GPT-5.5 vs MiniMax M3

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

	GPT-5.5	MiniMax M3
Provider	OpenAI	MiniMax
Pricing	$80–400/mo	Free (open-source)
Quality	9.1/10	8.5/10
Speed	8.4/10	8.2/10
Ease of use	8/10	6.8/10
Value	5/10	9/10
Context	256K	—
Tasks	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search
Pros	+ Stable fallback + Cheaper than 5.6 + Proven quality	+ Solid open-weight quality + Free locally
Cons	− No longer the top of the lineup	− Less documentation in some locales

GPT-5.5

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

MiniMax open-weight model for the open-source shortlist.