tokevenClaude Fable 5.1 vs Grok 4.20 Non-Reasoning
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Fable 5.1
FlagshipGrok 4.20 Non-Reasoning
Mid-tierQuality
Task confidence comparison
Guidance
When to use Claude Fable 5.1 vs Grok 4.20 Non-Reasoning
Choose Claude Fable 5.1 when...
- Similar performance; consider provider preference or ecosystem fit.
Choose Grok 4.20 Non-Reasoning when...
- -Cost matters: 88% cheaper on input tokens
At scale
Cost at scale
FAQ
When should I use Claude Fable 5.1 instead of Grok 4.20 Non-Reasoning?
Claude Fable 5.1 and Grok 4.20 Non-Reasoning perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Grok 4.20 Non-Reasoning cheaper than Claude Fable 5.1?
Yes. Grok 4.20 Non-Reasoning input costs $1.25/MTok vs $10.00/MTok for Claude Fable 5.1, saving 88% on input.
What are the context window sizes for Claude Fable 5.1 and Grok 4.20 Non-Reasoning?
Claude Fable 5.1 has a 1,000K token context window. Grok 4.20 Non-Reasoning has a 1,000K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Claude Fable 5.1 pricing & benchmarks
$10.00 / $50.00 per MTok
Claude Fable 5.1 cost calculator
All Claude models
Claude Fable 5.1 pricing history
Grok 4.20 Non-Reasoning pricing & benchmarks
$1.25 / $2.50 per MTok
Grok 4.20 Non-Reasoning cost calculator
All Grok models
Grok 4.20 Non-Reasoning pricing history
Other comparisons
How Claude Fable 5.1 and Grok 4.20 Non-Reasoning stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.