Stop wasting money on the wrong AI model.

Promptibus picks the cheapest fit, optimizes prompts to model-specific syntax, and projects the bill — for 80+ generative AI models. Free tier: 100 calls/day, no credit card.

Free

✓100 calls/day
✓10 free-tier flagship models
✓Per-call usage analytics
✓All 7 core tools (recommend, optimize, lint, compare, ...)
✓All 3 sister tools (count_tokens, format_prompt, pick_cheapest_model)

Pro

$9/mo

✓500 calls/day (5× free)
✓All 80+ models — every flagship across IMAGE / VIDEO / TEXT / CODE / AUDIO
✓Priority routing
✓Per-tool + per-model breakdowns
✓Cancel any time

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