tokevenGPTvsGPT
GPT 5.6 Sol vs GPT 5.6 Terra
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.6 Sol
FlagshipGPT 5.6 Terra
Mid-tierInput $/MTok
$5.00
$2.50
Output $/MTok
$30.00
$15.00
Cache discount
90% off
90% off
Context
1,000K
1,000K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
94
vs
86
Code Review
92
vs
84
Summarization
90
vs
92
Q&A
91
vs
92
Extraction
88
vs
90
Reasoning
96
vs
82
Classification
86
vs
89
Creative Writing
92
vs
80
GPT 5.6 Sol
GPT 5.6 Terra
Guidance
When to use GPT 5.6 Sol vs GPT 5.6 Terra
Choose GPT 5.6 Sol when...
- -You need strong reasoning (confidence 96 vs 82)
- -You need strong code generation (confidence 94 vs 86)
- -You need strong code review (confidence 92 vs 84)
- -You need strong creative writing (confidence 92 vs 80)
Choose GPT 5.6 Terra when...
- -You need strong summarization (confidence 92 vs 90)
- -You need strong q&a (confidence 92 vs 91)
- -You need strong extraction (confidence 90 vs 88)
- -You need strong classification (confidence 89 vs 86)
- -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 Sol
GPT 5.6 Terra
100K tokens
$1.25
$0.63Cheaper
1M tokens
$12.50
$6.25Cheaper
10M tokens
$125.00
$62.50Cheaper
FAQ
When should I use GPT 5.6 Sol instead of GPT 5.6 Terra?
GPT 5.6 Sol outperforms GPT 5.6 Terra for Reasoning, Code Generation, Code Review. It costs $5.00/$30.00 per million tokens (input/output).
Is GPT 5.6 Terra cheaper than GPT 5.6 Sol?
Yes. GPT 5.6 Terra input costs $2.50/MTok vs $5.00/MTok for GPT 5.6 Sol, saving 50% on input.
What are the context window sizes for GPT 5.6 Sol and GPT 5.6 Terra?
GPT 5.6 Sol has a 1,000K token context window. GPT 5.6 Terra has a 1,000K token context window.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.