Products
Launches, features and API changes.

Odyssey-3 is a new generative world model that you can try for free
Odyssey is making its world model Odyssey-3 available as a public research preview.
Introducing Playground: Create and play custom games
Playground is a new experimental gaming platform that lets you create, play, and share custom games.
openai/codex rust-v0.162.1: 0.162.1
Fixed a TUI crash when asynchronous questions contain multiple lines, preserving line breaks and complete hyperlink destinations. (#51866)
anthropics/claude-code v2.1.296
Added a code key to the Claude apps gateway's managed.policies[]: the same settings as cli, also applied in Claude Desktop's Code tab; beside desktop, it turns on Claude Desktop's gateway mode

Google rolls out improved SynthID AI content detector, now available globally
Every piece of AI content from Google's Gemini models has a hidden SynthID label, which makes it very difficult to pass the content off as authentic.

Introducing Mistral Large 4
Today, we’re launching a public preview of Mistral Large 4.
openai/codex rust-v0.162.0: 0.162.0
Add tools for creating and listing managed Git worktrees from trusted local projects when the worktrees feature is enabled. (#50148)
anthropics/claude-code v2.1.295
Added onFailure: "block" for command and HTTP hooks: a hook that can't start, times out, or exits with an unexpected code blocks the action instead of letting it through
anthropics/claude-code v2.1.293
Added Claude Haiku 5.5 (claude-haiku-5-5), now the default Haiku model on the Anthropic API — 1M context, $0.10/$0.50 per Mtok ($0.50/$2.50 for prompts over 100K)