Vana 3.0 by annamal.ai

Decisions, typed.
One API call.

Send a state (text or JSON) and typed questions. Get back typed, calibrated answers with probabilities and confidence, all from one forward pass. Vana doesn't generate text, so you have nothing to parse.

English · about 200 ms server-side · prepaid, no subscription

curl https://api.vana.annamal.ai/v1/systemone \
  -H "Authorization: Bearer $VANA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"vana-latest",
  "state":"Customer: I was charged twice for my October invoice, please fix this today.",
  "questions":{
    "refund": {"type":"noul","instructions":"Should we issue a refund?"},
    "team":   {"type":"choice","instructions":"Which team should handle this?",
               "criteria":{"billing":"Billing / payments","tech":"Technical issue","sales":"Sales"}},
    "urgency":{"type":"score","instructions":"How urgent is this?",
               "criteria":["not urgent","normal","urgent","critical"]}}}'
{
  "model": "vana-3.0",
  "answers": {
    "refund":  {"type": "noul", "noul": 0.93, "confidence": 0.86},
    "team":    {"type": "choice", "choice": "billing",
                "probabilities": {"billing": 0.91, "tech": 0.06, "sales": 0.03}},
    "urgency": {"type": "score", "score": 2.6, "confidence": 0.52}
  },
  "usage": {"input_tokens": 112, "output_tokens": 3}
}

How it works

Three steps. You get the answer as data, not as text.

Send state

Any text or JSON: a ticket, an email, a transaction, a record.

Ask typed questions

Up to 64 questions in one request, keyed by your own ids.

Get typed answers

The choice, probability or score, with calibrated probabilities and confidence, from one forward pass.

Question types

"type": "choice"

Choice

Pick one of 2–255 options. Returns the chosen option plus probabilities over all options.

"type": "noul"

Yes / no

Returns P(true) as noul. You pick the threshold.

"type": "score"

Score

An ordinal scale of 2–10 levels, lowest first. Returns the expected level and the distribution.

Question types reference →

Use cases

Examples of what you can build. These are illustrations, not customer claims.

choice

Support ticket routing

Send each ticket to billing, tech or sales.

noul

Churn-risk detection

Probability that a customer message signals intent to cancel.

score

Urgency scoring

Rate incoming requests from “not urgent” to “critical”.

noul / choice

Content moderation

Flag policy violations and pick the category.

choice

Intent classification

Map a user utterance to one of your intents.

score

Lead qualification

Score inbound leads against your own criteria.

Fast and cheap

~200 ms

server-side latency per call, however many questions you ask

$0.035

per 1M input tokens. Output isn't billed.

$5

minimum top-up. Prepaid, no subscription.

Pricing is subject to change. See pricing and the cost calculator →

Try it

The live demo is not enabled yet. Get an API key and run the curl sample above. It takes one request.

Read the quickstart

Make your first decision call

Create a key, top up $5 and send one request.