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GPT 4o Mini vs GPT 6 Luna
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 4o Mini
Fast / BudgetGPT 6 Luna
Fast / BudgetInput $/MTok
$0.15
$0.10
Output $/MTok
$0.60
$0.50
Cache discount
50% off
90% off
Context
128K
922K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
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0
Code Review
0
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0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
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0
GPT 4o Mini
GPT 6 Luna
Guidance
When to use GPT 4o Mini vs GPT 6 Luna
Choose GPT 4o Mini when...
- Similar performance; consider provider preference or ecosystem fit.
Choose GPT 6 Luna when...
- -Cost matters: 33% cheaper on input tokens
- -You need a larger context window (922K vs 128K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4o Mini
GPT 6 Luna
100K tokens
$0.03
$0.02Cheaper
1M tokens
$0.28Cheaper
$0.36
10M tokens
$2.85Cheaper
$3.65
FAQ
When should I use GPT 4o Mini instead of GPT 6 Luna?
GPT 4o Mini and GPT 6 Luna perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is GPT 6 Luna cheaper than GPT 4o Mini?
Yes. GPT 6 Luna input costs $0.10/MTok vs $0.15/MTok for GPT 4o Mini, saving 33% on input.
What are the context window sizes for GPT 4o Mini and GPT 6 Luna?
GPT 4o Mini has a 128K token context window. GPT 6 Luna has a 922K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How GPT 4o Mini and GPT 6 Luna stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.