token.app › Compare › Nemotron 3 Ultra (free) vs GPT-5.6 Luna

Nemotron 3 Ultra (free) vs GPT-5.6 Luna

Nemotron 3 Ultra (free) is free to use, against $0.225 per million tokens. 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 (free)GPT-5.6 Luna
ProviderNVIDIAOpenAI
Input $/1MFree$0.100
Output $/1MFree$0.600
Blended $/1MFree$0.225
Context window1M1.1M
Max output66K128K
ReleasedJun 2026Jul 2026
LicenceOpen weightsProprietary
Choose Nemotron 3 Ultra (free) if…
  • Costs less per token — Free vs $0.225 blended
  • Open weights — self-hostable
Choose GPT-5.6 Luna if…
  • Larger context window (1.1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, Nemotron 3 Ultra (free) or GPT-5.6 Luna?
We do not hold independently-run benchmark scores covering both Nemotron 3 Ultra (free) and GPT-5.6 Luna, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Nemotron 3 Ultra (free) cheaper than GPT-5.6 Luna?
Nemotron 3 Ultra (free) is cheaper: Free versus $0.225 per million tokens blended at 3:1 input:output. Input alone: Free vs $0.100. Output alone: Free vs $0.600.
What context windows do Nemotron 3 Ultra (free) and GPT-5.6 Luna have?
Nemotron 3 Ultra (free): 1,000,000 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes Nemotron 3 Ultra (free) and GPT-5.6 Luna?
Nemotron 3 Ultra (free) is made by NVIDIA. GPT-5.6 Luna is made by OpenAI.
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