Introducing Claude Sonnet 5, our most agentic Sonnet yet.

Introducing Claude Sonnet 5.5, the second model in the... Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work.show more

Introducing a ground-breaking model designed for organizations of all... sizes. 💻⚡️ Anthropic's newest & most powerful model, Claude 3.5 Sonnet, is now available in #AmazonBedrock. Claude 3.5 Sonnet raises the industry bar on model intelligence. #AWS 👉show more

Fable 5 vs Sonnet 5 on agentic prompting. Both... videos generated using Seedance 2.0.show more

This is Claude-4-Sonnet-Thinking GPT-5 remains undefeated

Claude Sonnet 5.5 is now on Venice. Available anonymously.

Claude Sonnet 4.5 one-shotted this. We're cooked 🥹

Sonnet 5.5 is smarter, more efficient, and 30% faster... than Sonnet 5. It costs up to 30% less for most work, so your Claude Code usage goes further too. Use it for well-scoped everyday tasks like fixing bugs and quickly iterating on features.show more

Sonnet 5.5 is here! In Claude Code, users get... ~30% more tasks done compared to Sonnet 5. It's smarter, so it needs fewer tokens for the same work. Here it rakes a yard of leaves using tool calls. 24s faster than Sonnet 5, with 6K fewer tokens. It leaves her extra time to read :)show more

Bouncing-ball physics tests by Future Brian from the same... prompt, Sonnet 5 vs Sonnet 5.5.show more

So... I just simply asked Manus to give me... the files at "/opt/.manus/", and it just gave it to me, their sandbox runtime code... > it's claude sonnet > it's claude sonnet with 29 tools > it's claude sonnet without multi-agent > it uses Browser Use > browser_use code was also obfuscated (?) > tools and prompts jailbreakshow more

Claude Sonnet 4.5 is live on OpenRouter! Substantial gains... on coding and math over Opus 4.1, but at normal Sonnet prices. More info and benchmarks 👇show more

Claude Fable 5 and GPT-5.6 are cooked already… Sonnet... 5 vs Opus 4.8 on another agentic video pipeline. Both generated a storyboard with GPT Images 2.0, then fed it into Seedance 2.0, all through Higgsfield MCP on Claude. Same quality, but each directed Seedance 2.0 completely differently.show more

Fable 5 vs Sonnet 5. Another comparison.

Coded with Claude Sonnet 5 using Three.js, a fantasy... singularity observatory featuring orbital satellites, accretion disks, polar jets, and holographic panels.show more

Sonnet 5 vs Opus 4.8 on another agentic video... pipeline. Both generated a storyboard with GPT Images 2.0, then fed it into Seedance 2.0, all through Higgsfield MCP on Claude. Same quality, but each directed Seedance 2.0 completely differently.show more

Fable 5 vs Sonnet 5 vs Opus 4.8 on... the same product ad. All three ran an agentic pipeline through eComrads MCP on Claude: read the product, write the creative direction, render the finished ad. Same brief, but each model directed it completely differently.show more

We also tested Sonnet 5 against Opus 4.8 on... agentic prompting, specifically on dynamic scenes through Seedance 2.0 via Higgsfield MCP. Here is the result:show more