https://v0-llm-token-calculator-pi.vercel.app/docs
API Documentation - Free LLM Token Cost API | TokenBudget
Free REST API to calculate LLM token costs programmatically. Calculate costs for GPT-4, Claude, Gemini and 50+ models. No API key required, rate limited to 100...
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https://aiqualityhq.com/
AIQualityHQ — Free AI Prompt Quality Checker & LLM Tool Suite
Free AI prompt quality checker and LLM tool suite. Generate system prompts, optimize prompt length, scan for prompt injection attacks, and audit AI test...
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