Claude Sonnet 5 vs GPT-5.6 Terra

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

	Claude Sonnet 5	GPT-5.6 Terra
Provider	Anthropic	OpenAI
Pricing	$70–350/mo	$60–300/mo
Quality	9.4/10	9.2/10
Speed	8.5/10	8.6/10
Ease of use	8.2/10	8.2/10
Value	5/10	5/10
Context	1000K	1000K
Tasks	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search	Text Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search
Pros	+ Near-Opus quality + 1M context + Better price/quality	+ Price/quality balance + Production-ready + Cheaper than Sol
Cons	− Weaker than Opus on hardest refactors	− Weaker than Sol on hard agentic tasks

Claude Sonnet 5

Anthropic mid-tier: agentic coding close to Opus 4.8 at a lower price.

Mid-tier GPT-5.6: price/quality balance, successor to GPT-5 Standard.