June 30, 2026

Anthropic prepares Claude Sonnet 5 for release on OpenRouter

Anthropic is set to release Claude Sonnet 5 on the OpenRouter platform, with a designated slug for June 30, 2026. This new version marks a continuation of Anthropic’s Claude series, aimed at enhancing the availability of advanced AI models. OpenRouter plays a crucial role by facilitating the integration and testing of these emerging AI technologies from various providers before their broader distribution.

AiBattle: AiBattle is an X account that tracks and shares developments in artificial intelligence models and tools. It first spotted and reported Claude Sonnet 5 on OpenRouter on June 30, 2026, drawing attention to the impending release.
Anthropic: Anthropic is an AI research company focused on developing safe and reliable large language models. It is preparing Claude Sonnet 5 for release on OpenRouter, signaling an imminent public availability of its next-generation model.
OpenRouter: OpenRouter is a platform that aggregates and provides access to various AI models through a single API interface. It is hosting Claude Sonnet 5 ahead of its official release, allowing early visibility for users and developers.
Claude Sonnet 5: Claude Sonnet 5 is the upcoming iteration in Anthropic’s Claude model family, building on prior Sonnet versions with enhanced capabilities. Its appearance under a 20260630 slug on OpenRouter indicates preparation for today’s launch.

`json
{
“Model Release”: “Anthropic is preparing Claude Sonnet 5 for its release on OpenRouter.”,
“Platform Role”: “OpenRouter facilitates integration and testing of new AI models from major providers.”
}
`

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