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
$5/1M tokens
Output price
$25/1M tokens

Capabilities

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

Details

Model IDclaude-opus-4-6
Provider Anthropic
Creator anthropic
Familyclaude-opus
Licenseproprietary
Statusactive
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1M tokens
Max input—
Max output128K tokens
Max output (batch)300K tokens
Reasoning tokens—
Thinking modesAdaptive
Knowledge cutoff
Training data cutoff
Release date
Retirement date
Priority tierYes
AWS Bedrock IDanthropic.claude-opus-4-6-v1
GCP Vertex IDclaude-opus-4-6
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs
Computer Usecomputer_use
Control a virtual desktop
MCPmcp
Connect to Model Context Protocol servers

Endpoints

MessagesPOST
Create messages with multi-turn conversationshttps://api.anthropic.com/v1/messages

Pricing

Input
$5
Output
$25
Cache write (5m)
$6.25
Cache write (1h)
$10
Cache read
$0.5
Batch in
$2.5
Batch out
$12.5
Fast mode (beta, research preview)
Input
$30
Output
$150

Family Comparison: claude-opus

ModelContextMax outPricing
Claude Opus 5.51M128K$4$20
Claude Opus 4.5200K64K$5$25
Claude Opus 4.61M128K$5$25
Claude Opus 4.71M128K$5$25
Claude Opus 4.81M128K$5$25
Claude Opus 51M128K$5$25
Claude Opus 3——$15$75
Claude Opus 4200K32K$15$75
Claude Opus 4.1200K32K$15$75

API

GET/v1/models/anthropic/claude-opus-4-6

Claude Opus 4.6

claude-opus-4-6

The most intelligent broadly available model for agents and coding

Changes · 13 entries
claude-opus-4-6updateca7a400Nov 2, 2026, 03:02 AM
thinking_modes["extended"]→["adaptive"]
release_date2026-02-05
claude-opus-4-6update70e2981Sep 24, 2026, 11:29 AM
tools["function_calling"]→["function_calling","computer_use","mcp"]
thinking_modes["extended","adaptive"]→["adaptive"]
release_date2026-02-05
claude-opus-4-6update88d97e5Jun 30, 2026, 04:49 AM
tools["function_calling","computer_use","mcp"]→["function_calling"]
claude-opus-4-6updatebbc8212May 29, 2026, 12:04 AM
thinking_modes["extended"]→["extended","adaptive"]
claude-opus-4-6updateeab58fcApr 17, 2026, 02:18 AM
pricingcache write 1h$10
extended_thinkingyes
adaptive_thinkingyes
thinking_modes["extended"]
bedrock_idanthropic.claude-opus-4-6-v1
vertex_idclaude-opus-4-6
retirement_date2027-02-05
batch_max_output_tokens300000
fast_mode_pricinginput30output150
claude-opus-4-6update5c578c7Apr 8, 2026, 03:30 PM
descriptionThe most intelligent model for building agents and coding→The most intelligent broadly available model for agents a...
claude-opus-4-6updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesstructured outputyesjson modeyesbatchyes
claude-opus-4-6update2b100acMar 23, 2026, 05:30 AM
licenseproprietary
open_weightno
page_urlhttps://docs.anthropic.com/en/docs/about-claude/models#cl...
claude-opus-4-6update7a4f1f6Mar 22, 2026, 05:43 AM
performance5
reasoning5
extended_thinkingyes
training_data_cutoff2025-08
adaptive_thinkingyes
priority_tieryes
model_typechat
claude-opus-4-6updateb50649fMar 21, 2026, 11:58 PM
taglineThe most intelligent model for building agents and coding
tools["function_calling","computer_use","mcp"]
endpoints["messages"]
claude-opus-4-6update2801e21Mar 21, 2026, 07:41 PM
pricingcache write$6.25
claude-opus-4-6updatec9a70c5Mar 21, 2026, 08:12 AM
knowledge_cutoffMay 2025→2025-05
claude-opus-4-6create7f5c66fMar 21, 2026, 05:16 AM