100% Free • Verified 2026 Formulas
Free AI Cost & Credit Calculators
Calculate exact ElevenLabs audio minutes, AI video generation credits, LLM API tokens, and Lovable vibe coding budgets before you buy.
ElevenLabs Character to Minutes & Cost Calculator
Formula: 1,000 characters ≈ 1 minute of natural voiceover (at 150 words/min)
Tip: A 1,500-word YouTube script is approximately 8,000 to 10,000 characters.
Estimated Finished Audio
15.0 Minutes
Recommended Subscription Plan
Starter Plan ($5 / mo)
Plan Monthly Allowance
30,000 characters / mo (~30 min audio)
📖 Full Guide: ElevenLabs Character Limits Explained
Frequently Asked Questions About AI Software Costs
How accurate are these AI cost and duration calculations?
Our formulas are grounded directly in official documentation and verified empirical testing across all platforms as of November 2026. For example, our ElevenLabs calculator uses the industry standard 1,000 characters per 1 minute of voiceover, while our LLM API calculator uses exact published per-million token pricing across Anthropic, OpenAI, Google DeepMind, and DeepSeek.
Why do video generation tools require extra credits for re-rolls?
Generative AI video models are non-deterministic. Even with the best prompt engineering, approximately 30% to 50% of generated clips require minor re-rolls to correct camera framing, character motion, or lighting artifacts. Our calculator automatically factors in a 1.5x buffer so your production budget never falls short.
Can I combine multiple tools to lower my total monthly spend?
Yes! For instance, developers frequently use Cursor or Windsurf for fast local completions, route bulk background tasks to ultra-low-cost models like DeepSeek V3 or Gemini 2.0 Flash via API, and keep only one premium frontier subscription. This approach often cuts monthly spend by 50% to 70%.