Is Claude Sonnet 4 out yet?
Yes.
About Claude Sonnet 4
The balanced Claude 4 model for everyday high-volume use.
How we confirmed it
Released via official access
May 22, 2025 at 12:00 AM UTC
Release timeline
Waiting for Anthropic's next model?
One click creates your free account (or signs you into an existing one) and turns on alerts for Anthropic releases. There's no password to set, and you can unsubscribe any time.
Benchmarks
Humanity's Last Exam
Claude Sonnet 4 (Thinking) · via Epoch AI · captured Nov 8, 2026 · source
7.8
LM Arena#177
Claude Sonnet 4 (20250514) · via LM Arena · 39,167 votes · captured Oct 26, 2026 · source
1390.83212490183
Sourced metrics mirrored with attribution - not community sentiment.
Data from Epoch AI, “AI Benchmarking Hub” (CC BY 4.0).
Vibe rating
How this model actually feels to use, rated by the people here.
No vibe ratings yet. Be the first.
Sign in to rate this model.
Model Pulse
How is this model behaving today? One check-in per person per day: the running record of “did they nerf it”. Resets at midnight UTC.
No check-ins yet today. Be the first to log how this model is behaving.
Community consensus
An AI summary of the public comments here. Not a sourced fact.
Not enough public feedback yet to summarize. Add a comment to help build the picture.
Compare Claude Sonnet 4 with another model →
Also waiting on: Gemini 3.5 Pro, GLM-6, Grok 5, Amazon Nova 2 Pro
Comments
Missing a model, or wishing OutYet did something it doesn't? Tell us what to build.