Free AI tools

144 interactive tools — cost calculators, readiness checkers, generators and request testers. No signup required.

Agent Run Cost Calculator — compare AI agent pricing

Free interactive Plugsky tool — no signup required.

Agent Workflow Designer — Free Online Tool

Plan multi-step AI agent workflows free. Map model calls, tool use, conditionals and human review steps before

Ai Agent Builder

Free interactive Plugsky tool — no signup required.

Best AI Agent? Compare Manus, Perplexity & More

Free interactive Plugsky tool — no signup required.

AI Agent Cost Calculator

Estimate AI agent running costs from monthly token usage and compare input, output and total spend across Plug

AI Agent Prompt Generator

Generate a structured system prompt for an AI agent from its role, tools and goal, then copy it into your agen

AI API Key Security Checklist — Free Online Tool

Free AI API key security checklist covering rotation, encryption, least-privilege scopes, access control and m

AI API Pricing Tracker — Free Online Tool

Track AI API pricing changes across providers and compare plans before you commit. Free reference page with cu

AI Citation Checker — Free Online Tool

Review citations in AI-generated text: check that referenced URLs, papers and data sources exist and actually

AI Content Detector — Free

Free interactive Plugsky tool — no signup required.

Ai Data Residency Checklist

Free interactive Plugsky tool — no signup required.

AI Text Humanizer — Free

Free interactive Plugsky tool — no signup required.

AI/ML API API Cost Calculator 2026 | Compare with Plugsky

Estimate your AI/ML API monthly costs and compare them against Plugsky's published rates with this token-based

AI Model Pricing Calculator

Compare published per-token AI model pricing across major providers. Enter monthly input and output tokens to

Ai Prompt Generator

Free interactive Plugsky tool — no signup required.

AI ROI Calculator — Free Online Tool

Estimate AI ROI from hours saved, hourly rate, monthly AI cost and implementation cost. See weekly savings, fi

AI Workload Router Simulator — Free Online Tool

Simulate routing AI requests across model tiers to cut cost without losing quality. Free tool for planning LLM

Anthropic Claude API Cost Calculator 2026 | Compare with Plugsky

Estimate Anthropic Claude API costs at your monthly token volume and compare them with Plugsky's per-token pri

API Latency Tester — Free Online Tool

Measure LLM API latency: time-to-first-token, throughput and regional performance, with guidance on p50 and p9

API Migration Checker — Free Online Tool

Free API migration checker for OpenAI-compatible switches. Review SDK calls, endpoints and auth before moving

Automation Savings Calculator — Free Online Tool

Estimate AI automation savings in hours, cost and productivity. Framework for judging whether a workflow is wo

AWS Bedrock API Cost Calculator 2026 | Compare with Plugsky

Estimate AWS Bedrock API costs from monthly token usage and compare them with Plugsky for Claude, Llama, Mistr

Azure OpenAI API Cost Calculator 2026 | Compare with Plugsky

Estimate monthly Azure OpenAI token costs and compare them with Plugsky's published rates. Free, no sign-up, i

Batch API Savings Calculator — Free Online Tool

Compare batch processing costs with real-time API pricing. Enter monthly token volumes to estimate input, outp

Which AI Model Should You Use? Free Picker

Free interactive Plugsky tool — no signup required.

Best Model for Agents Selector

Pick a model for your AI agent by use case: research, coding, support, browser automation or data analysis, wi

Best Model for Coding Selector

Pick the best Plugsky model for coding by language and task. Free selector for code generation, debugging, rev

Best Model for RAG Selector

Pick the best LLM for RAG by context window and budget. Free selector recommends a starting model for retrieva

Browser Automation Generator

Free interactive Plugsky tool — no signup required.

Cerebras API Cost Calculator 2026 | Compare with Plugsky

Estimate Cerebras API costs from monthly token usage and compare them with Plugsky for Cerebras-GPT and Llama

Chat With Pdf

Free interactive Plugsky tool — no signup required.

ChatGPT Alternative — Unlimited AI Models

Free interactive Plugsky tool — no signup required.

Claude Alternative Finder — find the best AI for your needs

Free interactive Plugsky tool — no signup required.

Claude Alternative — Compare Models & Price

Free interactive Plugsky tool — no signup required.

Claude Api Cost Calculator

Free interactive Plugsky tool — no signup required.

Cloudflare Workers AI API Cost Calculator 2026 | Compare with Plugsky

Estimate Cloudflare Workers AI inference costs from your token volume and compare them with Plugsky's publishe

Cohere API Cost Calculator 2026 | Compare with Plugsky

Estimate Cohere API costs for generation, embedding and rerank workloads and compare them with Plugsky's OpenA

Context Window Comparison — Free Online Tool

Compare LLM context windows from 4K to 1M tokens to find the right model for long documents, RAG and code revi

Data Residency Checker — Free Online Tool

Check AI data residency requirements by region and industry, and see which providers and deployment models can

DeepSeek API Cost Calculator 2026 | Compare with Plugsky

Estimate DeepSeek API costs at your monthly token volume and compare input, output and total spend with Plugsk

Docker Compose Generator for Local AI — Free Online Tool

Generate a Docker Compose file for a local AI stack with Ollama or LocalAI plus Chroma or Qdrant, then review

Embedding API Tester — Free Online Tool

Compare embedding APIs by dimensions, latency and retrieval quality on your own text. Free tester for RAG and

Embedding Cost Calculator

Compare embedding API costs across providers. Enter monthly token volumes to estimate indexing and query spend

Embedding Model Comparison — Free Online Tool

Compare embedding models by dimensions, max input, pricing and benchmark scores to find the right one for sema

EU AI Act Checker — Free Online Tool

Free EU AI Act checker: classify your AI system by risk tier, then review the documentation and obligations th

Eu Ai Act Compliance Checker

Free interactive Plugsky tool — no signup required.

FAQ Schema Generator — Free Online Tool

Generate FAQPage JSON-LD structured data for your pages. Free browser-based FAQ schema generator for SEO and A

Fine-Tuning Cost Calculator — Free Online Tool

Estimate monthly LLM serving costs from input and output token volumes and compare Plugsky, OpenAI, Anthropic,

Fireworks AI API Cost Calculator 2026 | Compare with Plugsky

Estimate Fireworks AI monthly token costs and compare them with Plugsky's published rates. Free calculator wit

Free Ai Chat

Free interactive Plugsky tool — no signup required.

Free API Limits Tracker — Free Online Tool

Compare free-tier AI API limits across providers: RPM, TPM, concurrency and credit-card requirements. Track fr

Function Calling Schema Generator

Generate OpenAI-compatible function calling schemas from a function name, description and parameter list, read

Function Calling Tester — Free Online Tool

Test function and tool calling across models: selection accuracy, schema adherence and JSON validity. Free che

Gemini Api Cost Calculator

Free interactive Plugsky tool — no signup required.

Gemini alternative — Google's AI plus 30+ models in one subscription

Free interactive Plugsky tool — no signup required.

Geo Readiness Checker — Free Online Tool

Check AI deployment readiness by region: latency, data residency and compliance. Free pre-launch checklist for

GGUF Size Calculator

Estimate GGUF quantized model file sizes and RAM needs for any parameter count and quantization level from Q2_

Google Gemini API Cost Calculator 2026 | Compare with Plugsky

Estimate monthly Google Gemini token costs and compare them with Plugsky's published per-token rates. Free, in

Google Vertex AI API Cost Calculator 2026 | Compare with Plugsky

Estimate Google Vertex AI costs at your monthly token volume and compare them with Plugsky's OpenAI-compatible

GPU Cloud Cost Calculator — Free Online Tool

Estimate API costs from monthly token usage to compare with GPU rental. See per-provider totals, then add GPU

GPU Fit Checker — Can I Run This LLM?

Check if an LLM fits on your GPU. Enter model size, quantization, VRAM and context length to estimate weights

Grok API Cost Calculator — compare xAI vs Plugsky pricing

Free interactive Plugsky tool — no signup required.

Grok alternative — AI chat plus 30+ models in one subscription

Free interactive Plugsky tool — no signup required.

Groq API Cost Calculator 2026 | Compare with Plugsky

Estimate Groq API costs at your monthly token volume and compare them with Plugsky's OpenAI-compatible pricing

Helicone API Cost Calculator 2026 | Compare with Plugsky

Estimate Helicone-related API costs at your monthly token volume and compare them with Plugsky, including gate

Hugging Face Inference API Cost Calculator 2026 | Compare with Plugsky

Estimate Hugging Face Inference API monthly costs from token usage and compare them with Plugsky's published p

Image Prompt Generator

Free interactive Plugsky tool — no signup required.

JSON Mode Tester — Free Online Tool

Test JSON mode output across LLM providers. Compare schema adherence, parsing reliability and speed before cho

JSON Schema Validator for LLM Tools — Free Online Tool

Validate JSON schemas for LLM tool calling and catch missing types, malformed properties and required-field mi

Kimi API Cost Calculator 2026 | Compare with Plugsky

Estimate Kimi API monthly token costs and compare them with Plugsky's published rates. Free calculator for lon

KV Cache Calculator

Estimate KV cache memory for any LLM from layers, hidden dimension, context length and batch size. Plan GPU me

LiteLLM API Cost Calculator 2026 | Compare with Plugsky

Estimate LiteLLM-related API costs at your monthly token volume and compare them with Plugsky, including routi

LLM API Cost Calculator

Compare monthly LLM API costs across Plugsky, OpenAI, Anthropic, Google, Groq and DeepSeek from your token vol

LLM Benchmark Explorer — Free Online Tool

Explore LLM benchmark scores across models and compare MMLU, HumanEval and GSM8K results to shortlist candidat

Llm Benchmarks

Free interactive Plugsky tool — no signup required.

LLM Context Window Calculator — Free Online Tool

Estimate token counts for any text and see what percentage of each model's context window it fills, with a fit

LLM Cost Calculator — Compare All Models

Free interactive Plugsky tool — no signup required.

Llm Gpu Capacity Calculator

Free interactive Plugsky tool — no signup required.

LLM Token Calculator

Count characters, words and estimated tokens in any text, then estimate LLM API costs across Plugsky, OpenAI,

LLM VRAM Calculator

Estimate LLM VRAM needs including weights, KV cache and overhead. Enter parameters, quantization, context and

llms.txt Checker — Validate Your AI Visibility File

Check whether your llms.txt file is valid and complete. Paste your URL for a compliance report covering struct

llms.txt Generator & Validator — Free Online Tool

Generate and validate an llms.txt file for AI visibility. Enter your domain, build a standards-shaped file and

How to Add llms.txt to Your Next.js Site | Step-by-Step

Step-by-step guide to adding llms.txt to a Next.js site: get an API key, configure the client, then test and d

llms.txt Validator — check and fix your llms.txt file

Free interactive Plugsky tool — no signup required.

How to Add llms.txt to WordPress | Plugin & Code Methods

Learn two ways to add llms.txt to WordPress: a plugin or a template and redirect method, plus rewrite rules fo

Local Model Recommender

Find local LLMs that fit your GPU. Pick a VRAM tier and use case to see suggested model sizes and quantization

Local RAG Stack Generator — Free Online Tool

Plan a self-hosted RAG stack: embedding model, vector database, LLM and API layer. Free generator for private

Manus Alternative — Compare AI Agents

Free interactive Plugsky tool — no signup required.

MCP Server Config Generator — Free Online Tool

Generate Model Context Protocol server configuration for AI agents connecting to databases, APIs and file syst

Mistral API Cost Calculator 2026 | Compare with Plugsky

Estimate Mistral API monthly token costs and compare them with Plugsky's published rates. Free calculator with

Model Availability Tracker — Free Online Tool

Track AI model availability across providers: active, deprecated and upcoming. Reference page for planning mig

Model Quantization Selector — Free Online Tool

Compare quantization formats Q4, Q8, GPTQ, AWQ and FP8 to match a model to your GPU, balancing file size, memo

Multi-Agent Workflow Generator — Free Online Tool

Generate multi-agent workflow designs: specialized roles, handoffs and review steps for complex AI tasks. Free

Multi Agent Workflow

Free interactive Plugsky tool — no signup required.

NVIDIA NIM API Cost Calculator 2026 | Compare with Plugsky

Estimate NVIDIA NIM API costs at your monthly token volume and compare them with Plugsky's OpenAI-compatible p

Ollama Cloud API Cost Calculator 2026 | Compare with Plugsky

Estimate Ollama Cloud API costs at your monthly token volume and compare them with Plugsky, including free-tie

Ollama Modelfile Generator — Free Online Tool

Generate Ollama Modelfiles for any model: system prompt, temperature and context length. Free generator for re

OpenAI API Alternative Finder — find the best AI for your needs

Free interactive Plugsky tool — no signup required.

OpenAI API Cost Calculator 2026 | Compare with Plugsky

Estimate OpenAI API costs at your monthly token volume and compare GPT-4o, GPT-4 and GPT-3.5 pricing with Plug

OpenAI Compatibility Checker — test your code for migration

Free interactive Plugsky tool — no signup required.

OpenAI-Compatible API Tester

Send a test chat completion to any OpenAI-compatible endpoint and inspect the raw JSON response. Check your ba

Openai Cost Calculator

Free interactive Plugsky tool — no signup required.

OpenAI Error Decoder — Free Online Tool

Decode OpenAI-compatible API errors: causes and fixes for 401, 429, context length and more. Free troubleshoot

Openai Migration Checker

Free interactive Plugsky tool — no signup required.

OpenRouter API Cost Calculator 2026 | Compare with Plugsky

Estimate OpenRouter costs at your monthly token volume and compare its multi-provider pricing with Plugsky's O

Perplexity Alternative — Compare

Free interactive Plugsky tool — no signup required.

Perplexity Sonar API Cost Calculator 2026 | Compare with Plugsky

Estimate Perplexity Sonar and Sonar Pro API costs from monthly token usage and compare them with Plugsky, incl

Portkey API Cost Calculator 2026 | Compare with Plugsky

Estimate Portkey gateway and inference costs from your token volume, with a side-by-side comparison against Pl

Private Llm Cost Estimator

Free interactive Plugsky tool — no signup required.

Private LLM Deployment Estimator — Free Online Tool

Estimate the full cost of deploying a private LLM: hardware, hosting, operations and maintenance. Free estimat

Prompt Diff and Evaluator — Free Online Tool

Compare variants side by side and score which produces better responses for your task, with a rubric approach

Prompt Optimizer — Free Online Tool

Optimize prompts for better LLM output: clarify instructions, add examples, compare variations and tune parame

Prompt Templates

Free interactive Plugsky tool — no signup required.

Quantization Calculator

Compare quantized model sizes across GGUF, GPTQ, AWQ and FP8 formats. Enter parameters to see each format's si

Qwen API Cost Calculator 2026 | Compare with Plugsky

Estimate Qwen API costs from monthly token usage and compare them with Plugsky for Qwen 3.5, Qwen 3 and Qwen-V

RAG Architecture Builder — Free Online Tool

Design a RAG pipeline: embedding model, vector store, chunking and retrieval choices in one free builder for d

RAG Chunk Size Calculator — Free Online Tool

Find the right RAG chunk size by balancing retrieval quality against context-window usage. Free calculator for

RAG Cost Calculator

Estimate RAG cost from monthly input, output and query volumes, and compare generation costs across Plugsky, O

Rag Sandbox

Free interactive Plugsky tool — no signup required.

Rate Limit Calculator — Free Online Tool

Convert API rate limits into real throughput: see whether RPM or TPM binds first, plus request interval and da

Replicate API Cost Calculator 2026 | Compare with Plugsky

Estimate Replicate API costs for open-source, image and video models and compare them with Plugsky's OpenAI-co

Requesty API Cost Calculator 2026 | Compare with Plugsky

Estimate Requesty API costs at your monthly token volume and compare them with Plugsky, including routing over

Reranker Comparison — Free Online Tool

Compare rerankers for search and RAG: ranking quality, latency and cost on your queries, plus how cross-encode

Robots.txt Tester for AI Crawlers — Free Online Tool

Test your robots.txt rules against AI crawlers including GPTBot, ClaudeBot and Google-Extended. Free checker f

SambaNova API Cost Calculator 2026 | Compare with Plugsky

Estimate SambaNova API costs from monthly token usage and compare them with Plugsky for Llama, Mistral and Dee

Schema Markup Generator

Generate JSON-LD schema markup for Article, Product, FAQ, SoftwareApplication or Organization. Free generator

SDK Code Converter — Free Online Tool

Convert OpenAI SDK code between providers by changing the base URL and key. Examples for Python, JavaScript an

Self-Hosting Break-Even Calculator — Free Online Tool

Compare monthly API token costs with self-hosted GPU costs. Enter token volume, GPU hourly rate, GPU count and

Self-hosting Break-even Calculator — API vs on-premise costs

Free interactive Plugsky tool — no signup required.

Self-Host LLM Requirements Calculator

Free interactive Plugsky tool — no signup required.

Sitemap Validator — Free Online Tool

Validate XML sitemaps for errors, broken URLs and optimization issues, then fix them before submitting to sear

Sovereign AI Readiness Assessment — Free Online Tool

Assess sovereign AI readiness across data residency, compliance, infrastructure and governance. Free structure

Sovereign Ai Readiness Score

Free interactive Plugsky tool — no signup required.

Streaming API Tester — Free Online Tool

Test streaming responses from any OpenAI-compatible provider and measure first-chunk latency, inter-chunk timi

System Prompt Generator

Generate system prompts for assistants, coding, support, writing, analysis or tutoring. Free generator with co

Together AI API Cost Calculator 2026 | Compare with Plugsky

Estimate Together AI costs at your monthly token volume and compare its open-model pricing with Plugsky's Open

Tokenizer — Visualize & Count Tokens

Free interactive Plugsky tool — no signup required.

Tokens to Pages Converter — Free Online Tool

Convert between tokens, words, characters and pages, and see how much of an 8K or 200K context window the resu

Tool Registry Builder — Free Online Tool

Build tool registries for AI agents: define function names, descriptions and parameter schemas ready for funct

Vector Database Comparison — Free Online Tool

Compare vector databases including Pinecone, Weaviate, Qdrant, Chroma and Milvus on performance, scalability a

Vercel AI Gateway API Cost Calculator 2026 | Compare with Plugsky

Estimate Vercel AI Gateway API costs from monthly token usage and compare them with Plugsky, including routing

vLLM Launch Command Generator — Free Online Tool

Generate vLLM launch commands for any model: tensor parallelism, quantization, batching and context flags read

VRAM Calculator — how much GPU memory for LLMs?

Free interactive Plugsky tool — no signup required.

xAI Grok API Cost Calculator 2026 | Compare with Plugsky

Estimate xAI Grok API costs at your monthly token volume and compare Grok and Grok mini pricing with Plugsky s

New to Plugsky? Read what Plugsky is or start on the free plan (2 free models, no card).