token.app › Compare › Moondream 3 Preview vs Mercury 3

Moondream 3 Preview vs Mercury 3

Mercury 3 is 5.2× cheaper per token on a blended 3:1 basis. Mercury 3 accepts the larger context window (1M).

Head to head
Blended price uses a 3:1 input:output mix
Moondream 3 PreviewMercury 3
ProviderMoondreamInception
Input $/1M$0.300$0.100
Output $/1M$2.50$0.350
Blended $/1M$0.850$0.163
Context window32K1M
Max output4K131K
ReleasedOct 2026Oct 2026
LicenceOpen weightsProprietary
Choose Moondream 3 Preview if…
  • Open weights — self-hostable
Choose Mercury 3 if…
  • Costs less per token — $0.163 vs $0.850 blended
  • Larger context window (1M)
  • Newer model (released Oct 2026)
FAQ
Which is better, Moondream 3 Preview or Mercury 3?
We do not hold independently-run benchmark scores covering both Moondream 3 Preview and Mercury 3, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Moondream 3 Preview cheaper than Mercury 3?
Mercury 3 is cheaper: $0.163 versus $0.850 per million tokens blended at 3:1 input:output. Input alone: $0.300 vs $0.100. Output alone: $2.50 vs $0.350.
What context windows do Moondream 3 Preview and Mercury 3 have?
Moondream 3 Preview: 32,000 tokens. Mercury 3: 1,000,000 tokens.
Who makes Moondream 3 Preview and Mercury 3?
Moondream 3 Preview is made by Moondream. Mercury 3 is made by Inception.
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