TL;DR — Switch in Under 5 Minutes
- Both APIs are OpenAI-compatible
- Whisper available on Railwail
- Plus 200+ other models including Claude, GPT-4o, Gemini
OpenAI's Whisper running on Replicate. General-purpose speech recognition trained on 680k hours of multilingual audio. Transcribes and translates 99 languages, robust to accents and background noise, and outputs plain text, segments, or word-level timestamps.
Models in this article
Why Move Off Groq Cloud?
Groq's LPU hardware delivers exceptional throughput on open-source LLMs. The constraint is catalog size — Groq Cloud only hosts a small selection of open models and has no closed-source frontier models.
Step 1 — Get a Railwail API Key
Sign up at railwail.com and generate a key.
API Endpoint Mapping
Model Mapping
Why Railwail Over Groq Cloud
- Same OpenAI-compatible API
- Adds Claude, GPT-4o, Gemini, Flux — Groq has no closed-source models
- Built-in playground for cross-model A/B testing
FAQ
Are tool calls supported?
Yes. Tool/function calling works through the standard OpenAI tools schema.
What about the JSON mode?
response_format: { type: 'json_object' } and response_format with json_schema are both supported.
Next Steps
- Sign up at railwail.com
- Generate an API key
- Update baseURL and model slug
- Read the reference at railwail.com/docs
- Browse models at railwail.com/models
- Compare pricing at railwail.com/pricing
Models in this article
Live prices from Railwail's current rules, October 7, 2026.
≈ billed by actual tokens or GPU time
Next step
Try Whisper on Railwail
Sign in with Google for 10 free credits (usable 24 hours after sign-up, runs up to 2 credits), or top up from $5.00. Unused balance does not expire.
