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Hatz LLM Guide

A beginner-friendly guide to choosing the best AI model for your use case

Updated this week

How to use this guide

Hatz gives you access to dozens of AI models from different companies. Each has strengths and tradeoffs (speed, cost, quality, special abilities). This guide helps you pick the right one for your task—whether you're chatting, building a Workshop app, or running an agent.

Quick tips:

  • Cheaper/faster models → great for simple tasks, high volume, or quick iterations

  • Stronger/pricier models → better for complex reasoning, long documents, or important outputs

  • Vision models → can understand images you upload

  • Image generation models → can create or edit images from your description

  • Integrations + Tools → If you want to use tools / integrations, make sure the model you choose has the tool icon

See all of the models at a glance here.


Hatz AI model selector quiz:


TL;DR

Recommended LLMs for different tasks:

Basic Chatting

Amazon Nova Lite 2, or any model really!

Image Generation

Gemini 3 Pro Image (Nano Banana Pro)

Web Search

Grok 4, Gemini 2.5 Flash

Agents

Claude 4.5 Opus, GPT-5.1

Document Summary

Gemini 2.5 Pro, Amazon Nova Pro

Creative Writing

Claude 4 Sonnet, Mistral Large

Integrations

GPT-5.2, Claude 4.5 Sonnet

Phone Agent

Claude 4.5 Haiku, Grok 3 Fast

Multilingual

Mistral 3 Large

Problem Solving

o1, Grok 4

Another way to look at it (since there's no right or wrong answer!):


LLM Overview

Amazon (Nova)

About Amazon: Amazon's Nova models are designed for reliability. They're solid all-around performers with good speed and competitive pricing—great for everyday business tasks.

Nova Micro

  • Good at: Lightning-fast, very cheap text tasks

  • Use it for: Sorting emails, tagging support tickets, quick yes/no decisions

  • Try this prompt:

    • "Categorize this customer message as: Billing, Technical Support, Sales Inquiry, or General Question: [paste message]"

Nova Lite

  • Good at: Fast summaries and everyday chat

  • Use it for: Summarizing meeting notes, answering FAQs, drafting short replies

  • Try this prompt:

    • "Summarize this meeting transcript into 5 bullet points with action items: [paste transcript]"

Nova Pro

  • Good at: Smarter reasoning and analysis

  • Use it for: Analyzing reports, answering complex questions, creating detailed plans

  • Try this prompt:

    • "Review this quarterly report and identify the 3 biggest risks and 3 biggest opportunities for our team: [paste report]"

Nova Lite 2

  • Good at: Budget-friendly general assistant

  • Use it for: Day-to-day chat, quick drafts, simple Q&A

  • Try this prompt:

    • "Write a friendly out-of-office email saying I'll be back Monday and to contact [name] for urgent issues."

Anthropic (Claude)

About Anthropic: Anthropic builds the Claude family, known for being helpful, thoughtful, and good at following nuanced instructions. Claude models excel at writing, analysis, and working with documents. They're favorites for agents and tool-using workflows.

Claude 3 Haiku

  • Good at: Very fast, short responses

  • Use it for: Quick summaries, customer support snippets, simple extractions

  • Try this prompt:

    • "Extract the customer's name, email, and main complaint from this support ticket: [paste ticket]"

Claude 3 Sonnet

  • Good at: Balanced writing and analysis

  • Use it for: Rewriting documents, answering research questions, drafting content

  • Try this prompt:

    • "Rewrite this company policy in plain English that any employee can understand: [paste policy]"

Claude 3.5 Sonnet v2

  • Good at: High-quality writing and longer documents

  • Use it for: Blog posts, reports, editing drafts, detailed explanations

  • Try this prompt:

    • "Turn these rough notes into a polished 500-word blog post about [topic]: [paste notes]"

Claude 3.7 Sonnet

  • Good at: Agents and using tools

  • Use it for: Workshop agents that search the web, look up data, or take multi-step actions

  • Try this prompt:

    • "Research the top 3 competitors for [company] and summarize their pricing, key features, and customer reviews."

Claude 3.5 Haiku

  • Good at: Fast agents and quick iterations

  • Use it for: Agents that need to respond quickly, real-time assistants

  • Try this prompt:

    • "You're a helpful assistant. Answer this customer question briefly and clearly: [paste question]"

Claude 4 Sonnet

  • Good at: Reliable agents and detailed work

  • Use it for: Support agents with tool access, multi-step workflows, quality content

  • Try this prompt:

    • "Act as a customer success agent. Use available tools to look up this customer's account and draft a personalized renewal offer."

Claude 4 Opus

  • Good at: Deep thinking and complex problems

  • Use it for: Strategic analysis, hard questions, thorough document review

  • Try this prompt:

    • "Analyze this contract and list every clause that could be risky for us, explaining why in plain terms: [paste contract]"

Claude 4.5 Opus

  • Good at: Top-tier reasoning and enterprise work

  • Use it for: Financial analysis, executive summaries, complex decision support

  • Try this prompt:

    • "Review these three vendor proposals and recommend which one we should choose, with pros/cons for each: [paste proposals]"

Claude 4.5 Sonnet

  • Good at: Strong all-around performance

  • Use it for: Marketing content, quality assurance, general business tasks

  • Try this prompt:

    • "Write 3 variations of a LinkedIn post announcing our new product launch. Make them professional but engaging."

Claude 4.5 Haiku

  • Good at: Cheapest fast agent work

  • Use it for: High-volume automated tasks, monitoring alerts, quick classifications

  • Try this prompt:

    • "Classify this incoming lead as Hot, Warm, or Cold based on their message: [paste message]"

DeepSeek

About DeepSeek: DeepSeek specializes in reasoning-heavy models. When you need an AI that "thinks harder" on tricky problems, DeepSeek delivers.

DeepSeek R1

  • Good at: Hard problem-solving and logic

  • Use it for: Complex analysis, multi-step reasoning, tricky questions

  • Try this prompt:

    • "Walk me through step-by-step how to calculate the break-even point for a product with these costs and pricing: [paste details]"

Google (Gemini)

About Google: Google's Gemini models are known for handling very long documents, fast performance, and multimodal abilities (text + images + tools). Great for summarizing large files and creative work.

Gemini 1.5 Flash

  • Good at: Fast summaries of long documents

  • Use it for: Summarizing lengthy PDFs, transcripts, or research papers quickly

  • Try this prompt:

    • "Summarize this 50-page report into a 1-page executive summary with key findings and recommendations: [upload document]"

Gemini 2.0 Flash

  • Good at: Fast general chat

  • Use it for: Customer-facing chatbots, quick Q&A, responsive assistants

  • Try this prompt:

    • "Answer this product question helpfully and suggest a relevant upsell: [paste question]"

Gemini 2.0 Flash Lite

  • Good at: Cheapest bulk text processing

  • Use it for: Processing thousands of emails, tagging content, simple classifications

  • Try this prompt:

    • "Is this email spam, promotional, or important? Just answer with one word: [paste email]"

Gemini 1.5 Pro

  • Good at: Deep analysis of long documents

  • Use it for: Contract review, legal research, analyzing lengthy reports

  • Try this prompt:

    • "Read this entire contract and create a summary table of: parties involved, key dates, payment terms, and termination clauses: [upload contract]"

Gemini 2.5 Flash

  • Good at: Fast production workloads

  • Use it for: Knowledge base pipelines, bulk summarization, automated workflows

  • Try this prompt:

    • "Convert this help article into 3 FAQ entries with clear questions and answers: [paste article]"

Gemini 2.5 Flash Image (Nano Banana)

  • Good at: Fast image generation

  • Use it for: Quick ad variations, social media graphics, brainstorming visuals

  • Try this prompt:

    • "Create a colorful social media graphic for a summer sale with the text '50% OFF' and beach vibes."

Gemini 2.5 Pro

  • Good at: Best Gemini reasoning

  • Use it for: Market research, competitive analysis, nuanced synthesis

  • Try this prompt:

    • "Analyze these 5 customer interview transcripts and identify the top 3 recurring themes and pain points: [paste transcripts]"

Gemini 3 Pro Preview

  • Good at: Testing newest features

  • Use it for: Experimenting with new capabilities before they're fully released

  • Try this prompt:

    • "Try answering this complex question and let me know if you can handle it better than before: [paste question]"

Gemini 3 Pro Image (Nano Banana Pro)

  • Good at: Best-in-class image generation

  • Use it for: Professional campaign visuals, brand imagery, high-quality creative assets

  • Try this prompt:

    • "Create a professional product photo of a modern laptop on a clean white desk with soft natural lighting and a plant in the background."

Meta (Llama)

About Meta: Meta's Llama models are versatile and can be leveraged for just about any business use case.

Llama 3.1 70B Instruct

  • Good at: High-quality assistant

  • Use it for: Analyzing internal documents

  • Try this prompt:

    • "Summarize this confidential HR policy document and highlight sections that need updating: [paste document]"

Llama 3.1 8B Instruct

  • Good at: Cheap chat assistant

  • Use it for: Internal FAQ bots, simple Q&A on private systems

  • Try this prompt:

    • "Answer this employee's question about our PTO policy based on the handbook: [paste question]"

Llama 3.2 1B Instruct

  • Good at: Ultra-lightweight tasks

  • Use it for: Very simple classifications, edge computing

  • Try this prompt:

    • "Complete this sentence professionally: 'Thank you for your email, I will...'"

Llama 3.2 11B Instruct

  • Good at: Balanced chat

  • Use it for: Internal HR or IT helpdesk bots

  • Try this prompt:

    • "Help this employee troubleshoot their VPN connection issue: [paste their description]"

Llama 4 Maverick 17B Instruct

  • Good at: Stronger mid-size assistant

  • Use it for: Sales email drafting, better-quality internal chat

  • Try this prompt:

    • "Write a follow-up sales email to a prospect who attended our webinar but hasn't responded yet."

Llama 4 Scout 17B Instruct

  • Good at: Fast drafting and exploration

  • Use it for: Content outlining, brainstorming, quick agent loops

  • Try this prompt:

    • "Create a detailed outline for a whitepaper about [topic] with 5 main sections and key points for each."

Mistral

About Mistral: A French AI company known for efficient, high-quality models. Mistral punches above its weight—strong performance at reasonable cost, popular for European users.

Mistral 8x7B Instruct (Mixtral)

  • Good at: Efficient bulk work

  • Use it for: Summarizing backlogs, processing documents at scale

  • Try this prompt:

    • "Summarize each of these 10 support tickets into one sentence each: [paste tickets]"

Mistral Large

  • Good at: High-quality writing

  • Use it for: Proposals, professional documents, polished content

  • Try this prompt:

    • "Write a professional proposal introduction for a consulting engagement with [client] about [project]."

Mistral Large 3

  • Good at: Best Mistral reasoning

  • Use it for: Detailed analysis, nuanced writing, smart recommendations

  • Try this prompt:

    • "Analyze our Q3 sales data and write a narrative explaining the trends, with 3 actionable recommendations: [paste data]"

Mistral 7B Instruct

  • Good at: Cheap basic tasks

  • Use it for: Simple chatting, basic templated responses

  • Try this prompt:

    • "Write a polite response declining a meeting request due to scheduling conflicts."

OpenAI (ChatGPT)

About OpenAI: The creators of ChatGPT. OpenAI offers the most well-known AI models, ranging from ultra-cheap to frontier-quality. Known for reliability, broad capabilities, and strong ecosystem support.

GPT-4.1

  • Good at: Reliable quality work

  • Use it for: Business analysis, detailed content, dependable assistant tasks

  • Try this prompt:

    • "Create a SWOT analysis for launching [product] in [market] based on these notes: [paste notes]"

GPT-4.1 Mini

  • Good at: Cost-effective assistant

  • Use it for: Helpdesk replies, everyday summaries, general chat

  • Try this prompt:

    • "Draft a helpful reply to this customer question about shipping times: [paste question]"

GPT-4.1 Nano

  • Good at: Ultra-cheap bulk processing

  • Use it for: Classifying thousands of items, simple yes/no decisions

  • Try this prompt:

    • "Is this product review positive, negative, or neutral? Answer in one word: [paste review]"

GPT 4.5 Preview

  • Good at: Testing newest OpenAI features

  • Use it for: Trying out improvements before general release

  • Try this prompt:

    • "Test: Give me a creative solution to this unusual business problem: [describe problem]"

GPT 4o

  • Good at: Vision + chat (understands images)

  • Use it for: Analyzing screenshots, reading receipts, describing images

  • Try this prompt:

    • "What does this receipt show? Extract the vendor, date, total, and list of items: [upload image]"

GPT 3.5 Turbo

  • Good at: Cheapest basic chat

  • Use it for: Simple drafts, basic Q&A, budget-conscious tasks

  • Try this prompt:

    • "Write a short thank-you email for attending our event."

o1

  • Good at: Deep reasoning and planning

  • Use it for: Complex decisions, detailed analysis, strategic thinking

  • Try this prompt:

    • "I need to decide between these 3 business options. Walk me through the pros, cons, and your recommendation: [describe options]"

o3-mini

  • Good at: Budget-friendly reasoning

  • Use it for: Troubleshooting, logical problems, step-by-step guidance

  • Try this prompt:

    • "Help me troubleshoot why our email open rates dropped 20% this month. Ask me clarifying questions and suggest causes."

GPT 4

  • Good at: Reliable classic quality

  • Use it for: General enterprise work, trusted assistant tasks

  • Try this prompt:

    • "Summarize this article and extract 5 key takeaways for our leadership team: [paste article]"

o3

  • Good at: Strong reasoning

  • Use it for: Financial reviews, complex analysis, detailed breakdowns

  • Try this prompt:

    • "Review this budget proposal and identify any line items that seem out of range or need justification: [paste budget]"

o4-mini

  • Good at: Fast, cheap reasoning

  • Use it for: Real-time agent decisions, quick problem-solving

  • Try this prompt:

    • "Based on this customer's history, should we offer them a discount, a free trial extension, or schedule a call? [paste history]"

GPT-5 nano

  • Good at: Fastest, cheapest text

  • Use it for: High-volume extraction, form processing, instant routing

  • Try this prompt:

    • "Extract the name, email, and phone number from this form submission: [paste text]"

GPT-5 mini

  • Good at: Cheap agents and summaries

  • Use it for: Meeting notes to tasks, automated assistants

  • Try this prompt:

    • "Convert these meeting notes into a task list with owners and due dates: [paste notes]"

GPT-5 Chat

  • Good at: Conversational assistant

  • Use it for: Customer-facing chat, friendly help experiences

  • Try this prompt:

    • "You're a friendly assistant for [company]. Help this user find the right product for their needs: [paste user question]"

GPT-5

  • Good at: Top-tier general quality

  • Use it for: Important deliverables, complex projects, best results

  • Try this prompt:

    • "Write a comprehensive market analysis for [industry] covering trends, key players, opportunities, and threats."

GPT-5.1

  • Good at: Best quality general work

  • Use it for: Executive briefings, high-stakes content

  • Try this prompt:

    • "Prepare an executive briefing on [topic] for our board meeting. Make it concise but thorough."

GPT-5.2

  • Good at: Top reasoning and accuracy

  • Use it for: Critical analysis, complex documents, maximum reliability

  • Try this prompt:

    • "Audit this process document for gaps, inconsistencies, or compliance risks: [paste document]"

xAI (Grok)

About xAI: Elon Musk's AI company. Grok models are designed to be helpful, witty. Good for research and current events.

Grok 2

  • Good at: General chat with personality

  • Use it for: Content ideation, casual brainstorming, social media ideas

  • Try this prompt:

    • "Give me 10 creative tweet ideas for promoting our new product launch."

Grok 2 Vision

  • Good at: Image understanding and OCR

  • Use it for: Reading text from screenshots, describing images, visual Q&A

  • Try this prompt:

    • "Read this whiteboard photo and transcribe all the text and diagrams into organized notes: [upload image]"

Grok 3

  • Good at: Reasoning and agents

  • Use it for: Research agents, analysis with tool use

  • Try this prompt:

    • "Research the latest news about [company/topic] and summarize the top 5 developments from the past week."

Grok 3 Fast

  • Good at: Fastest chat responses

  • Use it for: Live chat, real-time assistants, quick interactions

  • Try this prompt:

    • "Quickly answer this customer's question about our return policy: [paste question]"

Grok 3 Mini

  • Good at: Cheap general tasks

  • Use it for: Bulk summarization, simple content work

  • Try this prompt:

    • "Summarize this news article in 2 sentences: [paste article]"

Grok 3 Mini Fast

  • Good at: Cheapest quick loops

  • Use it for: Agent routing, rapid short tasks, high-volume decisions

  • Try this prompt:

    • "Should this support ticket go to Billing, Technical, or Sales? Just answer with the department: [paste ticket]"

Grok 4

  • Good at: Research and deep reasoning

  • Use it for: Web search synthesis, trend analysis, investigative research

  • Try this prompt:

    • "Search for the latest trends in [industry] and write a briefing on what our competitors are doing and what we should consider."

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