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Claude Opus 4.73


Claude Opus 4.73 is Anthropic logoAnthropic's language model. Anthropic's flagship large language model in the Claude 4 series, combining the Opus tier's highest capability level with extended reasoning and complex task performance.
Spec
Canonical IDanthropic-claude-4-73-opus
TypeLanguage
StatusActive
CreatorAnthropicAnthropic
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Opus 4.71.0M$5.00$25.00Available
Claude Opus 4.61.0M$5.00$25.00Available
Claude Opus 4.5410K$5.00$25.00Available
Claude Opus 4.1200K$15.00$75.00Deprecating
Claude Opus 4410K$15.00$75.00Deprecated
Claude Opus 4.73Current
Claude Opus 4Available
Claude Opus 4.1Available
Claude Opus 4.5Available
Claude Opus 4.6 AdaptiveAvailable
Claude Opus 3200K$15.00$75.00Deprecating

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Sonnet 4.6Sonnet1.0M$3.00$15.00
Claude Haiku 4.5Haiku200K$1.00$5.00
Claude Sonnet 4.5Sonnet1.0M$3.00$15.00
Claude Sonnet 4Sonnet1.0M$3.00$15.00
Claude Haiku 4.5Haiku
Claude Sonnet 4Sonnet
Claude Sonnet 4.1Sonnet200K$3.00$15.00
Claude Sonnet 4.5Sonnet
Claude Sonnet 4.6 AdaptiveSonnet
Claude Sonnet 4.6 Non-Reasoning Low EffortSonnet

Model IDs