Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy
https://opencode.ai/zen/v1 nemotron-3-ultra-free | Benchmark | Score | Metric | Date |
|---|---|---|---|
| SWE-Bench Verified | 70.7 | resolved | 2026-06-04 |
| SWE-Bench Multilingual | 67.7 | resolve rate | 2026-06-04 |
| Terminal-Bench | 56.4 | success rate | 2026-06-04 |
| GPQA | 87 | accuracy | 2026-06-04 |
Nemotron 3 Ultra 550B A55B is listed for chat workloads and supports a 1.0M context window.
Check OpenCode Zen's current endpoint status before integrating this listing. Use the alternatives table if the provider listing is unavailable.
We only found this Nemotron 3 Ultra 550B A55B listing on OpenCode Zen in the current catalog. Use the related models section for nearby alternatives.
| Provider | Model listing | Access | Context | API | Limits |
|---|---|---|---|---|---|
| | Nemotron 3 Ultra 550B A55B | Check provider | 1.0M | Native | Varies |
| Model | Provider | Context | Access |
|---|---|---|---|
| big-pickle | OpenCode Zen | N/A | Free tier |
| DeepSeek V4 Flash | OpenCode Zen | 1.0M | Check provider |
| MiMo-V2.5 | OpenCode Zen | 1.0M | Check provider |
| North Mini Code | OpenCode Zen | 256K | Check provider |
| Hy3 preview | OpenCode Zen | 256K | Check provider |
Nemotron 3 Ultra 550B A55B is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
Nemotron 3 Ultra 550B A55B appears in the free model catalog for OpenCode Zen, but its current endpoint availability should be confirmed with the provider before use.
The model ID shown in this catalog is nemotron-3-ultra-free.
The listed context window is 1.0M tokens with up to 128K output tokens.
Free Nemotron 3 Ultra 550B A55B API.
For API keys, setup steps, and provider-level limits, see the OpenCode Zen provider page.