="claude-max/claude-opus-5-5", max_tokens=1024, messages=[ { "role": "user", "content": "What is the meaning of life?", } ], ) print(message.content[0].text)