token.app › Compare › Nemotron 3 Ultra (free) vs Xing4.0 29B A4B (free)

Nemotron 3 Ultra (free) vs Xing4.0 29B A4B (free)

Nemotron 3 Ultra (free) accepts the larger context window (1M).

Head to head
Blended price uses a 3:1 input:output mix
Nemotron 3 Ultra (free)Xing4.0 29B A4B (free)
ProviderNVIDIAXingchen agi
Input $/1MFreeFree
Output $/1MFreeFree
Blended $/1MFreeFree
Context window1M262K
Max output66K236K
ReleasedJun 2026Oct 2026
LicenceOpen weightsOpen weights
Choose Nemotron 3 Ultra (free) if…
  • Larger context window (1M)
Choose Xing4.0 29B A4B (free) if…
  • Newer model (released Oct 2026)
FAQ
Which is better, Nemotron 3 Ultra (free) or Xing4.0 29B A4B (free)?
We do not hold independently-run benchmark scores covering both Nemotron 3 Ultra (free) and Xing4.0 29B A4B (free), so we make no quality claim. Their pricing and specifications are compared on this page.
Is Nemotron 3 Ultra (free) cheaper than Xing4.0 29B A4B (free)?
They cost the same on a blended 3:1 basis: Free per million tokens.
What context windows do Nemotron 3 Ultra (free) and Xing4.0 29B A4B (free) have?
Nemotron 3 Ultra (free): 1,000,000 tokens. Xing4.0 29B A4B (free): 262,144 tokens.
Who makes Nemotron 3 Ultra (free) and Xing4.0 29B A4B (free)?
Nemotron 3 Ultra (free) is made by NVIDIA. Xing4.0 29B A4B (free) is made by Xingchen agi.
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