token.app › Compare › Gemini 3 Flash Preview vs Mercury 3

Gemini 3 Flash Preview vs Mercury 3

Mercury 3 is 6.9× cheaper per token on a blended 3:1 basis. Gemini 3 Flash Preview accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Gemini 3 Flash PreviewMercury 3
ProviderGoogleInception
Input $/1M$0.500$0.100
Output $/1M$3.00$0.350
Blended $/1M$1.13$0.163
Context window1.0M1M
Max output66K131K
ReleasedDec 2025Oct 2026
LicenceProprietaryProprietary
Choose Gemini 3 Flash Preview if…
  • Larger context window (1.0M)
Choose Mercury 3 if…
  • Costs less per token — $0.163 vs $1.13 blended
  • Newer model (released Oct 2026)
FAQ
Which is better, Gemini 3 Flash Preview or Mercury 3?
We do not hold independently-run benchmark scores covering both Gemini 3 Flash Preview and Mercury 3, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 3 Flash Preview cheaper than Mercury 3?
Mercury 3 is cheaper: $0.163 versus $1.13 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $0.100. Output alone: $3.00 vs $0.350.
What context windows do Gemini 3 Flash Preview and Mercury 3 have?
Gemini 3 Flash Preview: 1,048,576 tokens. Mercury 3: 1,000,000 tokens.
Who makes Gemini 3 Flash Preview and Mercury 3?
Gemini 3 Flash Preview is made by Google. Mercury 3 is made by Inception.
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