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Claude Sonnet


Claude Sonnet is Anthropic logoAnthropic's language model with a 1.0M context window and up to 128K output tokens, starting at $3.00 / 1M input and $15.00 / 1M output. A mid-tier Claude model balancing capability and speed that always routes to the latest Sonnet release.
Spec
Canonical IDanthropic-claude-sonnet
TypeLanguage
StatusActive
CreatorAnthropicAnthropic
Providers
Context Window1.0M tokens
Max Output128K tokens
Input ModalitiesImageText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 6 days 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

ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / query
OpenRouter logo
OpenRouter
~anthropic/claude-sonnet-latest
$3.00$15.00$0.300$0.010

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Sonnet 4.61.0M$3.00$15.00Available
Claude Sonnet 4.51.0M$3.00$15.00Available
Claude Sonnet 41.0M$3.00$15.00Deprecated
Claude Sonnet 4Available
Claude Sonnet 4.1200K$3.00$15.00Available
Claude Sonnet 4.5Available
Claude Sonnet 4.6 AdaptiveAvailable
Claude Sonnet 4.6 Non-Reasoning Low EffortAvailable
Claude Sonnet 3.7200K$3.00$15.00Deprecating
Claude Sonnet 3.7200K$3.00$15.00Deprecated
Claude Sonnet1.0M$3.00$15.00Current

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Opus 4.7Opus1.0M$5.00$25.00
Claude Opus 4.6Opus1.0M$5.00$25.00
Claude Opus 4.5Opus410K$5.00$25.00
Claude Haiku 4.5Haiku200K$1.00$5.00
Claude Opus 4.1Opus200K$15.00$75.00
Claude Opus 4Opus410K$15.00$75.00
Claude Haiku 4.5Haiku
Claude Opus 4Opus
Claude Opus 4.1Opus
Claude Opus 4.5Opus

Model IDs