Gemini 3.1 Flash-Lite vs GPT-4o mini

Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.

Gemini 3.1 Flash-Lite

Google · Mar 2026

The cheapest Gemini 3 model: multimodal input and a 1M context for $0.25/$1.50 — built for massive-scale pipelines.

GPT-4o mini

OpenAI · Jul 2024

The 2024 budget classic that defined the cheap-LLM tier; GPT-5 nano and mini have since taken its crown.

The verdict

These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. GPT-4o mini is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Gemini 3.1 Flash-Lite also takes 1M of context versus 128K for GPT-4o mini.

Specs & pricing

Gemini 3.1 Flash-LiteGPT-4o mini
modhub Index
Input price / 1M$0.25$0.15
Output price / 1M$1.5$0.6
Context window1M128K
Max output66K16K
Open weightsnono
Reasoning modelnono
Multimodal inputtext, image, audio, videotext, image
Knowledge cutoffNov 2025Oct 2023
ReleasedMar 2026Jul 2024
Example monthly cost*$4.75$2.40

* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.

Frequently asked questions

Which is better, Gemini 3.1 Flash-Lite or GPT-4o mini?
These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. GPT-4o mini is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Gemini 3.1 Flash-Lite also takes 1M of context versus 128K for GPT-4o mini.
Which is cheaper, Gemini 3.1 Flash-Lite or GPT-4o mini?
Gemini 3.1 Flash-Lite costs $0.25/$1.5 per million input/output tokens, while GPT-4o mini costs $0.15/$0.6. For a typical workload of 10M input and 1.5M output tokens per month, that's $4.75 versus $2.40.
Which model is better for coding, Gemini 3.1 Flash-Lite or GPT-4o mini?
We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.

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