Free AI Developer Tools
Static, fast, and free utilities for working with AI models. No signup required.
Live Tools
LLM Tokenizer
Count tokens for GPT-4, GPT-4o, Claude, Gemini, Llama, and DeepSeek. Visualize token IDs and compare models.
Embedding Cost Calculator
Estimate embedding API costs and full RAG stack costs across OpenAI, Cohere, Google, Voyage, Jina, Mistral, and Anthropic.
Context Window Comparison
Compare context windows across 300+ LLMs. Filter by provider, modality, and minimum context size.
AI Coding Tools Comparison
Side-by-side comparison of Cursor, Claude Code, Copilot, Windsurf, Aider, and other AI coding assistants.
Prompt Optimizer
Analyze and improve your prompts with clarity scores and rule-based suggestions.
Model Speed Benchmark
Compare first-token latency and throughput across 15+ model providers.
Model Benchmark Visualizer
Compare MMLU, HumanEval, GPQA, and MATH scores across major LLMs with exportable charts.
API Cost Calculator
Estimate monthly LLM API spend and compare costs across 300+ models from 50+ providers.
Model Recommendation Engine
Answer six questions and get personalized LLM recommendations from 300+ models.
Token-to-Cost Converter
Quickly convert token counts to USD for any model in the pricing database.
VS Code Extension
Browse and install 90+ MCP servers directly from VS Code.
Built for developers, optimized for search
Every tool is statically generated and runs without a backend, so you get instant results with zero friction. We design each tool to be useful on its own and to connect naturally with the rest of VePrompts — from the MCP directory to the prompt library to the pricing pages.