AI Coaching Setup

Choose your AI provider

Velocity AI uses your own API key — your data goes directly from your device to the provider. We never see your key or your prompts. Pick the provider that works best for you.

OpenAI
The most widely used AI API. Powers ChatGPT. Fast and reliable — requires a paid account with billing set up.
Model usedgpt-4o
Best forHighest quality coaching and nuanced plan generation
Key starts withsk-
Requires billing · pay-as-you-go, no free tier
OpenAI setup guide →
Google Gemini
Google's AI with a usable free tier — just a Google account to start. Free tier has rate limits; upgrade for heavier use.
Model usedgemini-2.5-flash
Best forGetting started for free with no credit card needed
Key starts withAIza
Free tier available · rate-limited · no credit card
Gemini setup guide →
OpenRouter
Access the OpenRouter API with one key. Credits are required for most models; a small balance covers months of use.
Model usedqwen/qwen3.5-9b
Best forUsers who want an alternative to OpenAI/Gemini
Key starts withsk-or-
Paid · credits required before use
OpenRouter setup guide →

Where to enter your key in Velocity AI

Once you have an API key from any provider, add it here:

1
Open the app and tap the Profile tab (bottom-right corner).
2
Scroll down and tap AI Provider to open the configuration screen.
3
Select your provider (OpenAI, Gemini, or OpenRouter) from the picker.
4
Paste your API key, then tap Save. The app uses a fixed model per provider.
5
AI coaching, training plans, and race predictions activate immediately.