Model comparison · updated 2026-07-28
Side-by-side pricing for1 million tokens
| Gemini 3.1 Pro | Gemini 3 Flash | Verdict | |
|---|---|---|---|
| Provider | -- | ||
| Context window | 1M | 1M | -- |
| Input / 1M tokens | $2 | $0.50 | Gemini 3 Flash is 4x cheaper |
| Output / 1M tokens | $12 | $3 | Gemini 3 Flash is 4x cheaper |
| Output:input ratio | 6x | 6x | -- |
| Tier | balanced | budget | -- |
Gemini 3.1 Pro: Prices double for prompts above 200K tokens ($4 / $18).
Gemini 3.1 Pro
5,000,000 tokens
Gemini 3 Flash
20,000,000 tokens
Gemini 3 Flash gives you 4x more input for the same budget.
Gemini 3.1 Pro
833,333 tokens
Gemini 3 Flash
3,333,333 tokens
Gemini 3 Flash gives you 4x more output for the same budget.