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LLMS • CURATED • UPDATED MAY 28, 2026

Claude Opus 4.8

Anthropic's powerful enterprise model from May 2026

Claude Opus 4.8 is Anthropic's high-capability model released on May 28, 2026. It targets autonomous software engineering, long-document analysis, and complex reasoning with strong instruction following and extended context support.

QUICK FACTS

Pricing Paid
Platforms web, api
API No
Open Source No
Modalities LLMs, IDEs & Coding Tools
Best For Best for Enterprise Reasoning
Date Added 2026-05-28

QUICK TIPS

1 Use detailed system prompts to set style and constraints
2 Break large tasks into milestones for better reliability
3 Upload full documents to leverage long context
4 Pair with Claude Sonnet for faster, cheaper subtasks
5 Review code changes carefully on autonomous runs

SIMILAR TOOLS

Claude Opus 4.6 Google Antigravity 2.0 NotebookLM Cursor 2.0 OpenAI Codex

USE CASE EXAMPLES

Analyzing Legal Contracts

Extract obligations, risks, and terms from lengthy contracts.

STEPS:
  1. Upload the contract documents
  2. Ask for a structured summary of key terms
  3. Request identification of risks and anomalies
  4. Cross-reference clauses across multiple files
  5. Export findings to a spreadsheet or memo

Autonomous Code Refactor

Refactor a large module across many files with minimal guidance.

STEPS:
  1. Describe the refactor goal and constraints
  2. Provide the relevant codebase context
  3. Let Claude plan the changes
  4. Review and approve each file edit
  5. Run tests and iterate on failures

PRICING

Paid

Requires a paid subscription.

📚

FEATURED IN GUIDES

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EXPLORE ALTERNATIVES

View Claude Opus 4.8 Alternatives (2026) →

Compare Claude Opus 4.8 with 5+ similar llms AI tools.

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FREQUENTLY ASKED QUESTIONS

Q

Is Claude Opus 4.8 free?

A

No, Claude Opus 4.8 requires a paid subscription.

Q

Does Claude Opus 4.8 have an API?

A

No, Claude Opus 4.8 does not appear to offer a public API.

Q

What is Claude Opus 4.8 best for?

A

Claude Opus 4.8 is best for Best for Enterprise Reasoning.

Q

What platforms does Claude Opus 4.8 support?

A

Claude Opus 4.8 supports web, api.

Q

Is Claude Opus 4.8 open source?

A

No, Claude Opus 4.8 is not open source.

Q

What can I do with Claude Opus 4.8?

A

Claude Opus 4.8 is designed for Enterprise reasoning, Long-document analysis, Autonomous coding. Claude Opus 4. Key strengths include Strong reasoning and instruction following and Extended context for large documents and codebases.

Q

How do I use Claude Opus 4.8?

A

Claude Opus 4.8 is a large language model for text generation, analysis, and conversation. Access through the web interface. Enter prompts or questions to get responses. It excels at strong reasoning and instruction following.