Claude Opus 4.1

deprecatedproprietary

Succeeded by claude-opus-4-8

Intelligence
Reasoning
Speed
Context
200K
Max output
32K
Input price
$15/1M tokens
Output price
$75/1M tokens
Alias ofclaude-opus-4-1

Capabilities

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

Details

Model IDclaude-opus-4-1-20250805
Provider Anthropic
Creator anthropic
Familyclaude-opus
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window200K tokens
Max input—
Max output32K tokens
Reasoning tokens—
Thinking modesExtended
Knowledge cutoff
Training data cutoff
Release date
Deprecation date
Retirement date
Successorclaude-opus-4-8
Priority tierYes
AWS Bedrock IDanthropic.claude-opus-4-1-20250805-v1:0
GCP Vertex IDclaude-opus-4-1@20250805
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
$15
Output
$75
Cache write (5m)
$18.75
Cache write (1h)
$30
Cache read
$1.5
Batch in
$7.5
Batch out
$37.5

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-4-1-20250805

Claude Opus 4.1

deprecated
claude-opus-4-1-20250805
alias → claude-opus-4-1
Changes · 10 entries
claude-opus-4-1-20250805updateca7a400Nov 2, 2026, 03:02 AM
statusactive→deprecated
deprecation_date2026-06-05
successorclaude-opus-4-8
claude-opus-4-1-20250805updated68a4f1Jun 10, 2026, 02:10 AM
statusactive→deprecated
deprecation_date2026-06-05
successorclaude-opus-4-8
claude-opus-4-1-20250805updateeab58fcApr 17, 2026, 02:18 AM
pricingcache write 1h$30
extended_thinkingyes
release_date2025-08-05
thinking_modes["extended"]
bedrock_idanthropic.claude-opus-4-1-20250805-v1:0
vertex_idclaude-opus-4-1@20250805
retirement_date2026-08-05
claude-opus-4-1-20250805updatef43e286Mar 24, 2026, 04:45 AM
capabilitiesstructured outputyesjson modeyesbatchyes
claude-opus-4-1-20250805update2b100acMar 23, 2026, 05:30 AM
licenseproprietary
open_weightno
page_urlhttps://docs.anthropic.com/en/docs/about-claude/models#cl...
claude-opus-4-1-20250805update7a4f1f6Mar 22, 2026, 05:43 AM
performance5
reasoning5
extended_thinkingyes
training_data_cutoff2025-03
priority_tieryes
model_typechat
claude-opus-4-1-20250805updateb50649fMar 21, 2026, 11:58 PM
tools["function_calling","computer_use","mcp"]
endpoints["messages"]
claude-opus-4-1-20250805update2801e21Mar 21, 2026, 07:41 PM
pricingcache write$18.75
claude-opus-4-1-20250805updatec9a70c5Mar 21, 2026, 08:12 AM
knowledge_cutoffJan 2025→2025-01
claude-opus-4-1-20250805create7f5c66fMar 21, 2026, 05:16 AM