Claude Opus 4.8 vs Grok 4.5

< Large Language Models (LLM)

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

Claude Opus 4.8Grok 4.5
ProviderAnthropicxAI
Pricing$150–700/mo$50–300/mo
Quality
9.8/10
9/10
Speed
7.8/10
8.5/10
Ease of use
8/10
7.8/10
Value
2/10
5/10
Context1000K256K
TasksText Generation, Chatbots, Coding, Data Analysis, Translation, RAG / SearchText Generation, Chatbots, Coding, Data Analysis, Translation, RAG / Search
Pros
  • + Top code quality
  • + 1M context
  • + Strong judgment
  • + Strong Big Tech alternative
  • + Current lineup
Cons
  • Most expensive tier
  • Cloud only
  • Fewer ecosystem integrations

Claude Opus 4.8

Anthropic flagship: best for deep refactoring and judgment; ~4× fewer missed code defects.

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Grok 4.5

xAI model — alternative in the July 2026 flagship list.

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