#Opus

Claude Sonnet 5.5 is a clear upgrade over Claude Sonnet 5, runs 30%+ faster, and costs up to 30% less for most work.

GPT-5.5 dropped today, just a month and a half after 5.4. Opus 4.7 came out last week, just two months after 4.6. What's even funnier is that GPT finally started talking like a human, while Opus stopped doing so.…

We put GPT-6 Astra, Gemini 4 Argon, and Claude Opus 5.5 to the test across four real-world tasks to see which AI model delivers the best results.

Summary Add spec/unit/hook_template_details_requested_spec.rb. No production code changes. Jpmobile::HookTemplateDetailsRequested is prepended to ActionView::TemplateDetails::Requested and is the c...

The biggest AI story this weekend isn't a new chatbot. It's how fast open models are closing the gap,...

Kimi K3.1 Pro nears Opus 5.5 on coding at a fraction of the cost. We test the open-weight model’s claims and red flags.

Claude Opus 5.5 users are reporting that Anthropic’s AI suddenly seems to be a lot worse at stealing people's intellectual property

Ask LLMs for their most controversial take on humanity, and it turns out they have little nice to say about us, as one AI experiment found

Ask LLMs for their most controversial take on humanity, and it turns out they have little nice to say about us, as one AI experiment found

The built-in catalog (omp 18.12.6) still lists Anthropic models that are retired. Every request to them fails. Model Retired claude-3-5-sonnet-20240620 2025-10-28 claude-3-5-sonnet-20241022 2025-10...

Anthropic today introduced Claude Duet, its answer to Meta's Muse agent and OpenAI's Dots agent. Like Dots and Muse, it is a proactive agent that "reaches out before you ask". Claude Duet connects to your apps and suggests things that need your attention.…

Claude Opus 5 from Anthropic is available on AI Gateway with BYOK support, no markup on provider pricing, high rate limits, and automatic failover, across all API formats. ---

Claude Opus 5.5 from Anthropic is now available on Vercel AI Gateway with adaptive thinking, fast mode, regional inference, a 1M context window, and up to max effort.

Inside our performance sprint: the benchmarks Claude built, the loop each Slack thread ran, and the guardrails that let us ship 3,000 changes safely.

Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.

Opus 5 is a step change improvement for the Opus tier powering long-running agents while delivering improvements in coding and professional work.

Hand the cheap model a trajectory, not a plan: /prewalk keeps 92–97% of the frontier pass rate at roughly half the cost, measured on SWE-Bench Pro.

We hold frontier models to a high bar, and for four months nothing beat Claude Opus. GPT-5.6 did. Here's the migration guide we wish we'd had.

My experiencing trying to get a second opinion on my shoulder injury using Claude Code. It's a fascinating glimpse into the future but it's hard to have full confidence in the results just yet.