7 articles
Karpathy gave Opus 5 one Lord of the Rings paragraph and a 1M-token budget for a three.js render. What the run shows about agentic work and self-verification.
AI session portability: sealed reasoning, opaque compaction and hidden subagent messages are replacing portable transcripts. Five tests and seven rules for it.
DeepSeek V4 Flash 0731 was re-post-trained for agent work. Its benchmark numbers, native Responses API and Codex support, and how to wire it up today.
Inkling-Small is a 12B-active, Apache 2.0 open-weights MoE that beats the 975B Inkling on agentic coding and tool use at a quarter of the size.
LearnVector is Andrew Ng's AI-native learning company, backed by $100M from Coursera, building agentic one-to-one tutoring. The vision and the HN reaction.
Meta Muse Spark 1.1 is Meta's first paid, closed-weights API model, with $1.25/M input tokens and 1M context. The pricing, benchmarks and HN debate.
Claude Fable 5's $10/$50 per million token pricing can catch teams off guard - here is how to build a real cost model before you commit.
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