token.app โ€บ Compare โ€บ MiniMax M3 vs GPT-5.6 Luna

MiniMax M3 vs GPT-5.6 Luna

GPT-5.6 Luna leads on 2 of 2 shared benchmarks. GPT-5.6 Luna is 1.2ร— 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
MiniMax M3GPT-5.6 Luna
ProviderMiniMaxOpenAI
Input $/1M$0.300$0.200
Output $/1M$1.20$1.20
Blended $/1M$0.525$0.450
Context window1.0M1.1M
Max output512K128K
ReleasedMay 2026Jul 2026
LicenceOpen weightsProprietary
GPQA Diamond 90.9% 91.6%
OTIS Mock AIME 71.1% 98.3%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose MiniMax M3 ifโ€ฆ
  • Open weights โ€” self-hostable
Choose GPT-5.6 Luna ifโ€ฆ
  • Costs less per token โ€” $0.450 vs $0.525 blended
  • Higher GPQA Diamond (91.6% vs 90.9%)
  • Higher OTIS Mock AIME (98.3% vs 71.1%)
  • Larger context window (1.1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, MiniMax M3 or GPT-5.6 Luna?
Across the 2 benchmarks both models have independently-run scores for, MiniMax M3 leads on 0 and GPT-5.6 Luna leads on 2. Benchmarks are one input โ€” price and context window are on this page too.
Is MiniMax M3 cheaper than GPT-5.6 Luna?
GPT-5.6 Luna is cheaper: $0.450 versus $0.525 per million tokens blended at 3:1 input:output. Input alone: $0.300 vs $0.200. Output alone: $1.20 vs $1.20.
What context windows do MiniMax M3 and GPT-5.6 Luna have?
MiniMax M3: 1,048,576 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes MiniMax M3 and GPT-5.6 Luna?
MiniMax M3 is made by MiniMax. GPT-5.6 Luna is made by OpenAI.
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