Claude

LLM Interpretability, Explained: Inside Claude's Hidden Space

Interpretability is the effort to understand what happens inside a language model. Here's a plain-English mental model — and why Anthropic's reported 'hidden space' in Claude matters for trust and evaluation.

07/12/2026 · Research · 7 min read

Claude Fable: What Real-World Coding Actually Costs

Claude Fable is Anthropic's newer coding model, and one shipped open-source release gives us a rare concrete number: about $149.25. Here's what Claude Fable is, how to get access, and what a real project costs — every figure attributed to its source.

07/08/2026 · Model Evaluation · 6 min read

Claude Sonnet 5 and Claude Science: What's New and How to Evaluate Them

In one week Anthropic shipped Claude Science, released Claude Sonnet 5, and made its models globally available after safety testing. Here's what changed and how to evaluate it for your stack.

07/03/2026 · Model Evaluation · 7 min read

Claude Sonnet 5 for Coding Agents: Is the Higher Cost-Per-Task Worth It?

Claude Sonnet 5 keeps Sonnet 4.6's sticker price but a new tokenizer inflates real cost-per-task by roughly 30%. Here's what that means for agentic and coding workloads — and when it's still worth it.

07/02/2026 · Model Evaluation · 7 min read