Limits - Gnani AI Documentation

Limits

Current request-rate and concurrent-session limits for your account are available at app.gnani.ai. Numbers will be listed on this page later.

Item	Prisma v3.0	Prisma v2.5
Audio length per request (REST only)	30 s. Read the live value from `GET /stt/v3/languages` → `audio_constraints.max_duration_seconds`	30 s
Shortest accepted audio	0.1 s (shorter audio returns an empty transcript)	n/a
Audio formats (REST)	wav, mp3, ogg, flac, aac, m4a, detected from the file-name extension	Same
Languages in `language_code`	`indic-auto`, or 1–4 distinct, comma-separated	1 (Batch: up to 3)
`keyterms`	Up to 200 words or short phrases (`bias_list`: 100 single words)	`bias_list`: 100 single words
`topic`	Up to 1,600 characters, no minimum (REST). Batch: 30–1,600 characters.	n/a
`previous_text`	No minimum (last 600 characters kept). REST only.	n/a
`speaker_names`	1–4 names	n/a
`substitution_map`	10 rules; patterns up to 200 characters	Same
Streaming session length (Realtime has no per-clip audio limit)	15 minutes	15 minutes
Streaming idle timeout	60 s by default; set `x-idle-timeout-sec` (5–900)	n/a
Concurrent streaming sessions	A per-organisation cap applies. A rejected connection receives an `error` message that names the limit.	Same
Too many requests	Returns `429` with `error_code` `RATE_LIMITED`; wait and retry with backoff (see Error Reference)	Same
Batch (no REST clip limit)	Up to 4 h per file, 100 files per upload job, 10 MB per uploaded file. Up to 5 GiB per file with a presigned upload. See Batch STT limits.	Same

Read the live limits

curl "https://api.vachana.ai/stt/v3/languages" \
  --header "X-API-Key-ID: <API_KEY>"

import requests

r = requests.get(
    "https://api.vachana.ai/stt/v3/languages",
    headers={"X-API-Key-ID": "<API_KEY>"},
    timeout=30,
)
limits = r.json()["audio_constraints"]
print(limits["max_duration_seconds"], limits["supported_formats"])