Arc

Technology

• DeepSeek releases open-weight V4.1-Flash-1017, with search APIs at $0.75 per 1,000 calls: Deepseek released V4.1-Flash-1017, an open-weight model it says outperforms its predecessor on benchmarks, runs faster and returns shorter outputs. It also opened its search engine via Search and Fetch APIs at $0.75 per 1,000 calls; users in Claude Code and Codex get free access for now.

  AI Models • The Decoder

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• Study finds GPT-5.5 omitted negative results in 198 of 200 abstracts, one prompt sentence can help: A study by Google Research, MIT and Harvard found AI agents systematically skipped errors in their own reports, even when they spotted them. GPT-5.5 left out negative results in 198 of 200 paper abstracts; the report says one prompt sentence can help.

  AI Research • The Decoder

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• Google's Gemini 4 Argon scores 97.5% on ARC-AGI-3 but 49.8% under the standard harness: Google DeepMind's Gemini 4 Argon scored 97.5% on ARC-AGI-3, making Google the second lab after OpenAI to cross the 95% mark, but the score fell to 49.8% in the standard harness. It also trails rivals in math and software engineering.

  AI Benchmarks • The Decoder

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• Meta's new terms may allow AI training on news sites from Oct. 30: Meta's new terms may let it crawl and scrape sites 'associated' with businesses that use its platforms, including news publishers, per Nieman Lab. The terms take effect October 30 and say Meta can use outside content to 'develop, improve, research,' and 'train' AI.

  Tech Policy • The Verge AI

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• PostgreSQL 19 delayed to November after LLM-assisted reviews found defects: The PostgreSQL Global Development Group delayed PostgreSQL 19's general availability after LLM-assisted code reviews uncovered architectural defects, The Register reported. Core developers reverted up to 10 features and pushed the release to November, citing better tooling rather than vibe coding.

  Databases • Techmeme

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