token.app › Compare › Nemotron 3 Ultra vs Grok 4.6

Nemotron 3 Ultra vs Grok 4.6

Nemotron 3 Ultra is 2.9× cheaper per token on a blended 3:1 basis. Grok 4.6 accepts the larger context window (500K).

Head to head
Blended price uses a 3:1 input:output mix
Nemotron 3 UltraGrok 4.6
ProviderNVIDIASpaceXAI
Input $/1M$0.600$2.00
Output $/1M$2.40$6.00
Blended $/1M$1.05$3.00
Context window262K500K
Max output183K450K
ReleasedJun 2026Aug 2026
LicenceOpen weightsProprietary
Choose Nemotron 3 Ultra if…
  • Costs less per token — $1.05 vs $3.00 blended
  • Open weights — self-hostable
Choose Grok 4.6 if…
  • Larger context window (500K)
  • Newer model (released Aug 2026)
FAQ
Which is better, Nemotron 3 Ultra or Grok 4.6?
We do not hold independently-run benchmark scores covering both Nemotron 3 Ultra and Grok 4.6, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Nemotron 3 Ultra cheaper than Grok 4.6?
Nemotron 3 Ultra is cheaper: $1.05 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $0.600 vs $2.00. Output alone: $2.40 vs $6.00.
What context windows do Nemotron 3 Ultra and Grok 4.6 have?
Nemotron 3 Ultra: 262,144 tokens. Grok 4.6: 500,000 tokens.
Who makes Nemotron 3 Ultra and Grok 4.6?
Nemotron 3 Ultra is made by NVIDIA. Grok 4.6 is made by SpaceXAI.
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