53 tools · AI & Prompt Tools
AI & Prompt Tools tools
Prompt builders, token counters, and prompt libraries for ChatGPT, Claude, Gemini, and image models.
Popular in ai & prompt tools
AI & Prompt Tools
AI Prompt Generator
Turn a vague idea into a structured prompt. Pick role, task, context, constraints, and output format. Works with ChatGPT, Claude, and Gemini.
AI & Prompt Tools
AI Prompt Library
Browse a curated catalog of prompt templates for writing, coding, marketing, and research. One click to copy.
AI & Prompt Tools
Custom GPT & Claude Project Prompt Builder
Build a full custom GPT or Claude Project prompt with persona, rules, examples, and output schema. One copy-paste block for ChatGPT, Claude Projects, and assistants.
AI & Prompt Tools
AI Image Prompt Builder
Build structured image prompts: subject, style, camera, lighting, and negative prompt. Paste straight into Midjourney, DALL·E, or Stable Diffusion.
AI & Prompt Tools
AI Art Style Picker
Browse 40+ art styles — photoreal, anime, watercolor, cyberpunk — with the exact prompt snippet to paste into any image generator.
AI & Prompt Tools
AI Token Counter
Estimate tokens, characters, words, and approximate API cost for GPT-4o, GPT-4, Claude, and Gemini — before you hit send.
More ai & prompt tools tools
- AI Model ComparisonSide-by-side spec sheet of frontier models: context window, input/output price, multimodal support, strengths, and best-fit use cases.
- Prompt ImproverTransform any vague prompt into a specific, structured, example-driven version instantly. Get a free online improvement checklist with no sign-up.
- AI Chat Export FormatterPaste a ChatGPT JSON export or Claude markdown transcript, get a clean readable transcript you can share, archive, or publish.
- AI Writing HumanizerRewrite AI-generated text to sound more human. Removes typical tells — 'delve into', 'in the realm of', 'tapestry' — and tightens prose.
- LLM Context Window CalculatorCheck if your tokens fit GPT-4o, Claude, Gemini, Llama, or Mistral context windows — see headroom and percent used. Free, instant, browser-only.
- AI Cost EstimatorEstimate daily, monthly, and yearly API cost for GPT-4o, Claude, Gemini, and more based on your traffic and token usage.
- System Prompt BuilderCompose a focused system prompt from a role, tone, constraints, and output format — copy-ready for any LLM.
- Agent JSON ValidatorPaste tool-call or agent-output JSON — parse, pretty-print, highlight errors, and count keys and depth.
- AI Regex GeneratorDescribe what you want to match in plain English — get a canonical regex (email, URL, phone, UUID, etc.) plus a live test.
- Jailbreak Risk ScorerCheck prompts for injection patterns and DAN-style attempts with a free instant risk score in your browser—no sign-up, just paste and analyze.
- AI Sampling Settings HelperFind the right temperature, top_p, top_k, and penalties for code, creative, factual, or reasoning prompts. Free, instant — no sign-up needed.
- Chain-of-Thought FormatterWrap any question in a structured Understand → Plan → Execute → Verify CoT template to boost reasoning quality.
- Embedding Cost EstimatorEstimate total tokens and cost for embedding a corpus online. Compare OpenAI, Voyage, Cohere, and more at once — free tool, instant results.
- AI Output Length EstimatorPredict how many tokens an LLM will generate for summaries, rewrites, code, or essays — and budget max_tokens. Free, instant, no sign-up needed.
- AI Consulting ROI CalculatorEstimate the ROI of an AI consulting engagement before signing. Inputs: project fee, hours saved per week, hourly rate, ongoing API cost.
- AI Tool Evaluation ScorecardScore any AI vendor across 7 weighted criteria — privacy, integration cost, recurring cost, output quality, vendor stability, compliance fit, switching cost.
- GitHub Copilot ROI CalculatorEstimate the annual return on investment for GitHub Copilot by inputting team size, dev hours, and hourly rate. Get an instant projection with this free online tool.
- Gemini vs ChatGPT Cost CalculatorCompare per-token pricing across Gemini 3 Pro, 2.5 Pro/Flash, GPT-5/mini/nano, and GPT-4o. See which model wins at your input/output mix.
- Claude vs DeepSeek Cost CalculatorSide-by-side cost for Claude Opus 4.7, Sonnet 4.6, Haiku 4.5 vs DeepSeek V3.2 and R1 — at your real volume.
- Prompt Cache Savings CalculatorCalculate your monthly savings from prompt caching across Anthropic, OpenAI, and Gemini. 90% off cached input tokens — usually pays back instantly.
- Batch API Savings CalculatorAnthropic, OpenAI, Gemini, and DeepSeek all offer 50% off via batch APIs. Calculate your savings on bulk classification, embeddings, and evals.
- Multimodal Prompt Cost EstimatorEstimate costs for prompts that include images, video, or audio. Uses standard token conversions in seconds. A free, no-sign-up online estimator for your AI projects.
- AI Agent Loop Cost EstimatorAgent loops accumulate context every step. This calculator runs the triangular-sum cost across 7 frontier models so you don't get a surprise bill.
- Embeddings Cost ComparisonCompare cost-per-million-tokens across 8 embedding providers with benchmark scores online. Pick the right model for your RAG corpus — free, instant.
- AI Coding Tool Cost ComparisonCompare monthly cost across 9 AI coding plans: GitHub Copilot, Cursor Pro/Ultra, Windsurf, Claude Pro/Max, Cody, Continue.dev — at any team size.
- AI Monthly Cost BudgeterList every AI subscription and API spend, set a budget, see your over/under at a glance. Free tracker for ChatGPT, Claude, Gemini, Cursor, and more.
- Frontier AI Model TrackerLive tracker of every frontier AI model: Claude 4.x, GPT-5, Gemini 3 Pro, DeepSeek R1/V3.2, Kimi K2, Grok 4, Llama 4, Qwen 3.5, Mistral Large 3.
- AI Feature Comparison MatrixVision, audio, video, tool use, web search, code interpreter, file upload, voice mode, memory, agents — across ChatGPT, Claude, Gemini, Perplexity, and 6 more.
- AI API Rate Limit TrackerCurrent RPM, TPM, and daily quota limits across Anthropic, OpenAI, Google, DeepSeek, Perplexity, xAI — by tier, including ChatGPT Plus/Pro caps.
- Local vs API Break-even CalculatorHow many months until self-hosting pays back vs using API? Compare Mac Studio, RTX 4090/5090, and Hyperspace pods at your usage level.
- Prompt RewriterPaste your prompt, get a quality score, and copy a structured Role/Task/Audience/Constraints/Format template instantly with no registration needed.
- System Prompt GeneratorGenerate a structured system prompt for ChatGPT Custom GPTs, Claude Projects, Gemini Gems, or API workloads. Role + style + must/never + examples.
- AI Model Picker Quiz4-question quiz to recommend an AI model + tool combo: Claude, ChatGPT, Gemini, DeepSeek, Cursor, Copilot. Tuned by use case + budget + priority.
- Prompt Injection DetectorScan text for prompt-injection patterns like role hijacks and hidden unicode instantly. Free online detector tool with no sign-up, browser-only.
- MCP Server PickerSelect a workflow like coding, research, or scraping to get recommended MCP servers with a copy-paste Claude Desktop config. Free online tool, no signup required.
- AI Readiness Score12-question assessment: are you ready to roll out AI to your team? Scored 0-100 with a verdict and the gaps to close before adoption.
- Agentic Browser ComparisonCompare 7 AI browsers: ChatGPT Atlas, Comet, Dia, Microsoft Copilot in Edge, Chrome+Gemini, Brave Leo, Arc Search. Features, privacy, pricing.
- AI Voice Mode ComparisonCompare AI voice tools: ChatGPT Advanced Voice, Gemini Live, Claude Voice, Grok, Apple Intelligence, ElevenLabs, Sesame Maya. Latency + access + best use.
- AI Video Tool TrackerLive tracker of every AI video generator: Sora 2, Veo 3, Runway Gen-4, Kling 2.5, Pika 2.5, Hedra, Higgsfield, Luma, HunyuanVideo, CogVideoX.
- AI Music Generators ComparedCompare 8 AI music tools: Suno v4.5, Udio, Riffusion FUZZ, ElevenLabs Music, Sonauto, Stable Audio 2.5, AIVA. Pricing, licenses, best use cases.
- AI Search Engines ComparedCompare 8 AI search engines: Perplexity, ChatGPT Search, Google AI Overviews, Bing Copilot, You.com, Phind, Kagi, DuckDuckGo. Models, citations, pricing.
- AI Agent Platforms Compared10 agentic AI platforms compared: ChatGPT Operator/Atlas, Claude Computer Use, Devin, Manus, Replit Agent, Cursor Background Agents, Bolt.new, v0, Lovable.
- AI Context Window PlannerPlan your prompt budget across system + docs + history + output + buffer. See which AI models (Claude, GPT, Gemini, DeepSeek, Kimi) fit your needs.
- AI Data Residency CheckerFind AI providers compliant with your region (US, EU, UK, APAC, Canada) and certifications (SOC 2, HIPAA). Includes Bedrock, Azure, Mistral, self-host.
- AI Transcription Tools Compared9 transcription tools compared: Otter, Whisper API, Deepgram Nova-3, AssemblyAI, Rev, Sonix, Granola, Zoom AI, MacWhisper. Accuracy, languages, pricing.
- Open-Source LLM TrackerLive tracker of 15 open-weight LLMs: Llama 3.3/4, Qwen 3.5, DeepSeek V3.2/R1, Kimi K2, Mistral Large 3, Gemma 3, Phi-4, SmolLM3. Filter by license.
- AI Image Prompt HelperBuild effective image prompts: pick style, lighting, camera, aspect ratio, extras. Outputs prompt + negative prompt for Midjourney, DALL-E, FLUX, SD 3.5.
Guides about ai & prompt tools
Guide · AI & Prompt Tools
How to Set Up an AI Agent
Navigate a plain-English decision tree to pick the right AI agent stack for 2026. Free, instant online walkthrough, no sign-up.
Guide · AI & Prompt Tools
How to Use ChatGPT Agent Mode
Where /agent is available (Plus, Pro, Team — not Free), the 8 tasks it actually does well, and the 5 it can't. Plus the briefing template that works.
Guide · AI & Prompt Tools
How to Build an Agent with the OpenAI Agents SDK
Build a working Python agent with OpenAI's Agents SDK — tools, handoffs, guardrails, and the model-native sandbox harness. Free guide, no sign-up needed.
Guide · AI & Prompt Tools
How to Build an Agent with the Claude Agent SDK
Build an agent with the Claude Agent SDK — install, write custom tools, add hooks, compose sub-agents on the harness powering Claude Code. Free guide.
Guide · AI & Prompt Tools
How to Set Up Claude Code
Configure Claude Code with permissions, MCP servers, and sub-agents for a full working setup. Free browser-only guide, no sign-up.
Guide · AI & Prompt Tools
How to Set Up Cursor AI IDE
Optimize Cursor AI IDE modes, .cursorrules, and model picks to avoid credit-pricing traps. Free, instant configuration guide, no sign-up.
Guide · AI & Prompt Tools
How to Use GitHub Copilot Agent Mode
Go from a GitHub issue to a reviewable PR with Copilot Workspace — plan review, model picker, copilot-instructions.md, and iteration by comment.
Guide · AI & Prompt Tools
How to Build a Multi-Agent System with CrewAI
Create a three-agent Python crew — Researcher, Writer, Editor — using four primitives and cost control tips. Start building your free system instantly online.
Guide · AI & Prompt Tools
How to Build a Stateful Agent with LangGraph
Build a long-running LangGraph agent with state, nodes, conditional edges, and SQLite checkpointing — pause, resume, and debug it. Free guide, no signup.