Compatibility alias that routes to the newest version of Claude Opus. Currently routes to Claude Opus 5.
Added Mar 29, 2026
Context Window
1.0M
Max Output
128.0K
Input Price (Auto)
$5.00/1M
Output Price (Auto)
$25.00/1M
Cache Read (Auto)
$0.50/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and benchmarks
Sourced from Artificial Analysis.
Intelligence Index
52.0
Coding Index
76.5
Agentic Index
52.9
Reasoning
GPQA Diamond
Graduate-level scientific reasoning
93.7%
Better than 98% of models compared
HLE
Humanity's Last Exam
52.8%
Better than 98% of models compared
AA-LCR
Long context reasoning evaluation
79.0%
Better than 86% of models compared
GDPval-AA
Economically valuable tasks
56.7%
CritPt
Research-level physics reasoning
28.3%
Coding
SciCode
Python programming for scientific computing
55.4%
Better than 76% of models compared
Knowledge
AA-Omniscience Accuracy
Proportion of correctly answered questions
58.9%
AA-Omniscience Hallucination Rate
Rate of incorrect answers among non-correct responses
61.2%
Last updated Sep 7, 2026
Artificial AnalysisProviders
Auto routing is available for this model. Explicit provider selection is not available.
Loading provider options…
Related text models
Compare Claude Opus Latest with similar models from the same provider or model family.
Claude Opus 5
anthropic/claude-opus-5Claude Opus 5 is Anthropic's flagship model for advanced coding, long-running agentic tasks, research, and complex knowledge work.
Claude Opus 4.8
anthropic/claude-opus-4.8Anthropic Claude Opus 4.8 with text, image, and file inputs and a 1M-token context window.
Claude Opus 4.8 Thinking
anthropic/claude-opus-4.8:thinkingAnthropic Claude Opus 4.8 with thinking enabled.
Claude 4.7 Opus
anthropic/claude-opus-4.7Claude Opus 4.7 is a major upgrade for advanced software engineering, long-running complex tasks, and high-resolution vision understanding.
Claude 4.7 Opus Thinking
anthropic/claude-opus-4.7:thinkingClaude Opus 4.7 with thinking enabled (default budget: 16k tokens).
Claude 4.6 Opus
anthropic/claude-opus-4.6Claude Opus 4.6 is Anthropic's newest Opus model with stronger coding and agentic performance, plus support for up to a 1M-token context window.