Best Gemini model for code

For code with Gemini, use 3.8 Flash at medium effort.

3.8 Flash at medium effort

Medium effortgeneration_config.thinking_level = medium

The strongest Google model for code that you can use today. Beats 3.1 Pro on coding tests at about a third of the price. Intro pricing ends Dec 31, then it doubles to $1.50 / $7.50.

How it compares

Prices are in US dollars per million tokens, input then output. 3.8 Flash costs $0.75 / $3.75.

ModelPriceAgainst the pick
ArgonRolling out$2 / $10Google's newest model, still rolling out. It can't be the pick until it's broadly available.
3.1 ProPreview$2 / $12Older (Feb), about 3x the price, and behind 3.8 Flash on coding.
3.5 Flash-Lite$0.30 / $2.50Built for bulk tasks and a poor fit for code.

Setting it in the API

In an API request, set the model and effort like this:

model: "gemini-3.8-flash", generation_config: { thinking_level: "medium" }

Maintained by the AI team at Vegan Hacktivists

Prices are per million tokens, input / output. We pick for the best result per dollar, so a pricier model can score higher and still lose out. This pick last changed Oct 9, 2026. Sources: Anthropic docs, OpenAI docs, Gemini docs, Artificial Analysis, Vals AI.Last checked Oct 12, 2026.

Other picks

Gemini for everyday work, research, agents and automations.

Other labs for code: Claude, OpenAI.

Open the interactive picker to switch between labs and tasks.

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