AI and Tech Summaries - AI Weekly Malaysia

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Short AI and tech summaries with source links, signal scores, and why each update matters for builders, founders, and Malaysian tech workers.

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Date	Provider	Score	Summary
01 Jul 2026, 5:23 AM	Simon Willison	7.5	What's new in Claude Sonnet 5 Claude Sonnet 5 released with near-Opus 4.8 performance at a lower API price, but uses a new tokenizer averaging 30% more tokens for English text—effectively a net price increase. Key API changes include a 128K output limit, 1M context window, removal of temperature/top-p/top-k, and adaptive thinking on by default. Why: Budget-sensitive developers must recalculate real costs; default "thinking" mode and missing sampling params change prompt engineering and output determinism patterns. ai-agents developer-tools llm-pricing

Date

Provider

Score

Summary

01 Jul 2026, 5:23 AM

Simon Willison

7.5

What's new in Claude Sonnet 5

Claude Sonnet 5 released with near-Opus 4.8 performance at a lower API price, but uses a new tokenizer averaging 30% more tokens for English text—effectively a net price increase. Key API changes include a 128K output limit, 1M context window, removal of temperature/top-p/top-k, and adaptive thinking on by default.

Why: Budget-sensitive developers must recalculate real costs; default "thinking" mode and missing sampling params change prompt engineering and output determinism patterns.