FrontierAnthropic
Claude Opus 4
Context
200K tokens
Pricing
$15/M input, $75/M output
Modalities
text, image, code
Released
May 2025
- Overview
- Anthropic's most capable model, built for complex reasoning, extended thinking, and tasks that demand sustained multi-step analysis. Claude Opus 4 sets a new bar for frontier intelligence with a 200K context window.
- Why it matters
- Opus 4 is the model you reach for when the problem is genuinely hard — multi-document synthesis, nuanced legal analysis, PhD-level research, or agentic workflows that run for minutes. Its extended-thinking mode lets it 'show its work' on complex chains of reasoning, which matters for regulated industries that need auditable AI decisions. For investors, Opus 4 represents Anthropic's flagship competitive positioning against OpenAI's o3 and Google's Gemini 2.5 Pro — the model that justifies enterprise contracts.
Key strengths
- Best-in-class extended thinking and multi-step reasoning
- 200K token context window
- Superior performance on complex agentic tasks
- Strong safety and instruction-following alignment
- Excellent at nuanced, long-form analysis
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