Fusion by Novita

Create a Novita key and call the OpenAI-compatible endpoint. Novita lists this model at $0 per million input and output tokens.

Access
Free API tier
Free limits
$0 per token · rate limits not published
Modality
multimodal
Credit card
Not required
Commercial use
Unclear, verify
Context window
1,000,000 tokens
Model ID
nvrouter/fusion
Base URL
https://api.novita.ai/v3/openai
Checked
Nov 11, 2026

Quickstart

curl https://api.novita.ai/v3/openai/chat/completions \
  -H "Authorization: Bearer $KEY" \
  -d '{"model":"nvrouter/fusion","messages":[{"role":"user","content":"hi"}]}'

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Frequently asked

Is Fusion free?

Yes. Novita offers it as Free API tier with these limits: $0 per token · rate limits not published. No credit card is required.

Can I use Fusion commercially?

Commercial terms are not clearly documented. Check the provider's current terms before shipping.

How do I start using Fusion?

Get a free API key from the provider dashboard. Set the base URL to https://api.novita.ai/v3/openai and the model to nvrouter/fusion. Create a Novita key and call the OpenAI-compatible endpoint. Novita lists this model at $0 per million input and output tokens.

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