token.app › Compare › Nemotron 3 Ultra vs Xing4.0 29B A4B (free)
Nemotron 3 Ultra vs Xing4.0 29B A4B (free)
Xing4.0 29B A4B (free) is free to use, against $1.05 per million tokens.
Head to head
Blended price uses a 3:1 input:output mix
| Nemotron 3 Ultra | Xing4.0 29B A4B (free) | |
|---|---|---|
| Provider | NVIDIA | Xingchen agi |
| Input $/1M | $0.600 | Free |
| Output $/1M | $2.40 | Free |
| Blended $/1M | $1.05 | Free |
| Context window | 262K | 262K |
| Max output | 183K | 236K |
| Released | Jun 2026 | Oct 2026 |
| Licence | Open weights | Open weights |
Choose Nemotron 3 Ultra if…
- No clear advantage on the data we hold.
Choose Xing4.0 29B A4B (free) if…
- Costs less per token — Free vs $1.05 blended
- Newer model (released Oct 2026)
FAQ
Which is better, Nemotron 3 Ultra or Xing4.0 29B A4B (free)?
We do not hold independently-run benchmark scores covering both Nemotron 3 Ultra 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 cheaper than Xing4.0 29B A4B (free)?
Xing4.0 29B A4B (free) is cheaper: Free versus $1.05 per million tokens blended at 3:1 input:output. Input alone: $0.600 vs Free. Output alone: $2.40 vs Free.
What context windows do Nemotron 3 Ultra and Xing4.0 29B A4B (free) have?
Nemotron 3 Ultra: 262,144 tokens. Xing4.0 29B A4B (free): 262,144 tokens.
Who makes Nemotron 3 Ultra and Xing4.0 29B A4B (free)?
Nemotron 3 Ultra is made by NVIDIA. Xing4.0 29B A4B (free) is made by Xingchen agi.
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