token.app › Compare › Nano Banana Pro (Gemini 3 Pro Image Preview) vs Xing4.0 29B A4B (free)

Nano Banana Pro (Gemini 3 Pro Image Preview) vs Xing4.0 29B A4B (free)

Xing4.0 29B A4B (free) is free to use, against $4.50 per million tokens. Xing4.0 29B A4B (free) accepts the larger context window (262K).

Head to head
Blended price uses a 3:1 input:output mix
Nano Banana Pro (Gemini 3 Pro Image Preview)Xing4.0 29B A4B (free)
ProviderGoogleXingchen agi
Input $/1M$2.00Free
Output $/1M$12.00Free
Blended $/1M$4.50Free
Context window66K262K
Max output33K236K
ReleasedNov 2025Oct 2026
LicenceProprietaryOpen weights
Choose Nano Banana Pro (Gemini 3 Pro Image Preview) if…
  • No clear advantage on the data we hold.
Choose Xing4.0 29B A4B (free) if…
  • Costs less per token — Free vs $4.50 blended
  • Larger context window (262K)
  • Open weights — self-hostable
  • Newer model (released Oct 2026)
FAQ
Which is better, Nano Banana Pro (Gemini 3 Pro Image Preview) or Xing4.0 29B A4B (free)?
We do not hold independently-run benchmark scores covering both Nano Banana Pro (Gemini 3 Pro Image Preview) and Xing4.0 29B A4B (free), so we make no quality claim. Their pricing and specifications are compared on this page.
Is Nano Banana Pro (Gemini 3 Pro Image Preview) cheaper than Xing4.0 29B A4B (free)?
Xing4.0 29B A4B (free) is cheaper: Free versus $4.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs Free. Output alone: $12.00 vs Free.
What context windows do Nano Banana Pro (Gemini 3 Pro Image Preview) and Xing4.0 29B A4B (free) have?
Nano Banana Pro (Gemini 3 Pro Image Preview): 65,536 tokens. Xing4.0 29B A4B (free): 262,144 tokens.
Who makes Nano Banana Pro (Gemini 3 Pro Image Preview) and Xing4.0 29B A4B (free)?
Nano Banana Pro (Gemini 3 Pro Image Preview) is made by Google. Xing4.0 29B A4B (free) is made by Xingchen agi.
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