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.
Use it when OpenCode Zen's free tier is enough for evaluation, demos, or light production traffic.
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 | Free tier | 1.0M | Native | Varies |
| Model | Provider | Context | Access |
|---|---|---|---|
| big-pickle | OpenCode Zen | N/A | Free tier |
| DeepSeek V4 Flash | OpenCode Zen | 1.0M | Free tier |
| MiMo-V2.5 | OpenCode Zen | 1.0M | Free tier |
| North Mini Code | OpenCode Zen | 256K | Free tier |
| Hy3 preview | OpenCode Zen | 256K | Free tier |
Nemotron 3 Ultra 550B A55B is tagged for chat in this catalog and works with OpenAI-compatible client libraries.
Nemotron 3 Ultra 550B A55B is listed with free API access on OpenCode Zen, subject to the provider's quota and account policy.
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.