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Xiaomi's MiMo-V2.6-Pro scored 46 on Artificial Analysis' Intelligence Index, the top open-weight result, with MIT-licensed weights and low API pricing.

SpaceXAI's Grok 4.5, trained alongside Cursor, is priced at $2 per million input tokens and $6 per million output tokens; Musk calls it 'an Opus-class model, but faster, more token-efficient and lower cost.'

Meituan released LongCat-2.0, a 1.6T-parameter MoE model under an MIT license, claiming it is the first trillion-parameter model trained and served entirely on domestic ASICs.

ByteDance unveiled its Seed 2.1 Pro and Turbo models at the Volcano Engine FORCE conference, claiming leading coding and agent benchmarks and a total cost of ownership close to 80 percent below Claude Opus 4.6.

Anthropic's midsize model matches near-flagship agentic performance at a fraction of the price, and arrives as the lab lifts controls on Fable 5.

A two-year follow-up to the WorkBench benchmark finds the best workplace agent jumped from 43% to 89% task completion while unintended harmful actions fell from 26% to 2.5%.

Zafran Security disclosed four authorization flaws in the open-source LLMOps platform Dify, including two critical bugs that let an attacker redirect another tenant's AI conversations to an attacker-controlled endpoint.

Zhipu's GLM-5.2 ships under an MIT license as a frontier coding alternative just after the US barred foreign nationals from Anthropic's Fable 5 and Mythos 5.

A new MIT CSAIL inference method has a model inspect its prompt in a Python REPL and recursively call itself over snippets, processing inputs beyond its context window.

A DeepMind preprint reports an LLM-and-Lean agent that autonomously solved 9 of 353 open Erdős problems and proved 44 of 492 OEIS conjectures for a few hundred dollars each.

Moonshot AI released Kimi K2.7-Code, an open-weight 1-trillion-parameter MoE coding model under a Modified MIT License, claiming roughly 30% lower thinking-token usage than K2.6 on self-run benchmarks.

Anthropic launched Claude Fable 5 on June 9, a public version of its restricted Mythos model that falls back to Opus 4.8 on high-risk topics in under 5% of sessions.