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Claude Sonnet 4.6

Anthropic
Model overview

claude-sonnet-4-6

Anthropic's current Sonnet model, balancing speed, intelligence, long-context work, and agentic tasks.

general LLMreasoningcodingvision-languageagentlong contextchatcode generationsoftware engineering agententerprise access
CompareCompanyRankingsPublic signals
Representative version

claude-sonnet-4-6

CompanyAnthropic
Release2026-02-17
Release typeModel release
ParametersNot disclosed
ArchitectureNot disclosed
Context1,000,000
Input modalitiestext / image
Output modalitiestext
Tool use / function callingConfirmed: Tool use, Function calling
Structured output / reasoningConfirmed: Reasoning
Vision / audio / videoConfirmed: Vision; Not shown: Audio, Video
Open weights / LicenseNo open weights / license not applicable
anthropic-claude-sonnet-4-6-current · License not applicable
Vendor APIAvailable
Introducing Claude Sonnet 4.6anthropic-claude-sonnet-4-6-current · 2026-02-17
OpenRouterOpenRouter listed
PricingOpenRouter · 2026-07-15: $3 / $15
input / output, per 1M tokens
BenchmarkNo reliable public source
Public signalsNo reliable public source
Use casesAgentic coding / Long-context analysis / Production application backends / assistant chat
Claim evidenceRelease eventIntroducing Claude Sonnet 4.6claude-sonnet-4-6 · 2026-02-17
Model specs / weightsModels overview - Claude API DocsClaude Sonnet 4.6 · claude-sonnet-4-6
OpenRouter

Pricing / context / availability

OpenRouterOpenRouter listed
OpenRouter listinganthropic/claude-sonnet-4.6
Mapped versionclaude-sonnet-4-6
anthropic-claude-sonnet-4-6-current
PricingOpenRouter · 2026-07-15: $3 / $15
input / output, per 1M tokens
Context1000000
Speed/LatencyNo reliable public source
Snapshot time2026-07-15T20:11:41.551Z
SourceView source
Evidence gaps

Public display boundary

Parameter scale not disclosedNo reliable benchmark sourceNo public model-card activity countersNo linkable real reviewSpeed/latency not disclosed