tokevenGPTvsGemini
GPT 5.6 Luna vs Gemini 3.5 Flash-Lite
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.6 Luna
Fast / BudgetGemini 3.5 Flash-Lite
Fast / BudgetInput $/MTok
$1.00
$0.25
Output $/MTok
$6.00
$1.50
Cache discount
90% off
75% off
Context
1,000K
1,000K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
70
vs
55
Code Review
68
vs
52
Summarization
84
vs
79
Q&A
85
vs
78
Extraction
89
vs
83
Reasoning
63
vs
50
Classification
91
vs
85
Creative Writing
58
vs
45
GPT 5.6 Luna
Gemini 3.5 Flash-Lite
Guidance
When to use GPT 5.6 Luna vs Gemini 3.5 Flash-Lite
Choose GPT 5.6 Luna when...
- -You need strong classification (confidence 91 vs 85)
- -You need strong extraction (confidence 89 vs 83)
- -You need strong q&a (confidence 85 vs 78)
- -You need strong summarization (confidence 84 vs 79)
Choose Gemini 3.5 Flash-Lite when...
- -Cost matters: 75% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.6 Luna
Gemini 3.5 Flash-Lite
100K tokens
$0.25
$0.06Cheaper
1M tokens
$2.50
$0.63Cheaper
10M tokens
$25.00
$6.25Cheaper
FAQ
When should I use GPT 5.6 Luna instead of Gemini 3.5 Flash-Lite?
GPT 5.6 Luna outperforms Gemini 3.5 Flash-Lite for Classification, Extraction, Q&A. It costs $1.00/$6.00 per million tokens (input/output).
Is Gemini 3.5 Flash-Lite cheaper than GPT 5.6 Luna?
Yes. Gemini 3.5 Flash-Lite input costs $0.25/MTok vs $1.00/MTok for GPT 5.6 Luna, saving 75% on input.
What are the context window sizes for GPT 5.6 Luna and Gemini 3.5 Flash-Lite?
GPT 5.6 Luna has a 1,000K token context window. Gemini 3.5 Flash-Lite has a 1,000K token context window.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.