Gemini 3.5 Flash vs GPT-5.5

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

	Gemini 3.5 Flash	GPT-5.5
Provider	Google	OpenAI
Pricing	$10–80/mo	$80–400/mo
Quality	8.6/10	9.1/10
Speed	9.6/10	8.4/10
Ease of use	8.5/10	8/10
Value	8/10	5/10
Context	1000K	256K
Tasks	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search
Pros	+ Very fast + Cheap + Mass-market default	+ Stable fallback + Cheaper than 5.6 + Proven quality
Cons	− Weaker than Pro on hard tasks	− No longer the top of the lineup

Gemini 3.5 Flash

Fast multimodal GA since May 19, 2026; default in AI Mode.

Previous OpenAI flagship — stable fallback, cheaper than GPT-5.6.