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Claude Sonnet 4.6

Model facts

Provider: Anthropic
Released: 2026-02-17
Retirement: 2027-02-17

Technical details

Model ID: claude-sonnet-4-6
Status: Active
Context window: 1,000,000 tokens
Max output: 64,000 tokens
Knowledge cutoff: 2025-08-31
Input modalities: Text, Image, PDF
Output modalities: Text
Pricing (per 1M tokens): $3 in / $15 out
Tool use: Yes

Links

models.dev entry

Claude Sonnet chronology

Preceded by

Claude Sonnet 4.5

Succeeded by

—

Claude chronology

Preceded by

Claude Opus 4.6

Succeeded by

Claude Opus 4.7

A large language model by Anthropic.