[OutYet.ai](/)
[Anthropic](/providers/anthropic)Claude Sonnet 5
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 → 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 inCommunity 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
source & further reading
outyet.ai — original article
Leanstral 1.5: ICYMI: Mistral released Leanstral 1.5, a SOTA open model for Lean 4 proof engineering. > Developers use Lean 4 as a general-purpose functional language (for CLI tools and libraries)…
Muse Spark: Meta is still training their big models but we will get an update on Muse Spark soon https://t.co/M62UrzO40q
Llama 5: Meta's next frontier model 'Watermelon' reportedly caught GPT-5.5 on internal benchmarks (still training)