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
922K
256K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
64
vs
54
Code Review
84
vs
0
Summarization
64
vs
63
Q&A
92
vs
0
Extraction
75
vs
71
Reasoning
91
vs
76
Classification
89
vs
0
Creative Writing
67
vs
73
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 strong reasoning (confidence 91 vs 76)
- -You need strong extraction (confidence 75 vs 71)
- -You need strong code generation (confidence 64 vs 54)
- -You need strong summarization (confidence 64 vs 63)
- -You need a larger context window (922K vs 256K)
Choose Grok Build 0.1 when...
- -You need strong creative writing (confidence 73 vs 67)
- -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 outperforms Grok Build 0.1 for Code Generation, Summarization, Extraction. It costs $2.00/$12.00 per million tokens (input/output).
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 922K 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.