Activefrontierllm Proprietary

Claude Opus 4.0

by Anthropic· Released May 2024· Cutoff April 2024

Claude Opus 4.0 is Anthropic's most powerful and intelligent model, designed for complex reasoning, coding, and analysis tasks. It excels at nuanced understanding, creative problem-solving, and maintaining long context coherence. As the flagship model in the Claude lineup, it sets the standard for performance across a wide range of benchmarks.

Official Site API Docs

Input cost

$15.00 per 1M tokens

Output cost

$75.00 per 1M tokens

Context window

200K tokens

Max output

4096 tokens

Modalities

textimage

License

proprietary

Capabilities

Function CallingVisionCode GenerationStreamingJSON ModeMultilingualLong ContextTool Use

Best For

Complex reasoning, advanced coding, and high-stakes analysis tasks requiring deep understanding and accuracy.

Strengths

Top-tier performance on reasoning and coding benchmarks
Excellent long-context understanding and recall
Strong safety and alignment with constitutional AI
Multilingual proficiency across dozens of languages

Limitations

Higher cost compared to other Claude models
Slower inference speed due to model size
Not available in all regions
Limited to text and image inputs (no audio/video)

Use Cases

Advanced code generation and debugging

Complex data analysis and report generation

Legal document review and summarization

Scientific research assistance and literature review

Strategic business analysis and decision support

Creative writing and content creation

Multilingual translation and localization

Improvements Over Previous Model

Context window increased from 100K to 200K tokens
Improved coding performance (HumanEval 92% vs 85% on Claude 3 Opus)
Enhanced multilingual capabilities with better non-English support
Reduced hallucination rates by approximately 40% compared to Claude 3 Opus
Faster inference with optimized infrastructure
Better instruction following and reduced refusal rates

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