Nemotron 3 Ultra Free on OpenCode Zen
OpenCode Zen Free app
The catch: Free only inside OpenCode and only for a limited time, and most free models collect your data to improve the model (Big Pickle, Exo, Fledge, MiMo, Ling, NVIDIA, Muse Spark). Only Space Bunny and LongCat are zero-retention.
| Access | Free app |
|---|---|
| Free limits | Priced Free (input, output, cached read) on the Zen pricing table for a limited time. Runs inside OpenCode (model "opencode/nemotron-3-ultra-free"); the per-IP daily cap on free requests is not published. |
| Modality | text, code |
| Credit card | Not required |
| Commercial use | – |
| Trains on your data | Yes, on the free tier |
| Licence or terms | OpenCode Terms of Use (effective 15 Aug 2026) |
| Context window | 1,000,000 tokens |
| Model id | nemotron-3-ultra-free |
| Base URL | – |
| Last checked | 8 Oct 2026 |
How to use Nemotron 3 Ultra Free
Use it in the app or the browser with a free account. There is no free API behind it.
Paste into Claude Code
I want to use "Nemotron 3 Ultra Free" for free in OpenCode Zen. Please: 1. Check the provider's own pages and tell me how to get the free plan and what it includes today. 2. Tell me the real free limits and what needs a paid plan. Listed limits: Per-IP daily cap, number not published. 3. Tell me whether my chats are used for training and how to turn that off. 4. If I need API access for a project, tell me the cheapest way to get it.
Before you ship on it
- Free only inside OpenCode and only for a limited time, and most free models collect your data to improve the model (Big Pickle, Exo, Fledge, MiMo, Ling, NVIDIA, Muse Spark). Only Space Bunny and LongCat are zero-retention.
- Prompts on the free tier may be used to train models. Keep customer data off it.
- OpenCode Terms of Use (effective 15 Aug 2026) assign you the Output and set no commercial-use ban, but the free models are limited-time previews and the NVIDIA ones are 'Trial use only'.
- Free tiers are shared capacity: treat the limits as a ceiling, not a promise, and keep a paid fallback.
Questions
Is Nemotron 3 Ultra Free on OpenCode Zen free?
Yes. OpenCode Zen offers it as free app, with these limits: Per-IP daily cap, number not published. No credit card is needed.
Can I use Nemotron 3 Ultra Free on OpenCode Zen commercially?
The provider’s terms do not say. Ask them before you build a product on it.
How do I start with Nemotron 3 Ultra Free on OpenCode Zen?
Use it in the app or the browser with a free account. There is no free API behind it.
Source: opencode.ai/docs/zen, checked 8 Oct 2026.