Claude Sonnet 5 vs Grok 4.5

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

	Claude Sonnet 5	Grok 4.5
Provider	Anthropic	xAI
Pricing	$70–350/mo	$50–300/mo
Quality	9.4/10	9/10
Speed	8.5/10	8.5/10
Ease of use	8.2/10	7.8/10
Value	5/10	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	+ Near-Opus quality + 1M context + Better price/quality	+ Strong Big Tech alternative + Current lineup
Cons	− Weaker than Opus on hardest refactors	− Fewer ecosystem integrations

Claude Sonnet 5

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

xAI model — alternative in the July 2026 flagship list.