AI Tools

AI developer tools: token counter, model comparison, prompt builder, function call generator, and more.

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LLM Token Counter
Estimate token counts and API costs for GPT-4o, Claude, Gemini, and more
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AI Model Comparison
Compare AI models side-by-side β€” pricing, context windows, capabilities, and cost calculator
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Prompt Template Builder
Build structured prompts with variables, roles, and export to OpenAI/Anthropic API format
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Function Call Generator
Generate OpenAI/Anthropic/Gemini function calling schemas from JSON
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System Prompt Analyzer
Analyze AI system prompts for cost, structure, injection risks, and best practices
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Structured Output Validator
Validate AI model JSON output against a JSON Schema with detailed error paths

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