🚀 Modèles & Releases
Anthropic has launched Claude Sonnet 5 (claude-sonnet-5), the next generation of its Sonnet model family, with introductory pricing of $2/$10 per MTok through August 31, 2026 (standard $3/$15 thereafter). It supports a 1M token context window and 128k max output tokens. (https://docs.anthropic.com/en/release-notes/api#june-30-2026)
Poolside released Laguna XS 2.1, a new coding agent model in the 33B-A3B category, available both as a free and a standard offering. (https://openrouter.ai/models/poolside/laguna-xs-2.1:free, https://openrouter.ai/models/poolside/laguna-xs-2.1)
New models have been released on Hugging Face, including ByteDance-Seed/PAR, Qwen/Qwen-AgentWorld-35B-A3B, and moonshotai/Kimi-K2.7-Code. (https://huggingface.co/ByteDance-Seed/PAR, https://huggingface.co/Qwen/Qwen-AgentWorld-35B-A3B, https://huggingface.co/moonshotai/Kimi-K2.7-Code)
🔬 Recherche
A new paper, "Breaking Failure Cascades: Step-Aware Reinforcement Learning for Medical Multimodal Reasoning," addresses sparse credit assignment in training pipelines for clinical image reasoning models. (https://huggingface.co/papers/2606.31825)
Research on "Distributed Attacks in Persistent-State AI Control" highlights a new attack surface where misaligned AI coding agents can distribute attacks across pull requests and time payloads for when the PR is merged. (https://arxiv.org/abs/2607.02514v1)
The paper "LACUNA: A Testbed for Evaluating Localization Precision for LLM Unlearning" focuses on methods for reliably removing sensitive data like PII from LLMs. (https://arxiv.org/abs/2607.02513v1)
"Program-as-Weights: A Programming Paradigm for Fuzzy Functions" proposes a new paradigm for tasks like alerting on log lines or repairing JSON, aiming to reduce reliance on LLM APIs. (https://arxiv.org/abs/2607.02512v1)
⚙️ API & Dépréciations
Anthropic's launch of Claude Sonnet 5 is a breaking change requiring immediate action to avoid integration breakage. It supports a 1M token context window, 128k max output tokens, and the same tools and platform features as Claude Sonnet 4.6. (https://docs.anthropic.com/en/release-notes/api#june-30-2026)
⚖️ Régulation & Société
Members of ICAS (Institute of Chartered Accountants of Scotland) are calling for a bigger government role in AI regulation. (https://news.google.com/rss/articles/CBMioAFBVV95cUxORjlYY2hGaTNMZjNfN0NOb0t2VTdpVnVPQVBkZndpNzFoVjNhUmJLekZKSTdjS3pHZFowaDlzaXBPRmVqSVZCN0lhT2xLcGYxR1RhTWFGQ2NYY21yaUhzRk0yMnJ0blNLbHhmTy01TDE2OHdTbXJGRHFFYjFMc0JyQ3paajhFQ0VWeXY3Rk85aVZzek5NbDFvaXR1cEV6cXZE?oc=5)
An outgoing tech adviser has stated that former President Trump will oppose heavy US AI regulation. (https://news.google.com/rss/articles/CBMihAFBVV95cUxQNW9USXIyLVQtZ1MzMjU1U2JrQ20tWlVkVU5KOW9GRlNmMVBibkNCLTFCdjNxcHJzRng0eURnbXFaR09iZDVyZEFiamVtTk1fM09oRXp3cWxtSUF5NzNHWTI3cmZhM09WVW1Ib0ltZG5NTGhHYVBrQUFoZ19WYjloTi02Nms?oc=5)
Ireland has introduced an AI Bill to implement the EU AI Act. (https://news.google.com/rss/articles/CBMigAFBVV95cUxQOFJzQzY5anpLZF84ektqVGtRQXNROFdJXzhyd0o4OWl1aGk4R01LLWFiNkJrbVZKSmJ5c0ZyQkFxeUNnRmc1U3ZNZXQxRVJHZnBfNWoxakx1OS1fNGpZUG9HUmZEWkxZUzZoRldGWktnUHl1alNPZUxhZXBLanREVw?oc=5)
🛠️ Outils & Produits
The llama.cpp release b9870 includes a fix for long reasoning loops by trimming messages sent to the StepFun parser. (https://github.com/ggml-org/llama.cpp/releases/tag/b9870)
Goose v1.41.0 adds support for iFlytek Spark and Astron MaaS providers, an --edit session flag, Fireworks AI declarative provider, OpenRouter request parameters, and new desktop locales. (https://github.com/aaif-goose/goose/releases/tag/v1.41.0)
Pydantic AI v2.5.0 introduces a sanitize_messages feature for hardening inbound message history and support for round-trip multimodal tool returns. (https://github.com/pydantic/pydantic-ai/releases/tag/v2.5.0)
Cline CLI v3.0.37 improves handling of malformed tool calls from weaker models and makes plan/act mode switches visible to the model. (https://github.com/cline/cline/releases/tag/cli-v3.0.37)
Mistral's client-python library was updated to v2.5.2. (https://github.com/mistralai/client-python/releases/tag/v2.5.2)
OpenAI's Codex Rust client released version 0.143.0-alpha.35. (https://github.com/openai/codex/releases/tag/rust-v0.143.0-alpha.35)
💡 À retenir
Anthropic's launch of Claude Sonnet 5 is the most critical update, requiring backend engineers to update integrations before the introductory pricing ends on August 31, 2026, to avoid cost increases and potential breakage.