Model comparison
GPT-6 Luna and Nemotron 3 Ultra compared on price, context window, capabilities and published benchmarks. Data comes from the OpenModels registry.
| Specification | GPT-6 Luna | Nemotron 3 Ultra |
|---|---|---|
| Developer | Openai | Nvidia |
| Released | Sep 22, 2026 | Jun 4, 2026 |
| Context window | 1.05M tokens | 1.05M tokens |
| Input price / 1M | $0.10via OpenAI | $0.40via Deep Infra |
| Output price / 1M | $0.50via OpenAI | $1.60via Deep Infra |
| Providers | 1 | 4 |
| License | proprietary | other |
| Input modalities | code, image, text | code, text |
| Capabilities | chat, completion, function-calling, vision, code-generation, reasoning | chat, completion, function-calling, code-generation, reasoning |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
No published benchmark scores recorded for these models yet.