token.app › Compare › Gemini 3.1 Pro Preview vs Beam 1.0 501B A23B

Gemini 3.1 Pro Preview vs Beam 1.0 501B A23B

Beam 1.0 501B A23B is 10× cheaper per token on a blended 3:1 basis.

Head to head
Blended price uses a 3:1 input:output mix
Gemini 3.1 Pro PreviewBeam 1.0 501B A23B
ProviderGoogleReflection
Input $/1M$2.00$0.250
Output $/1M$12.00$1.00
Blended $/1M$4.50$0.438
Context window1.0M1.0M
Max output66K131K
ReleasedFeb 2026Oct 2026
LicenceProprietaryOpen weights
Choose Gemini 3.1 Pro Preview if…
  • No clear advantage on the data we hold.
Choose Beam 1.0 501B A23B if…
  • Costs less per token — $0.438 vs $4.50 blended
  • Open weights — self-hostable
  • Newer model (released Oct 2026)
FAQ
Which is better, Gemini 3.1 Pro Preview or Beam 1.0 501B A23B?
We do not hold independently-run benchmark scores covering both Gemini 3.1 Pro Preview and Beam 1.0 501B A23B, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 3.1 Pro Preview cheaper than Beam 1.0 501B A23B?
Beam 1.0 501B A23B is cheaper: $0.438 versus $4.50 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $0.250. Output alone: $12.00 vs $1.00.
What context windows do Gemini 3.1 Pro Preview and Beam 1.0 501B A23B have?
Gemini 3.1 Pro Preview: 1,048,576 tokens. Beam 1.0 501B A23B: 1,048,576 tokens.
Who makes Gemini 3.1 Pro Preview and Beam 1.0 501B A23B?
Gemini 3.1 Pro Preview is made by Google. Beam 1.0 501B A23B is made by Reflection.
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