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Claude Sonnet 5
Anthropic · Text + Vision · Feb 2026
Balanced frontier model — near-Opus quality at a fraction of the price.
Chat / AssistantCode generationImage / Vision
Input price
$3.00
per 1M tokens
Output price
$15.00
per 1M tokens
Context window
400K
tokens
Modality
Text + Vision
supported
Provider
Anthropic
vendor
Released
Feb 2026
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Frequently asked questions
- How much does Claude Sonnet 5 cost?
- Claude Sonnet 5 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens.
- What is Claude Sonnet 5's context window?
- Claude Sonnet 5 supports a context window of 400K tokens.
- What is Claude Sonnet 5 best for?
- Claude Sonnet 5 is well suited for Chat / Assistant, Code generation, Image / Vision. Balanced frontier model — near-Opus quality at a fraction of the price.
- Who makes Claude Sonnet 5?
- Claude Sonnet 5 is built by Anthropic. It was released in Feb 2026.