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Welcome Back, AI Geeks!

This is Edition #12 of the Weekly Tool Deep Dive 🔍️ 

This is Edition #11 of the Weekly Tool Deep Dive 🔍️

Today's issue covers 3 AI tools that are changing how we create music, analyze documents and build app, without needing a degree in any of them.

Each tool comes with real examples of creators and teams using them to save hours (sometimes days) of work. No theoretical fluff, just tools people are actually using right now.

Your challenge: Pick one tool and test it for 20 minutes this week.

Voice AI Goes Mainstream in 2025

Human-like voice agents are moving from pilot to production. In Deepgram’s 2025 State of Voice AI Report, created with Opus Research, we surveyed 400 senior leaders across North America - many from $100M+ enterprises - to map what’s real and what’s next.

The data is clear:

  • 97% already use voice technology; 84% plan to increase budgets this year.

  • 80% still rely on traditional voice agents.

  • Only 21% are very satisfied.

  • Customer service tops the list of near-term wins, from task automation to order taking.

See where you stand against your peers, learn what separates leaders from laggards, and get practical guidance for deploying human-like agents in 2025.

What It Is

While most AI audio tools stick to beats and loops, Udio (launched 2024, backed by a16z) generates complete songs with vocals, instrumentation, and studio-quality production from text prompts. It understands music theory, creates coherent song structures with verses and choruses, and can even write lyrics that actually make sense. Built for musicians, content creators, and anyone who's ever wanted to make music without years of training.

Why It's Trending:

Udio's latest v1.5 update added the ability to upload reference audio and extend songs beyond the initial 30-second clips. One indie filmmaker scored an entire short film by prompting "cinematic orchestral tension building to hopeful resolution"—got 12 variations in an hour. The vocal synthesis has reached a point where listeners can't reliably tell it's AI-generated. Users are creating everything from podcast intro music to full albums, with some tracks gaining traction on streaming platforms.

Key Features:

  • Text-to-Music Generation creates full songs with vocals, harmonies, and multi-instrument arrangements from simple descriptions

  • Audio Upload Reference lets you feed it existing music to match style, energy, or mood—"make something like this but faster"

  • Song Extension continues your generated track seamlessly, building full 3-4 minute songs from 30-second seeds

  • Remix & Iterate tools let you regenerate specific sections, change instruments, or adjust tempo without starting over

  • Lyrics Control where you can provide your own lyrics or let AI generate contextually relevant words.

Real Example: From Concept to Spotify in Days

A podcast host used Udio to create custom theme music after spending months searching stock libraries. Prompt: "upbeat indie folk with acoustic guitar, optimistic female vocals, 120 BPM." Generated 10 variations, extended the best one to 90 seconds, added a custom intro tag. Total time: 45 minutes. Result: distinctive branding that listeners specifically compliment, zero licensing fees.

How to Set It Up

  1. Sign up at udio.com (free tier gives 1,200 generations/month, Pro is $10/month for unlimited)

  2. Start with a detailed prompt - describe genre, mood, instruments, vocal style, tempo (e.g., "melancholic piano ballad with strings, male vocals, slow tempo")

  3. Generate and review - Udio creates two variations, listen and pick your favorite or regenerate

  4. Extend your track - use "Extend" to add intro, outro, or continue the song to full length

  5. Fine-tune sections - click any part to regenerate just that section, or upload reference audio to guide style

  6. Download stems - get individual instrument tracks for further editing in your DAW

What It Is

While Western models struggle with long documents, Kimi K2 (from China's Moonshot AI, released late 2024) processes context windows of 1 million+ tokens—roughly equivalent to analyzing an entire novel in a single conversation. It excels at multilingual understanding, seamlessly switching between Chinese and English while maintaining nuance. Early benchmarks show it competing with GPT-4 on reasoning tasks, particularly in mathematical problem-solving and code analysis.

💥 Why It’s Hot Right Now

Kimi K2's massive context window means you can upload entire codebases, research papers, or legal documents and have detailed discussions without the AI "forgetting" earlier sections. One researcher fed it 50 academic papers on quantum computing and asked it to synthesize contradicting findings—got a coherent analysis with specific citations. The model's multilingual capabilities are particularly impressive for international teams working across language barriers. Processing speed rivals GPT-4 despite handling exponentially more context.

Key Features:

  • 1M+ Token Context Window lets you analyze entire books, codebases, or document collections in one conversation

  • Multilingual Excellence handles Chinese-English code-switching naturally, maintaining context and cultural nuance across languages

  • Advanced Reasoning shows GPT-4-level performance on math, logic, and multi-step problem solving benchmarks

  • Document Analysis can compare multiple lengthy documents, finding patterns and contradictions across hundreds of pages

  • Code Understanding analyzes entire repositories, explaining architecture decisions and suggesting improvements

Real Example: Legal Analysis at Scale

A law firm used Kimi K2 to analyze a merger deal involving 200+ pages of contracts across Chinese and English documents. The AI identified three conflicting clauses that human reviewers had missed, explained jurisdiction implications, and suggested compromise language. Task that would've taken a team days was completed in 90 minutes, with the AI maintaining perfect context across all documents.

⚡ How to Use It

  1. Access at kimi.moonshot.cn (currently requires Chinese phone number for verification, English interface available)

  2. Upload your documents - drag PDFs, Word files, or paste URLs (supports up to 500MB total)

  3. Start with overview questions - "Summarize the main themes across these documents" or "What are the key technical decisions in this codebase?"

  4. Drill into specifics - reference specific sections, ask comparative questions, request examples

  5. Export findings - copy formatted responses or have Kimi generate executive summaries with citations

  6. Use multilingual mode - seamlessly switch languages mid-conversation for international team collaboration

What It Is

While most AI platforms require coding knowledge, Runable (launched 2024, 15,000+ apps built) offers a visual interface where you drag, drop, and connect AI models to create functional applications. Think Webflow meets OpenAI—build customer service chatbots, data analysis tools, or content generators through an intuitive visual editor. The platform handles backend infrastructure, API management, deployment, and scaling automatically. Built for non-technical founders, marketers, and operators who need AI solutions without engineering teams.

🎯 Why People Love It

Runable's visual workflow builder lets you chain multiple AI models together—use Claude for analysis, DALL-E for images, and custom logic for business rules, all in one flow. A solopreneur built a complete customer support system in 3 hours that would've required weeks of development. The platform's template library includes pre-built workflows for common use cases (lead qualification, content generation, data enrichment) that you can customize. Real-time testing lets you preview outputs at each step before deploying.

Key Features:

  • Visual Workflow Builder chains AI models, APIs, and logic blocks together with drag-and-drop simplicity—no code required

  • Multi-Model Support integrates OpenAI, Anthropic, Google, and open-source models in one workflow

  • Built-in Database stores and queries data without setting up external infrastructure

  • API & Webhook Integration connects to Slack, Airtable, Stripe, and 1,000+ tools via Zapier-style connections

  • Automatic Deployment publishes your app with one click, handling hosting, scaling, and monitoring

Real Example: From Manual Process to Automated System

A consulting firm used Runable to build a proposal generator that analyzes RFPs, researches client industries, and drafts customized proposals. Workflow: upload RFP → Claude extracts requirements → Perplexity researches client → GPT-4 generates draft → sends to Slack for review. What used to take their team 4-5 hours per proposal now runs in 15 minutes, letting them respond to 3x more opportunities.

How to Set It Up in 15 Minutes

  1. Sign up at runable.com (free tier includes 100 workflow runs/month, Pro is $49/month)

  2. Choose a template - browse library for use cases like "Lead Enrichment" or "Content Generator" or start blank

  3. Add your data source - connect a form, API, webhook, or database where input comes from

  4. Build your workflow - drag AI model blocks, add logic conditions, chain outputs to inputs

  5. Configure AI models - paste your OpenAI/Anthropic API keys, customize prompts for each step

  6. Test in real-time - use the preview mode to see outputs at each step, adjust prompts until perfect

  7. Deploy & integrate - publish your workflow and get a webhook URL or embed code

Make Every Platform Work for Your Ads

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Stay curious! 🤖 
What's Up in AI Team