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Anthropic shipped Claude Sonnet 4.6 in February 2026, roughly five months after Sonnet 4.5 launched in September 2025. Both carry the same API pricing ($3 input / $15 output per million tokens), but the gap in capability is meaningful. If you're picking a model to build on right now, the choice matt
Every LangChain pipeline your team hardcodes starts breaking the moment the query distribution shifts — and it always shifts. That bottleneck is what Sakana AI set out to eliminate. Researchers at Sakana AI have introduced the "RL Conductor," a small language model trained via reinforcement learning
You're choosing between GPT-5 and Claude Sonnet 4 for a production workload. Pricing pages give you per-million-token numbers. Benchmark leaderboards give you scores that don't always survive contact with your actual queries. The honest comparison lives in between — per-task cost on workloads that l
Last week, my team met many developers at Developer Week in San Jose. My colleague, Vinicius Senger delivered a great keynote about renascent software—a new way of building and evolving applications where humans and AI collaborate as co-developers using Kiro. Other colleagues, Du’An Lightfoot, Eliza
