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GPT 6 Luna vs GPT 6 Sol
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 6 Luna
Fast / BudgetGPT 6 Sol
FlagshipInput $/MTok
$0.10
$2.00
Output $/MTok
$0.50
$10.00
Cache discount
90% off
90% off
Context
922K
922K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
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
vs
0
GPT 6 Luna
GPT 6 Sol
Guidance
When to use GPT 6 Luna vs GPT 6 Sol
Choose GPT 6 Luna when...
- -Cost matters: 95% cheaper on input tokens
Choose GPT 6 Sol when...
- Similar performance; consider provider preference or ecosystem fit.
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 6 Luna
GPT 6 Sol
100K tokens
$0.02Cheaper
$0.44
1M tokens
$0.36Cheaper
$7.30
10M tokens
$3.65Cheaper
$73.00
FAQ
When should I use GPT 6 Luna instead of GPT 6 Sol?
GPT 6 Luna and GPT 6 Sol perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is GPT 6 Sol cheaper than GPT 6 Luna?
GPT 6 Sol input costs $2.00/MTok, which is 1900% more than GPT 6 Luna at $0.10/MTok.
What are the context window sizes for GPT 6 Luna and GPT 6 Sol?
GPT 6 Luna has a 922K token context window. GPT 6 Sol 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 6 Luna and GPT 6 Sol 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.