Claude 3 Opus vs Grok 2

A side-by-side comparison of two Frontier LLM models - to help you pick the right one.

Spec comparison

Claude 3 Opus Grok 2
Provider Anthropic xAI
Category Frontier LLM Frontier LLM
Context window 200K ctx 131K ctx
Max output 4K ctx -
Input price $15 / 1M $2 / 1M
Output price $75 / 1M $10 / 1M
License Proprietary Proprietary
Open weights No No
Modality Text, Vision Text

Prices and specs are per provider documentation; verify current figures before relying on them.

Claude 3 Opus: what it's for

Claude 3 Opus is Anthropic's most capable frontier LLM, designed for complex, open-ended reasoning tasks. It supports both text and vision modalities and handles contexts up to 200,000 tokens.

Multistep reasoning on open-ended problemsAnalysis of long documents with dense informationVisual data interpretation alongside textual contextHigh-stakes content generation requiring nuanced judgmentTasks requiring synthesis across multiple knowledge domains

Grok 2: what it's for

Grok 2 is xAI's flagship conversational model, offering real-time context and strong reasoning capabilities. It is a Frontier LLM designed for high-performance text-based tasks. The model excels in scenarios requiring deep understanding and generation of complex text.

Real-time conversational AI applicationsComplex reasoning and problem-solving tasksLong-context text generation and summarizationHigh-performance language understanding and generationApplications requiring large context windows (up to 131072 tokens)

See all Frontier LLM models