Gemini 3.8 Flash vs Gemini 3.7 Flash

The current Gemini Flash against the one it replaces, priced identically at $0.75 in and $3.75 out: a straight generational question with no cost to trade off.

What the numbers say

• Output pricing is close: 45.0 vs 45.0 credits per 1M tokens.
• Both take the same 1.0M-token context window.
• Gemini 3.8 Flash is the newer release (September 2026 vs August 2026).

Derived from the live registry Zeplik routes and bills against. Credits: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin.

Side by side

Try both on Zeplik

The honest answer to most model debates is to run your own prompt on both. Zeplik puts Gemini 3.8 Flash and Gemini 3.7 Flash in the same chat, so you can switch mid-conversation and compare answers on the work you actually do.

Frequently asked questions

What is the difference between Gemini 3.8 Flash and Gemini 3.7 Flash?

Output pricing is close: 45.0 vs 45.0 credits per 1M tokens. Both take the same 1.0M-token context window. Gemini 3.8 Flash is the newer release (September 2026 vs August 2026).

Is Gemini 3.8 Flash or Gemini 3.7 Flash cheaper?

They cost the same on output tokens: 45.0 credits per million each. 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin.

Which has the larger context window, Gemini 3.8 Flash or Gemini 3.7 Flash?

Neither: both take 1.0M tokens.

Can I use both Gemini 3.8 Flash and Gemini 3.7 Flash on Zeplik?

Yes. Zeplik is a multi-model chat, so both sit behind one account and you can switch between them mid-conversation to compare answers on your own prompt.

Do Gemini 3.8 Flash and Gemini 3.7 Flash need a paid plan?

One of the two is open to free accounts; the other needs a paid plan (Plus or above).

Related comparisons

• GPT-6 Luna vs Gemini 3.8 FlashThe value tier at its current edge: GPT-6 Luna undercuts the newest Gemini Flash by seven and a half times on both legs, with a marginally larger window.
• GPT-5.6 Luna vs Gemini 3.7 FlashThe value tier where volume work actually runs: OpenAI's Luna against Gemini 3.7 Flash, at a fraction of either lab's flagship price.
• Claude Sonnet 5 vs Gemini 3.8 FlashA flagship against a flash tier that costs a fraction of it: the honest question is how much of your work actually needs the flagship.
• Gemini 3.7 Flash vs DeepSeek V4 Flash 0423A closed flash tier against the open-weight one, both priced for throughput rather than depth.
• Claude Sonnet 5 vs Gemini 3.7 FlashA flagship against a flash tier that costs a fraction of it: the honest question is how much work actually needs the flagship.
• Gemini 3.7 Flash vs Gemini 3.6 FlashOne Gemini Flash generation to the next, three weeks apart and priced identically: whatever you are choosing between here, it is not cost.