tokevenClaudevsGrok
Claude Opus 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 Opus 5
FlagshipGrok Build 0.1
Fast / BudgetInput $/MTok
$5.00
$1.00
Output $/MTok
$25.00
$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
0
vs
0
Summarization
65
vs
63
Q&A
0
vs
0
Extraction
73
vs
71
Reasoning
91
vs
76
Classification
0
vs
0
Creative Writing
61
vs
73
Claude Opus 5
Grok Build 0.1
Guidance
When to use Claude Opus 5 vs Grok Build 0.1
Choose Claude Opus 5 when...
- -You need strong reasoning (confidence 91 vs 76)
- -You need strong extraction (confidence 73 vs 71)
- -You need strong code generation (confidence 72 vs 54)
- -You need strong summarization (confidence 65 vs 63)
- -You need a larger context window (1M vs 256K)
Choose Grok Build 0.1 when...
- -You need strong creative writing (confidence 73 vs 61)
- -Cost matters: 80% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Opus 5
Grok Build 0.1
100K tokens
$1.10
$0.13Cheaper
1M tokens
$11.00
$2.60Cheaper
10M tokens
$110.00
$26.00Cheaper
FAQ
When should I use Claude Opus 5 instead of Grok Build 0.1?
Claude Opus 5 outperforms Grok Build 0.1 for Code Generation, Summarization, Extraction. It costs $5.00/$25.00 per million tokens (input/output).
Is Grok Build 0.1 cheaper than Claude Opus 5?
Yes. Grok Build 0.1 input costs $1.00/MTok vs $5.00/MTok for Claude Opus 5, saving 80% on input.
What are the context window sizes for Claude Opus 5 and Grok Build 0.1?
Claude Opus 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 Opus 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.