Anthropic (Claude)

Anthropic (Claude)

Safety-focused frontier LLM

3 case studies
16 specialists
27 specialists
General Foundation Model

What it's used for

Building applications that require strong reasoning, long-context understanding (up to 200K tokens), and careful instruction following via the Claude API. Particularly effective for document analysis, code generation, structured data extraction, and agentic workflows where safety and steerability matter.

Getting started

Sign up at console.anthropic.com and create an API key from the dashboard. Install the SDK with `pip install anthropic` or `npm install @anthropic-ai/sdk`, then set your key as ANTHROPIC_API_KEY. Usage is billed per token with different rates for each Claude model tier.

$ pip install anthropic` or `npm install @anthropic-ai/sdk`

Case studies

Real Anthropic (Claude) projects

3 workflows automated E-commerce

Autonomous Data Analyst Replacing 3 Workflows

Growth-stage e-commerce company

Challenge

Three separate analyst workflows (competitor pricing, review sentiment, and inventory demand forecasting) required 12 hours of manual work weekly. The team needed real-time insights, not weekly reports.

Solution

Integrated Claude with tool use (web search, SQL queries, Python execution) to build an autonomous analyst that answers ad-hoc business questions. Claude orchestrates the right tools, runs analysis, and returns structured reports.

Results

Three analyst workflows replaced. Insights now available in <2 minutes instead of days. Analysts redeployed to strategic work, contributing to a 23% revenue increase in the following quarter.

3 weeks → 4 hours Private Equity / Finance

Due Diligence Agent — 95% Time Savings for PE Firm

$2B private equity firm

Challenge

A PE firm's deal team spent 3 weeks on standard due diligence per acquisition target — financial analysis, legal review, and market research done manually by junior analysts.

Solution

Used Claude as the reasoning backbone for a 6-agent system coordinating financial, legal, and market research agents. Claude's long context window (200k tokens) enables it to reason across entire financial filings and legal documents simultaneously.

Results

85% of standard due diligence completed in 4 hours. Deal team capacity increased from 6 to 20 targets per quarter. The firm adopted this as their standard process.

95%+ consistency score Media & Publishing

200 Production Prompts with 95%+ Consistency

Global media brand, 10k content pieces/day

Challenge

A media brand had 15 different teams writing ad-hoc prompts for Claude, producing wildly inconsistent content quality. Brand voice drift was so severe that readers could tell which pieces were AI-generated.

Solution

Designed a structured XML prompt architecture using Claude's preferred formatting — system prompts with role definition, constraints, examples, and output schemas. Created a 200-prompt library organized by content type, each with evals.

Results

Content quality score improved 42%. Human editing time reduced from 45 to 8 minutes per piece. Brand voice consistency scores (automated eval) reached 95%+.

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For hire

Anthropic (Claude) specialists

HH

Hamel Husain

Independent AI Consultant & Educator @ Parlance Labs

Featured

Independent ML engineer with 20+ years of experience, formerly at Airbnb and GitHub where he did early LLM research used by OpenAI for code understanding. Co-teaches 'AI Evals for Engineers and PMs' with 3,000+ students from 500+ companies including OpenAI, Anthropic, and Google. Expert on LLM fine-tuning and evaluation systems for production AI products.

LLM Fine-TuningAI EvaluationsML Engineering +1
OpenAIAnthropic ClaudeHugging FaceWeights & BiasesLangChain
Available 81 projects San Francisco
$3,750/session
RB

Riley Brown

AI Developer & Vibe Coding Educator @ Independent

AI developer and educator who raised $9M for an AI application built through 'vibe coding.' Creates comprehensive YouTube tutorials on building apps with AI tools — his 250-minute Cursor guide is the most thorough on the platform. Demonstrates building Mac apps, CLI tools, mobile apps, and websites with Claude Code without writing a single line of code.

Vibe CodingAI App DevelopmentClaude Code +2
CursorClaude CodeAnthropic ClaudeLovablev0 by Vercel
Available 17 projects United States
$150/hr
SD

Shreyas Doshi

Startup Advisor & Product Expert @ Independent (ex-Stripe, Twitter, Google)

Product management expert with 15+ years at Stripe (first PM Manager), Twitter, Google, and Yahoo. Advises AI companies including Anthropic, inVideo AI, Airtable, and SaaS Labs. 400k+ followers for his writing on products, leadership, and management. Teaches popular courses on Maven including Product Sense and PM Career Management. Angel investor and executive coach.

AI Product ManagementProduct StrategyLeadership +1
Anthropic ClaudeChatGPT
Available 70 projects San Francisco
$500/hr
JS

Jeff Su

AI Productivity Expert & Content Creator @ Independent (ex-Google PMM)

Former Google Product Marketing Manager turned AI productivity expert with 1M+ YouTube subscribers. Creates tutorials on using ChatGPT, Claude, Gemini, and Notion AI to 10x workplace productivity. Known for practical, office-worker-focused AI tool tutorials rather than technical deep dives.

AI ProductivityChatGPT WorkflowsGoogle Workspace AI +1
ChatGPTAnthropic ClaudeGoogle GeminiNotion AIPerplexity
Available 45 projects Taipei
$175/hr
DS

Dave Shapiro

AI Researcher & Author @ Independent

Independent AI researcher and author focused on autonomous AI agents, cognitive architectures, and AI alignment. Creates in-depth YouTube content on building AI agent systems, RAG pipelines, and autonomous reasoning. Author exploring the philosophical and practical implications of advanced AI.

AI AgentsAutonomous AIAI Ethics +1
OpenAIAnthropic ClaudeLangChainCrewAI
Available 46 projects United States
$175/hr
AK

Allie K. Miller

AI Advisor & Investor @ Independent (ex-Amazon Head of ML)

Former Head of Machine Learning at Amazon. Now an independent AI advisor, investor, and one of the most-followed AI voices on LinkedIn with millions of followers. Named to Forbes 30 Under 30 and Inc.'s Female Founders list. Advises Fortune 500 companies on AI strategy and invests in AI startups.

AI StrategyEnterprise AIMachine Learning +1
AWS SageMakerOpenAIAnthropic ClaudeChatGPT
Available 45 projects New York
$500/hr
WR

Wes Roth

AI Content Creator & Podcaster @ Independent

YouTube creator with 305k+ subscribers focused on AI news, tools, and breakthroughs. Co-hosts 'AI Pod' podcast interviewing top AI researchers and builders. Self-described 'AI Yoda' teaching the latest AI tools for productivity and profit. Covers AI, robotics, VR, and emerging tech.

AI News AnalysisAI ToolsEmerging Tech +1
ChatGPTAnthropic ClaudeMidjourneyPerplexity
Available 19 projects United States
$100/hr
YK

Yaroslav Kopotilov

Senior Data Scientist & AI Consultant @ Independent ()

Senior data scientist on with extensive experience in predictive modeling, data visualization, and LLM evaluation. Developed internal tools for prompt prototyping at scale. Architected methods for evaluating LLM responses across closed-source and open-source models. Manages complex data science projects with small, agile teams.

Data ScienceLLM EvaluationPredictive Modeling +1
OpenAIAnthropic ClaudeLangfuseHugging Face
Available 40 projects Belgrade
$150/hr
HK

Hiren Kavad

Generative AI Developer @ Independent ()

Artificial Intelligence & Generative AI Developer on with 12+ years of experience. Specializes in GPT-4, OpenAI, RAG systems, and building AI-powered applications. Delivers end-to-end AI solutions from prototyping to production deployment.

Generative AIGPT-4RAG Systems +2
OpenAILangChainPineconeAnthropic Claude
Available 45 projects Ahmedabad
$60/hr
IZ

Ivan Zidov

Expert-Vetted AI (LLM) Engineer @ Independent

6+ years delivering value with NLP, LLM, and chatbot technology. Started using Large Language Models when HuggingFace was still called 'pytorch-pretrained-bert'. Featured in industry fireside chat series as an Expert NLP Engineer.

LangChainLlamaIndexHuggingFace +2
LangChainLlamaIndexHuggingFaceGPT-4oClaude +1
Available 37 projects Prelog
$125/hr
BM

Bruce Meek

Certified Prompt Engineer & AI Engineer | CEO, ArcanEdge.ai @ Independent

Over 120 projects on (many long-term, all five-star). Designs prompt stacks and evaluation frameworks, assembles LLM workflows, and manages AI MVPs — from tax-review assistants and ingredient advisors to master data management tools. Journey from oil rigs to AI innovation. Featured in customer success stories.

OpenAI GPT-4ClaudeLLM Workflow Design +2
OpenAI GPT-4Claude
Available 32 projects Wichita Falls
$100/hr
TK

Tom Kresal

Full-Stack Machine Learning Engineer @ Independent

Full-stack ML engineer working on projects driven by smart algorithms and data. Designed ML systems for accounting document recognition using deep learning. Doubled accuracy of an AI corrosion detection model. Builds highly scalable backend services with Python, FastAPI, Celery, Redis, and MongoDB.

PythonOpenAIAnthropic +2
OpenAIAnthropicLangChainChatGPT
Available 33 projects Rosice
$100/hr
SB

Sean Barrett

AI Content Strategist & Workflow Automation Expert @ Independent

20 years of professional experience focused on digital innovation. Converts manual, fragmented SOPs into automated digital sequences using AI tools, saving hours of overhead and human error. Background in marketing and copy editing ensures every deliverable is meticulously vetted for clarity, psychological impact, and visual balance.

ChatGPT (Advanced Prompting)ClaudeMidjourney +2
ClaudeMidjourney
Available 102 projects Mandeville
$225/hr
AM

Abhik Mukherjee

AI Consultant | RAG Chatbot & Voice Agent Specialist @ Independent

Earned $50,000+ on long-term AI consultancy projects helping clients implement LLM-powered systems and intelligent chatbots. 1000+ hours of consultation for optimizing conversational AI workflows. Expertise spans LLMs, vector search, voice cloning, custom voice model training, and real-time voice transformation using ElevenLabs.

OpenAI GPTLlama 3Claude +2
OpenAI GPTLlama 3ClaudeLangChainHugging Face +1
Available 26 projects Kharagpur
$100/hr
MZ

Mak Ziga

Prompt Engineer | OpenAI, Anthropic, Google & Open-Source Models @ Independent

Started out winning prompt engineering hackathons, now a top-rated freelancer creating prompts for OpenAI, Anthropic, Google, and open-source models with precision that meets client goals. Known for making AI models 'do things you didn't know were possible.'

OpenAI GPTAnthropic ClaudeGoogle Gemini +2
OpenAI GPTAnthropic ClaudeGoogle Gemini
Available 29 projects Vogosca
$100/hr
ZR

Zen van Riel

Senior AI Engineer @ Independent

Former Senior AI Engineer at GitHub and Microsoft. Now independent consultant and educator with 22k+ YouTube following teaching practical AI engineering. Publishes rate guides and strategy content for AI freelancers. Built career from intern to Senior Engineer in 4 years.

AI EngineeringLLM ApplicationsProduction AI Systems +1
OpenAIAnthropic ClaudeLangChain
Available 25 projects Netherlands
$200/hr

Thought leaders

AI leaders using Anthropic (Claude)

Follow for insights, tutorials, and thought leadership

HC

Harrison Chase

LangChain

CEO and co-founder of LangChain, the most widely-used framework for building LLM-powered applications. Legendary for his deep presence in the developer community, paying close attention to developer problems and shipping solutions rapidly. Built the orchestration layer that powers thousands of AI applications in production.

LangChainLangGraphOpenAIAnthropic Claude
San Francisco Leader
JL

Jerry Liu

LlamaIndex

CEO and co-founder of LlamaIndex, the leading framework for building document agents and RAG systems. Previously held roles at Apple, Quora, Two Sigma, and Uber. Under his leadership, LlamaIndex crossed 600,000+ monthly downloads and raised $8.5M from Greylock. Teaches advanced RAG courses on DeepLearning.AI.

LlamaIndexOpenAIPineconeAnthropic Claude
San Francisco Leader
SW

Simon Willison

Independent

British programmer, co-creator of the Django web framework, and one of the best-known software engineers experimenting with LLMs to boost productivity. Runs simonwillison.net, an influential blog offering practical analysis of LLM advancements. Built 77+ HTML/JS apps and 6+ Python apps entirely by prompting LLMs. Created the LLM command-line tool for running prompts from the terminal.

Anthropic ClaudeChatGPTOpenAIClaude Code
El Cerrito Leader
EM

Ethan Mollick

University of Pennsylvania

Associate Professor at Wharton studying AI's effects on work, entrepreneurship, and education. Named one of TIME Magazine's Most Influential People in AI. Author of the NYT bestseller 'Co-Intelligence.' Creator of the One Useful Thing newsletter with 50k+ subscribers. Advised the President's Intelligence Advisory Board on AI. Co-directs Wharton's Generative AI Labs.

ChatGPTAnthropic ClaudeGoogle GeminiGoogle NotebookLM
Philadelphia Leader
S(

Swyx (Shawn Wang)

Latent Space / Smol AI

Editor of Latent Space, the leading AI engineering newsletter and podcast. Popularized the term 'AI Engineer.' Previously led developer tooling at AWS, Two Sigma, and three devtool unicorns (Netlify, Temporal, Airbyte). Former currency options trader. Curates the AI Engineer Summit, the top conference for AI Engineers. Founded Smol AI for LLM data pipelines.

Anthropic ClaudeOpenAILangChainVercel AI SDK
San Francisco Leader
OK

Omar Khattab

Stanford NLP / Databricks

Creator of DSPy, the framework for programming—not prompting—language models. PhD from Stanford NLP, advised by Matei Zaharia and Christopher Potts. Research Scientist at Databricks. DSPy has been adopted by both ML engineers and non-ML software engineers for building modular AI systems with automatic prompt optimization.

DSPyOpenAIAnthropic Claude
Stanford Leader
PG

Paul Gauthier

Aider AI

Creator of Aider, the leading open-source AI pair programming tool with 20,000+ GitHub stars. Previously CTO at Groupon and VP of Engineering at Geomagical Labs (acquired by IKEA in 2021) where he developed computer vision for AR applications. BS from Dalhousie, MS from University of Washington, PhD-level research at UC Berkeley.

AiderOpenAIAnthropic Claude
San Francisco Leader
JL

Jason Liu

Independent / 567 Labs

Creator of Instructor, the most popular Python library for structured data extraction from LLMs with 3M+ monthly downloads and 11k+ GitHub stars. Former Staff ML Engineer at Stitch Fix. Instructor was cited by OpenAI as inspiration for their structured output feature. Works as a freelancer solving business problems using structured LLM outputs.

InstructorOpenAIAnthropic ClaudeGoogle Gemini
New York Leader
MS

Matt Shumer

OthersideAI / HyperWrite

Co-founder and CEO of OthersideAI (HyperWrite), building advanced AI autocomplete and writing tools. Creator of the open-source GPT-Prompt-Engineer tool. Angel investor through Shumer Capital backing AI infra, dev tools, and agent-native products. His viral 5,000-word essay on AI drew 75M+ views on X and was covered by Fortune, Inc., and major media.

OpenAIChatGPTAnthropic Claude
United States Leader
CK

Cassie Kozyrkov

Kozyr (formerly Google Chief Decision Scientist)

CEO of Kozyr and formerly Google's first Chief Decision Scientist. Pioneered the field of Decision Intelligence at Google. Now focuses on AI governance, leadership strategy, and organizational AI transformation. Known for making complex AI concepts accessible to business leaders.

ChatGPTGoogle GeminiAnthropic Claude
United States Leader

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