AI model comparison
Gemini 3.1 Flash Lite vs Gemma 4 31B
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads.
- Input / 1M
- $0.25
- Output / 1M
- $1.50
- Context
- 1.05M
Gemma 4 31B
Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output.
- Input / 1M
- $0.09
- Output / 1M
- $0.34
- Context
- 262K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Gemma 4 31B
3.6x cheaper for a typical chat
Higher intelligence score
Gemini 3.1 Flash Lite
15.6 vs 14.7 on Artificial Analysis
Larger context window
Gemini 3.1 Flash Lite
1.05M vs 262K tokens
Newer release
Gemini 3.1 Flash Lite
Released May 7, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Coding index
Agentic index
Pricing
Gemini 3.1 Flash Lite vs Gemma 4 31B API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | ||
|---|---|---|
| Input tokensPer 1M tokens | $0.25 | $0.09 |
| Output tokensPer 1M tokens | $1.50 | $0.34 |
| Cached input (read)Per 1M tokens | $0.03 | $0.05 |
| Cache writePer 1M tokens | $0.08 | Not available |
| Web searchPer request | $0.014 | Not available |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
Coding task
30K in, 4K out
Long document summary
150K in, 2K out
Specs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | ||
|---|---|---|
| Context window | 1.05M tokens | 262K tokens |
| Max output | 66K tokens | 16K tokens |
| Input types | Audio, File, Image, Text, Video | Image, Text, Video |
| Output types | Text | Text |
| Reasoning effort levels | High, Medium, Low, Minimal | Not available |
| Default reasoning effort | Minimal | Not available |
| Release date | May 7, 2026 | April 2, 2026 |
Features
Supported features
API features available for each model.
| Metric | ||
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Not supported |
Our take
Gemma 4 31B is 3.6x cheaper for a typical chat. Gemini 3.1 Flash Lite scores higher on the Artificial Analysis Intelligence Index (15.6 vs 14.7). Gemini 3.1 Flash Lite has the larger context window (1.05M vs 262K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is Gemini 3.1 Flash Lite or Gemma 4 31B cheaper?
Gemma 4 31B is cheaper for a typical chat (2K input tokens and 500 output tokens). Gemma 4 31B costs $0.09 per 1M input tokens and $0.34 per 1M output tokens, while Gemini 3.1 Flash Lite costs $0.25 per 1M input tokens and $1.50 per 1M output tokens.
Which has a bigger context window, Gemini 3.1 Flash Lite or Gemma 4 31B?
Gemini 3.1 Flash Lite supports up to 1.05M tokens of context, compared with 262K for Gemma 4 31B.
Is Gemini 3.1 Flash Lite smarter than Gemma 4 31B?
On the Artificial Analysis Intelligence Index, Gemini 3.1 Flash Lite scores 15.6 and Gemma 4 31B scores 14.7, putting Gemini 3.1 Flash Lite ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Gemini 3.1 Flash Lite and Gemma 4 31B at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Gemini 3.1 Flash Lite and Gemma 4 31B answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Gemini 3.1 Flash Lite and Gemma 4 31B at the same time. Compare the answers side by side and keep the best one.