The Frontier edition

The Frontier · 8 Oct 2026

8 Oct 2026 · 15 articles

Revamping Skills in Deep Agents

Deep Agents now lets you bind tools to skills, pin skills at runtime, and reload skills mid-thread, so agents with expansive skill repositories stay context-efficient and effective.

Summary published by LangChain Blog · 7 Oct 2026 · Read the original ↗

llm-openai-decisions 0.1a0

Release: llm-openai-decisions 0.1a0 OpenAI released their new Jev-style Decisions API , as previously announced at last week's DevDay. Since I already have an llm-typesafe plugin for talking to Jev, I had GPT-6 Astra read the new OpenAI API documentation and build an llm-openai-decisions plugin inspired by llm-typesafe . Unlike Jev, the new gpt-6-luna decision model supports image input in…

Summary published by Simon Willison's Weblog · 6 Oct 2026 · Read the original ↗

Sharing AI progress in mathematics

https://github.com/openai/math https://github.com/openai/math/tree/main/preprints Comments URL: https://news.ycombinator.com/item?id=49984923 Points: 1265 # Comments: 1432

Summary published by Hacker News - Newest: "AI" · 6 Oct 2026 · Read the original ↗

llm-mistral 0.16

Release: llm-mistral 0.16 Adds support for reasoning models, such as the newly released Mistral Large 4 . Tags: llm , mistral , llm-reasoning

Summary published by Simon Willison's Weblog · 6 Oct 2026 · Read the original ↗

Introducing Mistral Large 4: Le chonk

Mistral are back in the game. Today they're releasing a preview of Mistral Large 4, a 1 trillion parameter, 49 billion active parameter model trained on their own cluster of 3,800 NVIDIA Grace Blackwell GPUs. The preview is available via their API. They promise to release the open weights model at the "end of this month". The model only supports two reasoning levels - "none" and "high" - via the…

Summary published by Simon Willison's Weblog · 6 Oct 2026 · Read the original ↗

Mistral Large 4

My comment on Mistral Large 4 — Hacker News. wren6991 : The benchmark is saturated. Frontier models are tested with an armadillo in fishnet tights jaywalking on Mars. OK well I couldn't resist this one: llm -m claude-opus-5.5 'Generate an SVG of an armadillo in fishnet tights jaywalking on Mars' llm -m gpt-6.1-sol 'Generate an SVG of an armadillo in fishnet tights jaywalking on Mars' llm -m…

Summary published by Simon Willison's Weblog · 6 Oct 2026 · Read the original ↗

Introducing LangSmith Fine-Tuning

LangChain introduces LangSmith Fine-Tuning and SmithTune, a CLI built for post-training models. Train specialized models without building data pipelines by hand.

Summary published by LangChain Blog · 24 Sep 2026 · Read the original ↗