Gemini 3 Pro vs GPT-5.6 Luna

Comparing two large language models (llm) models: features, pricing, pros and cons.

	Gemini 3 Pro	GPT-5.6 Luna
Provider	Google	OpenAI
Pricing	$40–250/mo	$20–120/mo
Quality	9.3/10	8.4/10
Speed	8.3/10	9.5/10
Ease of use	8/10	8.5/10
Value	5/10	8/10
Context	1000K	256K
Tasks	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search
Pros	+ 1M context + Strong multimodal + Free tier available	+ High speed + Low cost + Good for high-volume tasks
Cons	− Coding quality below Opus/Sol	− Weaker than flagships on hard reasoning

Gemini 3 Pro

Google flagship with strong LMArena rating (1501) and 1M token context.

Fastest and cheapest GPT-5.6 tier for light tasks and high throughput.