Ann NgAnn Ng
3 min read

Use reka-flash-3 via OpenRouter API on TypingMind

Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-following, and function calling. Featuring a...

Reka Flash 3 Overview

Full NameReka Flash 3
ProviderReka Flash 3
Model IDrekaai/reka-flash-3
Release DateMar 12, 2025
Context Window65,536 tokens
Pricing /1M tokens$0 for input
$0 for output
Supported Input Typestext
Supported Parametersfrequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningseedstoptemperaturetop_ktop_p

Complete Setup Guide

1

Create OpenRouter Account

  1. Visit openrouter.ai
  2. Click "Sign In" and create an account (free)
  3. Verify your email address
  4. You'll receive $1 in free credits to test models
2

Get Your OpenRouter API Key

  1. Log in to OpenRouter dashboard
  2. Go to "API Keys" section in the menu
  3. Click "Create API Key"
  4. Give it a name (e.g., "TypingMind")
  5. Copy your API key (starts with "sk-or-v1-...")
OpenRouter API Keys
3

Add Credits to OpenRouter (Optional)

  1. Go to "Credits" in OpenRouter dashboard
  2. Click "Add Credits"
  3. Choose amount ($5 minimum, $20 recommended for testing)
  4. Complete payment (credit card or crypto)
  5. Credits never expire!
4

Configure TypingMind with OpenRouter API Key

Method 1: Direct Import (Recommended)

  1. Open TypingMind in your browser
  2. Click the "Settings" icon (gear symbol)
  3. Navigate to "Manage Models" section
  4. Click "Add Custom Model"
  5. Select "Import OpenRouter" from the options
  6. Enter your OpenRouter API key from Step 1
  7. Click "Check API Key" to verify the connection
  8. Choose which models you want to add from the list (you can add multiple at once)
  9. Click "Import Models" to complete the setup
The best frontend AI chat for OpenRouter API Key

Method 2: Manual Custom Model Setup

  1. Open TypingMind in your browser
  2. Click the "Settings" icon (gear symbol)
  3. Navigate to "Models" section
  4. Click "Add Custom Model"
  5. Fill in the model information:
    Name: rekaai/reka-flash-3 via OpenRouter (or your preferred name)
    Endpoint: https://openrouter.ai/api/v1/chat/completions
    Model ID: rekaai/reka-flash-3
    Context Length: Enter the model's context window (e.g., 65536 for rekaai/reka-flash-3)
    OpenRouter Endpoint URL input fieldrekaai/reka-flash-3https://openrouter.ai/api/v1/chat/completionsrekaai/reka-flash-3 via OpenRouterhttps://www.typingmind.com/model-logo.webp65536
  6. Add custom headers by clicking "Add Custom Headers" in the Advanced Settings section:
    Authorization: Bearer <OPENROUTER_API_KEY>:
    X-Title: typingmind.com
    HTTP-Referer: https://www.typingmind.com
  7. Enable "Support Plugins (via OpenAI Functions)" if the model supports the "functions" or "tool_calls" parameter, or enable "Support OpenAI Vision" if the model supports vision.
  8. Click "Test" to verify the configuration
  9. If you see "Nice, the endpoint is working!", click "Add Model"
5

Start chatting with rekaai/reka-flash-3

Now you can start chatting with the rekaai/reka-flash-3 model via OpenRouter on TypingMind:

  • Select your preferred rekaai/reka-flash-3 model from the model dropdown menu
  • Start typing your message in the chat input
  • Enjoy faster responses and better features than the official interface
  • Switch between different AI models as needed
The best frontend AI chat for rekaai/reka-flash-3 via OpenRouter API KeyThe best frontend AI chat for rekaai/reka-flash-3 via OpenRouter API Keyrekaai/reka-flash-3The best frontend AI chat for rekaai/reka-flash-3 via OpenRouter API Key

Pro tips for better results:

Why TypingMind + OpenRouter?

  • Best-in-class UI: TypingMind's interface is far superior to standard chat UIs
  • Model flexibility: Switch between Reka Flash 3 and 200+ models instantly
  • Cost control: Pay only for what you use through OpenRouter
  • One-time purchase: Buy TypingMind once, use forever with any OpenRouter model
  • Data privacy: Your conversations stored locally, not on external servers

Try TypingMind for free now!

Frequently Asked Questions

Do I need a subscription to use Reka Flash 3?

No! Through OpenRouter, you pay only for what you use with no monthly subscription. Add credits to your OpenRouter account and they never expire. TypingMind is also a one-time purchase, not a subscription.

How much will it cost to use Reka Flash 3?

It costs 0.00009999999999999999 for input and 0.00019999999999999998 for output via OpenRouter. A typical conversation might cost $0.01-0.10 depending on length. Start with $5-10 in credits to test.

Can I use other models besides Reka Flash 3?

Yes! With OpenRouter + TypingMind, you get access to 200+ models including GPT-4, Claude, Gemini, Llama, Mistral, and many more. Switch between them instantly in TypingMind.

Is my data private and secure?

Yes! TypingMind stores conversations locally (web version in browser, desktop version on your device). OpenRouter handles API calls securely and doesn't train on your data. Check each provider's data policy for specifics.

Can I use Reka Flash 3 for commercial projects?

Yes! Check Reka Flash 3's terms of service for specific commercial use policies. OpenRouter and TypingMind both support commercial use.

What if Reka Flash 3 is unavailable?

OpenRouter allows you to configure fallback models. If Reka Flash 3 is down, it can automatically route to your backup choice. You can also manually switch models in TypingMind anytime.

How do I cancel or get a refund?

OpenRouter: No subscriptions to cancel. Unused credits remain in your account forever.