Claude Opus Latest
Compatibility alias that routes to the newest version of Claude Opus. Currently routes to Claude Opus 5.5.
- Reasoning
- Vision
- Native PDF input
- Tool Calling
- Structured Output
Added Mar 29, 2026
Pricing
Auto routing · per 1M tokens- Input
- $4.00
- Output
- $20.00
- Cache read
- $0.20
Specifications
- Context window
- 1M
- Max output
- 128K
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Intelligence Index
53.6
Agentic work
AutomationBench-AA
Workflow automation with guardrail penalties
63.2%
Better than 90% of models compared
AutomationBench-AA Tasks Completed
Fully completed workflows without guardrail violations
33.8%
Better than 92% of models compared
Harvey LAB-AA v1.1
Legal tasks fully passed without material hallucinations
4.2%
Better than 68% of models compared
AA-Briefcase v1.1
Agentic knowledge work (Elo)
1686 Elo
Better than 97% of models compared
GDPval-AA v2.1
Economically valuable tasks (Elo)
1704 Elo
Better than 96% of models compared
Document reasoning
GDP.pdf
Professional PDF reasoning: all-pass rate
28.8%
Better than 95% of models compared
AA-LCR v1.1
Long context reasoning with updated grading
82.7%
Better than 94% of models compared
MLCR-AA
Medical long-context reasoning
66.7%
Better than 97% of models compared
Reasoning
HLE
Humanity's Last Exam
55.6%
Better than 99% of models compared
Coding
Terminal-Bench v4.0
Practical coding and terminal tasks
56.6%
Better than 96% of models compared
SciCode
Python programming for scientific computing
60.4%
Better than 96% of models compared
Legacy benchmarks
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
82.7%
Better than 94% of models compared
Last updated Oct 20, 2026
Artificial AnalysisProviders
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Reliability
Last 3 days