token.app › Compare › Nemotron 3 Ultra vs GPT-5.6 Luna
Nemotron 3 Ultra vs GPT-5.6 Luna
GPT-5.6 Luna is 6.0× cheaper per token on a blended 3:1 basis. GPT-5.6 Luna accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| Nemotron 3 Ultra | GPT-5.6 Luna | |
|---|---|---|
| Provider | NVIDIA | OpenAI |
| Input $/1M | $0.600 | $0.100 |
| Output $/1M | $3.60 | $0.600 |
| Blended $/1M | $1.35 | $0.225 |
| Context window | 512K | 1.1M |
| Max output | — | 128K |
| Released | Jun 2026 | Jul 2026 |
| Licence | Open weights | Proprietary |
Choose Nemotron 3 Ultra if…
- Open weights — self-hostable
Choose GPT-5.6 Luna if…
- Costs less per token — $0.225 vs $1.35 blended
- Larger context window (1.1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Nemotron 3 Ultra or GPT-5.6 Luna?
We do not hold independently-run benchmark scores covering both Nemotron 3 Ultra and GPT-5.6 Luna, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Nemotron 3 Ultra cheaper than GPT-5.6 Luna?
GPT-5.6 Luna is cheaper: $0.225 versus $1.35 per million tokens blended at 3:1 input:output. Input alone: $0.600 vs $0.100. Output alone: $3.60 vs $0.600.
What context windows do Nemotron 3 Ultra and GPT-5.6 Luna have?
Nemotron 3 Ultra: 512,288 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes Nemotron 3 Ultra and GPT-5.6 Luna?
Nemotron 3 Ultra is made by NVIDIA. GPT-5.6 Luna is made by OpenAI.
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