Claude Opus Latest is Anthropic's language model with a 1.0M context window and up to 128K output tokens, starting at $5.00 / 1M input and $25.00 / 1M output. A routing alias that always resolves to the most capable model in Anthropic's Claude Opus family, suited for complex reasoning and nuanced tasks.
Specifications
Canonical IDanthropic-claude-opus
TypeLanguage
StatusActive
CreatorAnthropicAnthropic
Providers
Context Window1.0M tokens
Max Output128K tokens
Input ModalitiesImageText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 2 months ago

Capabilities

Input2/5
Text
Image
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities4/13
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·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Cache Write 5m
$ / 1M
Web Search
$ / request
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~anthropic/claude-opus-latest
$5.00$25.00$0.5$6.25$0.010

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Opus 4.81.0M$5.00$25.00Available
Claude Opus 4.8 Fast1.0M$10.00$50.00Available
Claude Opus 4.7 Fast1.0M$30.00$150.00Available
Claude Opus 4.71.0M$5.00$25.00Available
Claude Opus 4.61.0M$5.00$25.00Deprecating
Claude Opus 4.5410K$5.00$25.00Available
Claude Opus 4.1200K$15.00$75.00Deprecated
Claude Opus 4410K$5.00$25.00Deprecated
Claude Opus 4.6 AdaptiveAvailable
Claude Opus 4.5Available
Claude Opus Latest1.0M$5.00$25.00Current

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Fable 5Fable1.0M$10.00$50.00
Claude Mythos 5Mythos1.0M$10.00$50.00
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 Sonnet 4.6 AdaptiveSonnet
Claude Sonnet 4.5Sonnet
Claude Sonnet 4.6 Non-Reasoning Low EffortSonnet
Claude Sonnet 4Sonnet

Model IDs

~anthropic/claude-opus-latest
anthropic-claude-opus