Claude 3 Opus
claude-3-opus-20240229
Anthropic · chat · api
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Intelligence
Context
200K
Max output
4.1K
Input $/1M
$15.00
Output $/1M
$75.00
Modalities
text · image
Released
04 Mar 2024
Intelligence Index via Artificial Analysis · 0–100, higher is better
AI summary
● machine-written
Claude 3 Opus – Anthropic's most capable model, now deprecated.
Claude 3 Opus is Anthropic's flagship model from the Claude 3 family, released March 2024, designed for complex reasoning and high-intelligence tasks. It supports text and image inputs with a 200K context window and achieved near-human comprehension on expert-level benchmarks. The model is now deprecated in favor of newer Opus versions (4.5 and later).
What's new
- Achieves 99%+ accuracy on 'Needle in a Haystack' long-context recall evaluation
- Reduced refusal rates and improved contextual understanding versus Claude 2.1
- Vision capabilities for processing photos, charts, graphs, and technical diagrams
- Twofold improvement in accuracy on complex factual questions versus Claude 2.1
Best for
Complex reasoning and expert-level knowledge tasksAnalysis, forecasting, and nuanced content creationCode generation and non-English language conversationEnterprise knowledge bases with visual content (PDFs, flowcharts, slides)