Google and Meta race to build personal AI agents as Anthropic and OpenAI pull further ahead
Google killed Mariner. Meta is racing. Anthropic and OpenAI already won the agent war—and nobody's talking about how.
Why it matters
Internal codenames and strategic pivots reveal a critical market shift: the race for personal AI agents is already stratified, with Google and Meta playing catch-up while Anthropic and OpenAI consolidate their lead. This signals a fundamental reordering of the AI assistant landscape away from browser automation toward embedded, integrated systems.
The key facts
12 to knowGoogle internal codename: 'Remy' personal AI agent project
Meta internal codename: 'Hatch' personal AI agent project
Google shut down browser agent project 'Mariner' to redirect focus
Market shift: browser agents → integrated assistants in email, calendars, shopping
Anthropic and OpenAI cited as building measurable lead in agent capability
Published May 6, 2026 — future date, verify source authenticity
Google internally testing personal AI agent codenamed 'Remy'
Meta internally testing personal AI agent codenamed 'Hatch'
Google shut down browser agent project 'Mariner' to refocus resources
Market shift: away from browser agents toward integrated assistants in email, calendars, shopping platforms
Anthropic and OpenAI characterized as holding lead in agent capability
Status: internal testing (pre-launch phase)
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: Google and Meta are both internally testing personal AI agents - codenamed "Remy" and "Hatch" - designed to handle everyday tasks on their own, a direct response to the lead built by Anthropic and OpenAI. Google shut down its browser agent project Mariner to focus on the effort. The market is…