AgenticMarket
AnthropicProprietary APIReleased: 2026-05-27Claude Opus 4.8
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
ARCHITECTURE & LIMITS
BENCHMARK EVALUATIONS & CODE METRICS
Verified scores from SWE-bench and Artificial Analysis.
Independent coding benchmark evaluating syntax, algorithms, and code completion
Broad multi-domain reasoning, science, and knowledge retrieval
Autonomous multi-step tool use, API calling, and task execution
TOKEN COST CALCULATOR
Estimate production API costs for Claude Opus 4.8.
COMMUNITY ENGINEERING EVALUATIONS
Verified ratings across 4 core software engineering dimensions.
Refactoring accuracy, syntax correctness, and adherence to design patterns.
Zero hallucinations, strict constraint compliance, and negative prompt respect.
Time-to-first-token (TTFT) and throughput tokens per second.
Token pricing economics relative to intelligence quality and output volume.
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RECOMMENDED AGENT SKILLS FOR Claude Opus 4.8
boardroom
/cs:boardroom <brief> — 6-phase multi-role deliberation across the C-suite with Phase 2 isolation, critic pre-screen, and synthesis. Outputs a board memo. Use when a decision spans multiple executive domains — e.g. a pricing change touching finance, positioning, and product, or a raise-vs-cut runway call.
FREQUENTLY ASKED QUESTIONS ABOUT Claude Opus 4.8
What are the input and output token prices for Claude Opus 4.8?+
Claude Opus 4.8 costs $5.00 per 1M input tokens and $25.00 per 1M output tokens. Cached input reads cost $0.50 per 1M tokens.
Does Claude Opus 4.8 support tool calling and agent execution?+
Yes, Claude Opus 4.8 natively supports tool calling, parallel function execution, and structured agent workflows.
What is the context window of Claude Opus 4.8?+
Claude Opus 4.8 features an active context window of 1,000,000 tokens with a maximum single-turn output of 128,000 tokens.
What AI Agent Skills work best with Claude Opus 4.8?+
Because Claude Opus 4.8 is optimized for agentic tool calling and multimodal vision and code reasoning, it pairs well with Agent Skills like Boardroom, SEO Audit, and UI/UX Pro Max.