tokevenClaudevsGrok
Claude Fable 5 vs Grok Build 0.1
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Fable 5
FlagshipGrok Build 0.1
Fast / BudgetInput $/MTok
$10.00
$1.00
Output $/MTok
$50.00
$2.00
Cache discount
90% off
80% off
Context
1M
256K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
72
vs
54
Code Review
95
vs
0
Summarization
77
vs
63
Q&A
88
vs
0
Extraction
75
vs
71
Reasoning
90
vs
76
Classification
82
vs
0
Creative Writing
72
vs
73
Claude Fable 5
Grok Build 0.1
Guidance
When to use Claude Fable 5 vs Grok Build 0.1
Choose Claude Fable 5 when...
- -You need strong reasoning (confidence 90 vs 76)
- -You need strong summarization (confidence 77 vs 63)
- -You need strong extraction (confidence 75 vs 71)
- -You need strong code generation (confidence 72 vs 54)
- -You need a larger context window (1M vs 256K)
Choose Grok Build 0.1 when...
- -You need strong creative writing (confidence 73 vs 72)
- -Cost matters: 90% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Fable 5
Grok Build 0.1
100K tokens
$2.20
$0.13Cheaper
1M tokens
$22.00
$2.60Cheaper
10M tokens
$220.00
$26.00Cheaper
FAQ
When should I use Claude Fable 5 instead of Grok Build 0.1?
Claude Fable 5 outperforms Grok Build 0.1 for Code Generation, Summarization, Extraction. It costs $10.00/$50.00 per million tokens (input/output).
Is Grok Build 0.1 cheaper than Claude Fable 5?
Yes. Grok Build 0.1 input costs $1.00/MTok vs $10.00/MTok for Claude Fable 5, saving 90% on input.
What are the context window sizes for Claude Fable 5 and Grok Build 0.1?
Claude Fable 5 has a 1M token context window. Grok Build 0.1 has a 256K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Fable 5 and Grok Build 0.1 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.