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Claude Sonnet 5

Anthropic🇺🇸 USFrontier· Jun 30, 2026

TextReasoningVisionAPI

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...

Provider description (OpenRouter)

Context: 1M tokens
Price / 1M tok: $1 in · $5 out
Modalities: text, image, document → text

2 variants

Standard		1M	$2/$10	OR
Batch		1M	$1/$5	OR

Sources

Provenance

Detected: Sep 27, 2026
First source: openrouter
Description: Provider description (OpenRouter)
Editorially reviewed: —