tokevenGPT 3.5 Turbo (0125) vs Gemini 3.1 Flash-Lite
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 3.5 Turbo (0125)
Fast / BudgetGemini 3.1 Flash-Lite
Fast / BudgetQuality
Task confidence comparison
Guidance
When to use GPT 3.5 Turbo (0125) vs Gemini 3.1 Flash-Lite
Choose GPT 3.5 Turbo (0125) when...
- Similar performance; consider provider preference or ecosystem fit.
Choose Gemini 3.1 Flash-Lite when...
- -Cost matters: 50% cheaper on input tokens
- -You need a larger context window (1,048.576K vs 16.385K)
At scale
Cost at scale
FAQ
When should I use GPT 3.5 Turbo (0125) instead of Gemini 3.1 Flash-Lite?
GPT 3.5 Turbo (0125) and Gemini 3.1 Flash-Lite perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Gemini 3.1 Flash-Lite cheaper than GPT 3.5 Turbo (0125)?
Yes. Gemini 3.1 Flash-Lite input costs $0.25/MTok vs $0.50/MTok for GPT 3.5 Turbo (0125), saving 50% on input.
What are the context window sizes for GPT 3.5 Turbo (0125) and Gemini 3.1 Flash-Lite?
GPT 3.5 Turbo (0125) has a 16.385K token context window. Gemini 3.1 Flash-Lite 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 3.5 Turbo (0125) pricing & benchmarks
$0.50 / $1.50 per MTok
GPT 3.5 Turbo (0125) cost calculator
All GPT models
GPT 3.5 Turbo (0125) pricing history
Gemini 3.1 Flash-Lite pricing & benchmarks
$0.25 / $1.50 per MTok
Gemini 3.1 Flash-Lite cost calculator
All Gemini models
Gemini 3.1 Flash-Lite pricing history
Other comparisons
How GPT 3.5 Turbo (0125) and Gemini 3.1 Flash-Lite 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.