Ask once. Get one best answer.
Stop paying stack tax — tab-switching between ChatGPT and Claude. Choose managed credits or bring your own API keys. Synthesis is built in.
Plans
LettiB Pro ($15/mo) vs. ChatGPT Plus ($20/mo): same price class, but LettiB gives you GPT, Claude, Gemini, DeepSeek, Perplexity, and Grok — plus synthesis built in.
Free
300 credits/month — about 30 chat messages or 6 compare runs
- Managed credits included — no API keys required
- BYOK optional — unlimited providers
- Compare up to 2 models at once
- 5 projects
- Synthesis (10 / month)
- 7-day history
Pro Monthly
15,000 credits/month — about 1,500 chat messages or 75 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 3,500 chat messages or 175 compare runs
- Everything in Pro
- Compare up to 6 models at once
- Custom AI Teams
- Shareable synthesis links
- Priority synthesis queue
- Priority support
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. Ask once. Get one best answer.
$10
$25
$49
Use included monthly credits or your own provider API keys (OpenAI, Anthropic, Google, xAI, 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