OpenRouter · claude-sonnet

API GatewayOpenAI compatible

Unified API gateway providing access to 200+ models from multiple providers with standardized pricing.

Active models

370+ 355 deprecated

Families

Founded2023

Latest release2026-10-28

API Base URL

Capabilities

OSSShow deprecated (6)

Model	Caps	Type	Pricing	Released
Anthropic: Claude Sonnet 5.5anthropic/claude-sonnet-5.5	RTJJM	chat	$2$10	Sep 28, 2026
Anthropic: Claude Sonnet 5.5 (batch)anthropic/claude-sonnet-5.5:batch	RTJJM	chat	$1$5	Sep 28, 2026
Anthropic: Claude Sonnet 5anthropic/claude-sonnet-5	RTJJMSB	chat	$2$10	Jun 30, 2026
Anthropic: Claude Sonnet 4.6anthropic/claude-sonnet-4.6	RTJJM	chat	$3$15	Feb 17, 2026
Anthropic: Claude Sonnet 4.6 (batch)anthropic/claude-sonnet-4.6:batch	RTJJM	chat	$1.5$7.5	Feb 17, 2026
Anthropic: Claude Sonnet 4.5anthropic/claude-sonnet-4.5	RTJJM	chat	$3$15	Sep 29, 2025
Anthropic: Claude Sonnet Latest~anthropic/claude-sonnet-latest	RTJJM	chat	$2$10	Apr 27, 2026