Anthropic: Claude Opus 5

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Claude Opus 5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, released on 2026-07-25. It accepts text, image, and file inputs with text output, and is particularly strong at end-to-end software tasks — implementing features, code review and bug finding, multi-stage debugging — as well as visual analysis of documents and diagrams and coordinating multiple agents on complex deliverables. It sustains instruction-following and tool use across extended interactions and supports web search and prompt caching. Context window: 1M tokens, output: 128K. Available via OpenAI and Anthropic protocols through Ofox.

Context Window
1M
Max Output Tokens
128K
Released
2026-07-25
Capabilities
VisionFunction CallingReasoningPrompt CachingWeb SearchPDF Input
Available Providers
Bedrock
Supported Protocols
openaianthropic

Providers

Bedrock
Input Tokens
$5/M
Output Tokens
$25/M
Cache Read
$0.5/M
Cache Write (5 min)
$6.25/M
Cache Write (1 hour)
$10/M
Web Search
$0.015/R
Protocols
openai/v1/chat/completions/v1/responses
anthropic

Code Examples

import anthropic


client = anthropic.Anthropic(
    base_url="https://api.ofox.ai/anthropic",
    api_key="YOUR_OFOX_API_KEY",
)


message = client.messages.create(
    model="anthropic/claude-opus-5",
    max_tokens=1024,
    messages=[
        {"role": "user", "content": "Hello!"}
    ],
)


print(message.content[0].text)

Uptime & Status

Further Reading on Claude Opus 5

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Frequently Asked Questions

Anthropic: Claude Opus 5 on Ofox.ai costs $5/M per million input tokens and $25/M per million output tokens. Pay-as-you-go, no monthly fees.