Claude Opus 4.6

proprietary

The most intelligent broadly available model for agents and coding

Intelligence
Reasoning
Speed
Context
1M
Max output
128K
Input price
$5.5/1M tokens
Output price
$27.5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Model IDclaude-opus-4-6@vertex
Provider Google Vertex AI
Creator Anthropic
Familyclaude-opus
Licenseproprietary
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output128K tokens
Reasoning tokens—
Knowledge cutoff
Training data cutoff
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Text tokensPer 1M tokens
InputCached inputOutput
Standard$5.5$0.55$27.5
Batch$2.75—$13.75

API

GET/v1/models/vertex/claude-opus-4-6@vertex

Claude Opus 4.6

claude-opus-4-6@vertex

The most intelligent broadly available model for agents and coding

Changes · 3 entries
claude-opus-4-6@vertexupdate2b100acMar 23, 2026, 05:30 AM
tools["function_calling"]
claude-opus-4-6@vertexupdate7a4f1f6Mar 22, 2026, 05:43 AM
pricinginput$5.5output$27.5cached input$0.55batch input$2.75batch output$13.75tiers[{"label":"Text tokens","unit":"Per 1M tokens","columns":...
model_typechat
claude-opus-4-6@vertexcreate7f5c66fMar 21, 2026, 05:16 AM