tokevenGPTvsGrok
GPT 5.6 Terra vs Grok Build 0.1
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.6 Terra
Mid-tierGrok Build 0.1
Fast / BudgetInput $/MTok
$2.00
$1.00
Output $/MTok
$12.00
$2.00
Cache discount
90% off
80% off
Context
1,050K
256K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
86
vs
0
Code Review
84
vs
0
Summarization
92
vs
0
Q&A
92
vs
0
Extraction
90
vs
0
Reasoning
82
vs
0
Classification
89
vs
0
Creative Writing
80
vs
0
GPT 5.6 Terra
Grok Build 0.1
Guidance
When to use GPT 5.6 Terra vs Grok Build 0.1
Choose GPT 5.6 Terra when...
- -You need a larger context window (1,050K vs 256K)
- Similar performance; consider provider preference or ecosystem fit.
Choose Grok Build 0.1 when...
- -Cost matters: 50% cheaper on input tokens
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.6 Terra
Grok Build 0.1
100K tokens
$0.50
$0.13Cheaper
1M tokens
$8.20
$2.60Cheaper
10M tokens
$82.00
$26.00Cheaper
FAQ
When should I use GPT 5.6 Terra instead of Grok Build 0.1?
GPT 5.6 Terra and Grok Build 0.1 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Grok Build 0.1 cheaper than GPT 5.6 Terra?
Yes. Grok Build 0.1 input costs $1.00/MTok vs $2.00/MTok for GPT 5.6 Terra, saving 50% on input.
What are the context window sizes for GPT 5.6 Terra and Grok Build 0.1?
GPT 5.6 Terra has a 1,050K 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 GPT 5.6 Terra 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.