token.app › Compare › Nemotron 3.5 Lightning (free) vs Grok 4.6

Nemotron 3.5 Lightning (free) vs Grok 4.6

Nemotron 3.5 Lightning (free) is free to use, against $3.00 per million tokens. Nemotron 3.5 Lightning (free) accepts the larger context window (1M).

Head to head
Blended price uses a 3:1 input:output mix
Nemotron 3.5 Lightning (free)Grok 4.6
ProviderNVIDIASpaceXAI
Input $/1MFree$2.00
Output $/1MFree$6.00
Blended $/1MFree$3.00
Context window1M500K
Max output66K450K
ReleasedAug 2026Aug 2026
LicenceOpen weightsProprietary
Choose Nemotron 3.5 Lightning (free) if…
  • Costs less per token — Free vs $3.00 blended
  • Larger context window (1M)
  • Open weights — self-hostable
Choose Grok 4.6 if…
  • Newer model (released Aug 2026)
FAQ
Which is better, Nemotron 3.5 Lightning (free) or Grok 4.6?
We do not hold independently-run benchmark scores covering both Nemotron 3.5 Lightning (free) and Grok 4.6, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Nemotron 3.5 Lightning (free) cheaper than Grok 4.6?
Nemotron 3.5 Lightning (free) is cheaper: Free versus $3.00 per million tokens blended at 3:1 input:output. Input alone: Free vs $2.00. Output alone: Free vs $6.00.
What context windows do Nemotron 3.5 Lightning (free) and Grok 4.6 have?
Nemotron 3.5 Lightning (free): 1,000,000 tokens. Grok 4.6: 500,000 tokens.
Who makes Nemotron 3.5 Lightning (free) and Grok 4.6?
Nemotron 3.5 Lightning (free) is made by NVIDIA. Grok 4.6 is made by SpaceXAI.
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