tokevenGPTvsGPT
GPT 5.2 Pro vs GPT 6 Astra
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.2 Pro
FlagshipGPT 6 Astra
FlagshipInput $/MTok
$21.00
$10.00
Output $/MTok
$168.00
$50.00
Cache discount
0% off
90% off
Context
272K
922K
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
GPT 5.2 Pro
GPT 6 Astra
Guidance
When to use GPT 5.2 Pro vs GPT 6 Astra
Choose GPT 5.2 Pro when...
- Similar performance; consider provider preference or ecosystem fit.
Choose GPT 6 Astra when...
- -Cost matters: 52% cheaper on input tokens
- -You need a larger context window (922K vs 272K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.2 Pro
GPT 6 Astra
100K tokens
$6.51
$2.20Cheaper
1M tokens
$65.10
$36.50Cheaper
10M tokens
$651.00
$365.00Cheaper
FAQ
When should I use GPT 5.2 Pro instead of GPT 6 Astra?
GPT 5.2 Pro and GPT 6 Astra perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is GPT 6 Astra cheaper than GPT 5.2 Pro?
Yes. GPT 6 Astra input costs $10.00/MTok vs $21.00/MTok for GPT 5.2 Pro, saving 52% on input.
What are the context window sizes for GPT 5.2 Pro and GPT 6 Astra?
GPT 5.2 Pro has a 272K token context window. GPT 6 Astra has a 922K 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 5.2 Pro and GPT 6 Astra 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.