tokevenGPT 5.6 Terra vs Gemini 3.1 Pro Custom Tools
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.6 Terra
Mid-tierGemini 3.1 Pro Custom Tools
Mid-tierQuality
Task confidence comparison
Guidance
When to use GPT 5.6 Terra vs Gemini 3.1 Pro Custom Tools
Choose GPT 5.6 Terra when...
- Similar performance; consider provider preference or ecosystem fit.
Choose Gemini 3.1 Pro Custom Tools when...
- -You need a larger context window (1,048.576K vs 922K)
- Similar performance; consider provider preference or ecosystem fit.
At scale
Cost at scale
FAQ
When should I use GPT 5.6 Terra instead of Gemini 3.1 Pro Custom Tools?
GPT 5.6 Terra and Gemini 3.1 Pro Custom Tools perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Gemini 3.1 Pro Custom Tools cheaper than GPT 5.6 Terra?
Both models have the same input pricing at $2.00/MTok. Compare output pricing: $12.00 vs $12.00/MTok.
What are the context window sizes for GPT 5.6 Terra and Gemini 3.1 Pro Custom Tools?
GPT 5.6 Terra has a 922K token context window. Gemini 3.1 Pro Custom Tools has a 1,048.576K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
GPT 5.6 Terra pricing & benchmarks
$2.00 / $12.00 per MTok
GPT 5.6 Terra cost calculator
All GPT models
GPT 5.6 Terra pricing history
Gemini 3.1 Pro Custom Tools pricing & benchmarks
$2.00 / $12.00 per MTok
Gemini 3.1 Pro Custom Tools cost calculator
All Gemini models
Gemini 3.1 Pro Custom Tools pricing history
Other comparisons
How GPT 5.6 Terra and Gemini 3.1 Pro Custom Tools 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.