◉CLAUDE LABJP
●2.1.296 — Sonnet 5.5 cache reads drop to $0.10/Mtok (was $0.20), and the MCP description limit rises to 4,096 characters●2.1.295 — Hooks gain onFailure: "block", so a failed or timed-out hook no longer lets the action through●SONNET 4.5 — Retires on the Claude API on 11/30, 51 days left. Migrate to Sonnet 5.5●Q&A — A long-running report: the console jumps back to the top of history whenever output is appended●HAIKU 5.5 — Code written for Haiku 4.5 hits a 400 error on budget_tokens●NEW — When first requests keep missing, hand over a one-page description of your work first●2.1.296 — Sonnet 5.5 cache reads drop to $0.10/Mtok (was $0.20), and the MCP description limit rises to 4,096 characters●2.1.295 — Hooks gain onFailure: "block", so a failed or timed-out hook no longer lets the action through●SONNET 4.5 — Retires on the Claude API on 11/30, 51 days left. Migrate to Sonnet 5.5●Q&A — A long-running report: the console jumps back to the top of history whenever output is appended●HAIKU 5.5 — Code written for Haiku 4.5 hits a 400 error on budget_tokens●NEW — When first requests keep missing, hand over a one-page description of your work first
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⬡ API & SDK/2026-05-06Advanced

Building an Autonomous Research Agent with Claude API: Web Search, Summarization, and Knowledge Management

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◉ Claude AI/2026-04-26Intermediate

Supercharge Your Research with Claude AI: From Information Gathering to Polished Reports

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