Ask once. Get one best answer.
Stop paying stack tax. No more tab-switching between OpenAI, Claude, and Gemini models. Choose managed credits or bring your own API keys. Synthesis is built in.
Plans
LettiB Pro ($15/mo) gives you OpenAI, Claude, and Gemini models, plus synthesis built in.
Free
300 credits/month, about 25 chat messages or 2 compare runs
- Managed credits included, no API keys required
- Optional: add your own API keys
- Compare up to 2 models at once
- 5 projects
- Synthesis (10 / month)
- 7-day history
Pro Monthly
15,000 credits/month, about 1,250 chat messages or 125 compare runs
- Everything in Free
- Compare up to 4 models at once
- Unlimited projects
- Unlimited Synthesis
- Project Memory
- Unlimited history & search
Power Monthly
35,000 credits/month, about 2,916 chat messages or 263 compare runs
- Everything in Pro
- Compare up to 6 models at once
- Custom AI Teams
- Shareable synthesis links
- Priority synthesis queue
Lifetime BYOK
- Everything in Power
- Single payment — no renewals
- BYOK — unlimited providers
- Best for long-term solo power users
Credit packs
Top up managed credits on Free or paid — $10, $25, or $49.
$10
$25
$49
Use included monthly credits or your own provider API keys (OpenAI, Anthropic, Google, xAI (Grok), DeepSeek, Perplexity). Provider usage is billed by them when you bring your own keys. Credit packs work on Free or paid.
Pricing FAQ
Not sure yet?
The Free plan includes monthly credits and never expires. Try models side by side, generate syntheses, and upgrade only when you outgrow it.
Start Free — No Credit Card