Credits-based usage. Bring your own keys or let a21e manage the providers. $5 to get started.
2,500 credits (BYOK) / 500 credits (Managed)
50,000 credits (BYOK) / $349 Managed
Volume pricing from $30k ACV
1 credit = 1 economy-tier execution
Credits are charged based on actual token usage. Model tier multipliers approximate the cost difference between economy and premium models. You pay for what you use — no overage, no surprise bills.
| Tier | Multiplier | Models |
|---|---|---|
| Economy | 1x | gpt-4o-mini, gemini-2.0-flash, deepseek-chat, mistral-small |
| Standard | 6x | gpt-4o, claude-sonnet-4, gemini-2.0-pro, grok-3 |
| Premium | 25x | claude-opus, o1, o3, deepseek-reasoner |
Estimate your savings
Complexity
2 credits · ~5 min
Model tier
1x multiplier
Time lost weekly
4.2h
208h per year
Annual cost
$15,600
at $75/hr
With a21e
$19/mo
~440 credits/mo · Starter
$15,600/yr in prompt engineering time. View pricing →
Use your existing API keys for any of the 12 supported providers. a21e charges for platform intelligence — prompt synthesis, quality gates, memory, routing — while you pay your provider directly for LLM calls. BYOK plans start at $5 for 2,500 credits.