Claude Opus 3

deprecatedproprietary

Succeeded by claude-opus-4-7

Input price
$15/1M tokens
Output price
$75/1M tokens

Capabilities

Reasoning & Interaction
Tool Calling
Infrastructure
Streaming
Batch Processing

Details

Model IDclaude-3-opus
Provider Anthropic
Creator anthropic
Familyclaude-opus
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext, image
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window—
Max input—
Max output—
Reasoning tokens—
Knowledge cutoff—
Release date
Successorclaude-opus-4-7
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

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-3-opus

Claude Opus 3

deprecated
claude-3-opus
Changes · 8 entries
claude-3-opusupdateeab58fcApr 17, 2026, 02:18 AM
pricingcache write 1h$30
claude-3-opusupdate655eec1Apr 16, 2026, 02:46 PM
successorclaude-opus-4-6→claude-opus-4-7
claude-3-opusupdatef43e286Mar 24, 2026, 04:45 AM
capabilitiesbatchyes
statusdeprecated
successorclaude-opus-4-6
claude-3-opusupdate2b100acMar 23, 2026, 05:30 AM
licenseproprietary
open_weightno
page_urlhttps://docs.anthropic.com/en/docs/about-claude/models#cl...
claude-3-opusupdate7a4f1f6Mar 22, 2026, 05:43 AM
model_typechat
claude-3-opusupdateb50649fMar 21, 2026, 11:58 PM
tools["function_calling"]
endpoints["messages"]
claude-3-opusupdate2801e21Mar 21, 2026, 07:41 PM
pricingcache write$18.75
claude-3-opuscreate7f5c66fMar 21, 2026, 05:16 AM