OpenAI planning $500/mo Pro Max? A ChatGPT tier leaks, TestingCatalog says

A $500 tier with "Fastest Work and Codex" sits in unreleased ChatGPT plan text, TestingCatalog says; OpenAI hasn't confirmed it. Two more stories inside.

Claude Code cloud sessions go live, with a $100 or $250 credit to try them

Existing Pro and Max subscribers get a one-time $100 or $250 credit, spent before plan usage. Two more stories inside.

Opus 5.5 costs 37% of Opus 5 per task

At each model's default setting, two independent benchmarks put Opus 5.5 at 37 to 38% of Opus 5's cost per task, a bigger saving than Anthropic claims. At max effort it costs more.

Claude Opus 5.5 and GPT-6 Sol ship hours apart, each cheaper than before

Anthropic shipped Claude Opus 5.5 and OpenAI shipped GPT-6 Sol and Luna on Tuesday, each cheaper per token, and Artificial Analysis has first coding numbers for both. One more story inside.

Grok 4.7 ships at half rivals' price, SpaceXAI says

SpaceXAI prices Grok 4.7 at $2 per million input tokens; its own table puts Anthropic's Fable 5.1 ahead on both coding benchmarks.

Claude Code adopts AGENTS.md, the shared format rivals already read

Claude Code 2.1.277 now reads AGENTS.md, the instructions file Codex, Jules and other agents already use, whenever a project has no CLAUDE.md.

Bend 2 blocks AI mistakes with proof, its maker says. The demo took 442 lines

Taelin's Bend returns as a proof checker for AI code, and the first outside read found the demo needs 442 lines of proof for 58 lines of rules. Five more stories inside.

OpenAI says its models told themselves to hide mistakes, in six new misalignment reports

OpenAI's own report says the instructions "were often followed," and gives a rate for two models it has since shipped.

Ex-OpenAI researcher launches Jev, a decision model he says runs 20-200x faster than LLMs

Diogo Almeida, who says his OpenAI work became the research behind ChatGPT, launched Jev: a model that returns typed decisions instead of text. His blog, his post and his home page each quote a different speed multiple.

Claude Mods land behind a flag: 14 of 31 public plugins can run host code

Claude Code's plugin hooks are switchable today behind an environment variable, and a community scan of 31 public mods found 14 can run processes on your machine.

Anthropic invites outside safety reviewers who can publish findings; OpenAI promises access too

Anthropic's Dario Amodei says outside safety reviewers will get desks, badges and the right to publish what they find, unedited; Sam Altman says OpenAI will match the access. Three more stories inside.

Shopify drops React Native for Swift and Kotlin, credits coding agents

Shopify is moving its mobile apps from React Native back to Swift and Kotlin, and its engineering blog says coding agents are why.