Gemini 2.5 Flash-Lite vs Gemini 3.1 Flash-Lite
Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.
Google · Jul 2025
Ten cents per million input tokens with multimodal support — the price floor of the 2025 Gemini lineup.
Google · Mar 2026
The cheapest Gemini 3 model: multimodal input and a 1M context for $0.25/$1.50 — built for massive-scale pipelines.
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. On price the gap is dramatic: Gemini 2.5 Flash-Lite works out roughly 3.2x cheaper per blended million tokens. Gemini 2.5 Flash-Lite also takes 1.0M of context versus 1M for Gemini 3.1 Flash-Lite.
Specs & pricing
| Gemini 2.5 Flash-Lite | Gemini 3.1 Flash-Lite | |
|---|---|---|
| modhub Index | — | — |
| Input price / 1M | $0.1 | $0.25 |
| Output price / 1M | $0.4 | $1.5 |
| Context window | 1.0M | 1M |
| Max output | 66K | 66K |
| Open weights | no | no |
| Reasoning model | no | no |
| Multimodal input | text, image, audio, video | text, image, audio, video |
| Knowledge cutoff | Jan 2025 | Nov 2025 |
| Released | Jul 2025 | Mar 2026 |
| Example monthly cost* | $1.60 | $4.75 |
* 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 2.5 Flash-Lite or Gemini 3.1 Flash-Lite?
- These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. On price the gap is dramatic: Gemini 2.5 Flash-Lite works out roughly 3.2x cheaper per blended million tokens. Gemini 2.5 Flash-Lite also takes 1.0M of context versus 1M for Gemini 3.1 Flash-Lite.
- Which is cheaper, Gemini 2.5 Flash-Lite or Gemini 3.1 Flash-Lite?
- Gemini 2.5 Flash-Lite costs $0.1/$0.4 per million input/output tokens, while Gemini 3.1 Flash-Lite costs $0.25/$1.5. For a typical workload of 10M input and 1.5M output tokens per month, that's $1.60 versus $4.75.
- Which model is better for coding, Gemini 2.5 Flash-Lite or Gemini 3.1 Flash-Lite?
- We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.