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Bend claims proofs can block AI coding mistakes, with C-speed and GPU parallelism, while HN digs into its single-commit repo

Bend claims proofs can block AI coding mistakes, with C-speed and GPU parallelism, while HN digs into its single-commit repo

  • Bend's type checker doubles as a proof checker: 3,200 generic instantiations take 0.38s, against 19.2s for Lean, 6.04s for Rocq, and over 5 minutes each for Isabelle and Agda, measured on an Apple M4 Max.
  • Bend compiles to native code and claims near-C single-core speed plus CUDA parallelism: the Game of Life benchmark runs 7.80s on one core, 0.65s on 16 cores (12x), and 0.06s on GPU (124x), versus 6.78s for C, 13.8s for Lean, and 18.8s for TypeScript.
  • LAWS.bend holds the rules an AI must never break and PROOF.bend holds the AI-written proof, so bend PROOF.bend runs before every commit; the site tells users to add Bend instructions to their AGENTS.md and calls the setup 'AGENTS.md backed by proof'.
  • The GitHub repo was squashed to a single commit, and a commenter who worked on it says the compiler lives in bend2/comp.ts with 'a lot of gambiarra and AI slop', pointing readers to the kernel bend.ts instead.
  • The author, whom commenters greet as HVM's Victor Taelin, says he spent a year on Bend at nearly 16 hours a day and asked HN staff to retitle the post to 'Bend - a language that blocks AI mistakes via proof and runs on GPUs'.
AI
Unredacted filings: Microsoft exec privately called AI scraping 'the largest theft of labor in human history'Hacktron chained a libheif RCE and an OpenAI SSO flaw to take over employee ChatGPT accounts, reaching the internal monorepo for a $6,500 bountyAlibaba's Qwen3.8-Omni-Flash takes on Gemini 3.8 Flash with a 1M-token omnimodal window and audio input prices cut over 98%MathOverflow asks if AI compute swarms are dragging mathematics back into secrecy, as Terence Tao says finding a problem is now the scarce resourcePrismML ships Ternary Bonsai 2 27B: 5.9GB footprint, 98.2% of Qwen3.8 27B performanceBend claims proofs can block AI coding mistakes, with C-speed and GPU parallelism, while HN digs into its single-commit repoOpenAI launches Astra for Law, pairing GPT-6 Astra with a 230M-URL legal search indexFujitsu to sell 2nm Japan-designed MONAKA CPU and server for sovereign AI from November 2026Cloudflare open-sources security-audit-skill, a six-phase coding-agent security auditor 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to Finnish AI data centers and buys up to half of Loviisa nuclear outputEPA proposal would remove public air-permit review for data centers and their power plantsResearchers link May RubyGems package flood and exploit attempts to OpenAI agents25 Fields Medalists Warn AI Math Races Can Erode Human UnderstandingClaude Restricts Consumer Accounts to Adults and Uses Yoti for Age ChecksOpenRouter Hosts Produce 20-Point Tool-Calling Gaps for the Same ModelGoogle releases Gemini desktop app for Windows with Alt + Space shortcutLocal coding harness prompts add up to 226 seconds before first token on an M4 MacBookYuE2 pairs editable symbolic scores with AI vocals and accompanimentAuthor Burns 4B Tokens Testing Astra, Gets No Usable Python WorkAnthropic says it disrupted Claude misuse across cyber, surveillance, weapons and fraud casesOpenAI exposes the Codex harness through a managed Agents APIOpenAI posts Lean 4 proof alongside its Navier-Stokes resultReport puts public tech contract ceilings at $53B as Pentagon shifts toward AI systemsMagic claims its pretraining recipe matches DeepSeek V4 Pro Base with about 50x fewer FLOPsCognition's SWE-2 claims near-Fable coding scores at 64% lower costMathematician says OpenAI left unanswered whether ChatGPT-derived data informed unpublished mathShopify returns to Swift and Kotlin as coding agents cut the cost of two mobile codebasesSolo Developer Trains 3.8B Model to 0.384 CORE for $998DeepSeek ships 552B V4.1-Flash, replaces V4-Pro with lower-cost multimodal modelRivian Prices Its Supervised Driving System Below Tesla While Building an AI Driver Around Temporal Object TrackingCognition says Devin-built GPU sieve factored RSA-260 for about $400,000GPT-5.5 reasoning prefills raise Qwen3.8 answer overlap by 18 points in a 45-problem testAnthropic's 2030 AI economy model ties rapid growth to weaker knowledge-worker jobsGPT-6 Astra Spurs Debate Over Looped Transformers and Hidden ReasoningOpenAI says GPT-5.6 Sol autonomously calibrated 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