Claude Fable 5.1 vs Grok 4.7

A side-by-side comparison of Claude Fable 5.1 and Grok 4.7 — intelligence, context, capabilities, and price.

Spec
Claude Fable 5.1 logoClaude Fable 5.1250 credits to start
Grok 4.7 logoGrok 4.7From 1 credit
Context window1M500K
Streaming
Reasoning
Tool use
Web search
Vision (image input)
Document input
Video
Audio
Claude Fable 5.1 pricing
  • Input$11.5 / 1M tokens
  • Cached input$0.2875 / 1M tokens
  • 5m cache write$14.375 / 1M tokens
  • 1h cache write$23 / 1M tokens
  • Output$57.5 / 1M tokens
  • Web search (when used)$11.5 / 1,000 searchs

List prices plus 15%. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.

View Claude Fable 5.1details →
Grok 4.7 pricing
  • Under 200K prompt tokens · Input$2.3 / 1M tokens
  • Under 200K prompt tokens · Cached input$0.575 / 1M tokens
  • Under 200K prompt tokens · Output$6.9 / 1M tokens
  • 200K+ prompt tokens · Input$4.6 / 1M tokens
  • 200K+ prompt tokens · Cached input$1.15 / 1M tokens
  • 200K+ prompt tokens · Output$13.8 / 1M tokens
  • Web search (when used)$5.75 / 1,000 calls

List prices plus 15%. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.

View Grok 4.7details →

Claude Fable 5.1 vs Grok 4.7: FAQ

Is Claude Fable 5.1 better than Grok 4.7?
Anthropic's newest frontier model for coding, knowledge work, and long-horizon agentic runs. Beats both Fable 5 and Opus 5 on Terminal-Bench 4.0 (55.8%), CursorBench 3.2 (73.4%), and Humanity's Last Exam (65.0% with tools), at 75% cheaper cache reads than Fable 5. xAI's frontier model for coding, agentic tasks, and knowledge work. Improves on Grok 4.6 across long-horizon coding and professional-work benchmarks at the same price and speed. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
Which is cheaper, Claude Fable 5.1 or Grok 4.7?
See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.