Claude Sonnet 5: Anthropic Releases Claude Sonnet 5 Anthropic released Claude Sonnet 5 via API on June 30, 2026, as confirmed by the official inference endpoint. No benchmark scores or community sentiment have been published yet. OutYet.ai / Anthropic /providers/anthropic Claude Sonnet 5 Is Claude Sonnet 5 out yet? Yes. Available How we confirmed it Released via api June 30, 2026 at 5:47 PM UTC The official inference endpoint accepted the model. Open detection source → https://api.anthropic.com/v1/messages Benchmarks No benchmark scores published yet. Vibe Rating Community sentiment — how the user base feels about this model. Not a sourced benchmark. No Vibe Ratings yet — be the first to rate this model. Sign in to rate this model. Sign in /signin Community Consensus AI-generated from public community feedback — not a sourced fact. Not enough public feedback yet to summarize. Add a comment or a Vibe Rating to help build the community consensus. Discussion