token.app › Compare › Gemini 4 Argon (batch) vs GPT-5.6 Luna

Gemini 4 Argon (batch) vs GPT-5.6 Luna

GPT-5.6 Luna is 4.4× cheaper per token on a blended 3:1 basis. GPT-5.6 Luna accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
Gemini 4 Argon (batch)GPT-5.6 Luna
ProviderGoogleOpenAI
Input $/1M$1.00$0.200
Output $/1M$5.00$1.20
Blended $/1M$2.00$0.450
Context window1.0M1.1M
Max output944K128K
ReleasedOct 2026Jul 2026
LicenceProprietaryProprietary
Choose Gemini 4 Argon (batch) if…
  • Newer model (released Oct 2026)
Choose GPT-5.6 Luna if…
  • Costs less per token — $0.450 vs $2.00 blended
  • Larger context window (1.1M)
FAQ
Which is better, Gemini 4 Argon (batch) or GPT-5.6 Luna?
We do not hold independently-run benchmark scores covering both Gemini 4 Argon (batch) and GPT-5.6 Luna, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 4 Argon (batch) cheaper than GPT-5.6 Luna?
GPT-5.6 Luna is cheaper: $0.450 versus $2.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $0.200. Output alone: $5.00 vs $1.20.
What context windows do Gemini 4 Argon (batch) and GPT-5.6 Luna have?
Gemini 4 Argon (batch): 1,048,576 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes Gemini 4 Argon (batch) and GPT-5.6 Luna?
Gemini 4 Argon (batch) is made by Google. GPT-5.6 Luna is made by OpenAI.
Related comparisons
Gemini 4 Argon (batch) full details GPT-5.6 Luna full details Gemini 4 Argon (batch) vs Flint (free) Gemini 4 Argon (batch) vs MiniMax M3.1 Flash (free) Gemini 4 Argon (batch) vs DeepSeek V4.1 Flash 1017 Gemini 4 Argon (batch) vs Glimpse Gemini 4 Argon (batch) vs Xing4.0 29B A4B (free) Gemini 4 Argon (batch) vs Beam 1.0 501B A23B