Claude Fable 5.1 vs Grok 4.6

A side-by-side comparison of Claude Fable 5.1 and Grok 4.6 — intelligence, context, capabilities, and price.

Spec
Claude Fable 5.1 logoClaude Fable 5.1
Grok 4.6 logoGrok 4.6
Context window1M500K
Streaming
Reasoning
Tool use
Web search
Vision (image input)
Document input
Video
Audio
Claude Fable 5.1 pricing
  • Input$10 / 1M tokens
  • Cached input$0.25 / 1M tokens
  • 5m cache write$12.5 / 1M tokens
  • 1h cache write$20 / 1M tokens
  • Output$50 / 1M tokens
  • Web search (when used)$10 / 1,000 searchs

Provider-equivalent rates. 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 4.6 pricing
  • Under 200K prompt tokens · Input$2 / 1M tokens
  • Under 200K prompt tokens · Cached input$0.5 / 1M tokens
  • Under 200K prompt tokens · Output$6 / 1M tokens
  • 200K+ prompt tokens · Input$4 / 1M tokens
  • 200K+ prompt tokens · Cached input$1 / 1M tokens
  • 200K+ prompt tokens · Output$12 / 1M tokens
  • Web search (when used)$5 / 1,000 calls

Provider-equivalent rates. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.

View Grok 4.6details →

Claude Fable 5.1 vs Grok 4.6: FAQ

Is Claude Fable 5.1 better than Grok 4.6?
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 long-running agents, codebase work, and ambitious interactive or visual projects. Scores 61 on the AA Intelligence Index with 500K context and always-on reasoning. 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 4.6?
See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.