Sintra AI
Home
Live Feed
Automation Hub
Prompt Library256
AI News554
Weekly Digest
Topic Hubs
AI History
AI Labs
Research
Learning Paths
Guides
Resources
Concepts
Videos
AI Tools74
Models
Claude
Google AI
Cost Calc
Skip to content
Sintra AIAI News
Back to archive
AI Intelligence

Dec 2025

3 events · Current month →

Dec 2025

Major
OpenAI

OpenAI GPT-5.2-Codex — Agentic Coding Specialist Counters Gemini 3

OpenAI released GPT-5.2-Codex in December 2025 as a specialist coding model optimized for multi-step agentic software engineering tasks, directly responding to Gemini 3 Pro's strong coding performance. The model was positioned for autonomous repository-level coding, integration testing, and codebase exploration rather than single-file tasks. GPT-5.2-Codex debuted on the OpenAI Codex platform and via the Assistants API, targeting professional engineering teams running long-horizon automated workflows.

Why it mattersA model specialized for agentic coding tasks — with its own CLI and persistent workspace — means software teams can delegate longer-horizon coding tasks without constant human checkpoints.

Try itTest GPT-5.2-Codex on a multi-file refactoring task in your codebase and measure whether it completes the task without human intervention compared to your current AI coding workflow.

OpenAIGPT-5.2CodexCodingAgentsAgentic
Read source

Dec 2025

Major
Meta

Meta Acquires Manus AI for $2B+ — General-Purpose Agent Platform

Meta acquired Manus, a Singapore-based AI startup, for over $2 billion — the largest acquisition of an AI agent company to date. Manus had built a general-purpose AI agent capable of performing complex multi-step real-world tasks across web browsing, file management, coding, and data analysis without domain-specific customization. The acquisition positioned Meta to compete directly with OpenAI Operator and Anthropic Computer Use in the emerging market for autonomous agent products.

Why it mattersMeta acquiring a general-purpose agent platform signals that agent capabilities will be embedded into consumer social products at scale, expanding the addressable market for agent-built workflows.

Try itReview whether your current agent architecture would remain competitive if Meta ships Manus-based agents to WhatsApp and Messenger — identify which workflows would be commoditized first.

MetaManusAgentsAcquisitionAutomation

Dec 2025

Major
Lovable🇸🇪

Stockholm's Lovable Raises $330M Series B at $6.6B Valuation — 8M Users, $400M ARR

Stockholm-based Lovable raised $330 million in a Series B round led by CapitalG (Google/Alphabet) and Menlo Ventures at a $6.6 billion valuation. The platform, which lets users build full applications by describing them in natural language, surpassed $400 million ARR by early 2026 — up from $1 million ARR a year prior — and powers 100,000 new projects daily across 8 million users. Additional investors included Nvidia's NVentures, Salesforce Ventures, Databricks Ventures, and Atlassian.

Why it mattersLovable's $400M ARR trajectory — achieved in roughly 12 months — is among the fastest in software history and validates that natural-language app building is a product category, not a feature.

Try itBuild a prototype of your next internal tool on Lovable.dev using only plain-language descriptions — compare the time-to-first-working-demo against your current development workflow.

LovableSwedenVibe CodingNo-Code AISeries BCapitalGSwedish Unicorn
Read source

Stay current

New prompts & AI news, weekly

No noise. Curated highlights from the library.

Newsletter signup is currently disabled.

Sintra Tesseract

A curated library of AI use cases, mapped across every way to think with a machine.

Open source · Free forever

Discover

Use CasesCollectionsAI Tools DirectoryAI NewsLearning PathsResources & Links

Reference

Claude & AnthropicAI ConceptsAI HistoryAI LabsGoogle AI Tools

Elsewhere

AI Keynote ↗GitHub ↗RSS Feed ↗
© 2026 Sintra · Curated in the open.Built on the void.