Grok 4.5 vs Claude Opus 4.8

A side-by-side comparison of Grok 4.5 and Claude Opus 4.8 — intelligence, context, capabilities, and price.

Spec
Grok 4.5 logoGrok 4.5
Claude Opus 4.8 logoClaude Opus 4.8
Context window500K500K
Streaming
Reasoning
Tool use
Web search
Vision (image input)
Document input
Video
Audio
Grok 4.5 pricing
  • Input$0.02 / 1M tokens
  • Output$0.06 / 1M tokens
View Grok 4.5details →
Claude Opus 4.8 pricing
  • Input$0.05 / 1M tokens
  • Output$0.25 / 1M tokens
View Claude Opus 4.8details →
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Grok 4.5 vs Claude Opus 4.8: FAQ

Is Grok 4.5 better than Claude Opus 4.8?
xAI's smartest model, trained alongside Cursor for coding and agentic work. 500K context, always-on reasoning, live X knowledge, at a competitive price. Frontier all-rounder. Leads SWE-bench Pro (69%) at AA Intelligence Index v4.1 of 56 — the value pick just below Fable 5. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
Which is cheaper, Grok 4.5 or Claude Opus 4.8?
See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.