gemma-4-31B-it vs Gemini 3.1 Flash Lite Preview
API pricing, benchmark indices and specs — updated 19 October 2026.
google · B · API-only
Input / 1M
$0.25
Output / 1M
$1.50
AA index
15.6
proprietary · 1M context
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | gemma-4-31B-it | Gemini 3.1 Flash Lite Preview |
|---|---|---|
| Deployment | Open weights · also via API | API-only (closed weights) |
| Parameters | 32.7 B | n/a — API-only |
| Architecture | Gemma4ForConditionalGeneration | n/a — API-only |
| Context length | 262,144 | 1,048,576 |
| Licence | apache-2.0 | Proprietary |
| Commercial use | Allowed | Per API terms |
| Languages | — | n/a — API-only |
| Downloads 30d | 8,540,107 | n/a — API-only |
| Downloads all time | 69.2 M | n/a — API-only |
| Quantizations on the Hub | SAFETENSORS | n/a — API-only |
| Gated | No | n/a — API-only |
| First seen on the Hub | 2026-03-11 | n/a — API-only |
| API input price / 1M tokens | $0.20 | $0.25 |
| API output price / 1M tokens | $0.40 | $1.50 |
| Est. cost per 1M input + 1M output tokens | $0.60 | $1.75 |
| Cached input / 1M tokens | — | $0.025 |
| AA Intelligence Index | 14.7 | 15.6 |
| AA Coding Index | 43.4 | 34.7 |
| AA Agentic Index | 4.2 | 1.6 |
| Max output tokens | 16,384 | 65,536 |
| API providers | 12 | 1 |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
API cost
Estimated cost of 1M input + 1M output tokens via OpenRouter
gemma-4-31B-it
$0.60
Gemini 3.1 Flash Lite Preview
$1.75
gemma-4-31B-it is 2.9× cheaper at list price.
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
gemma-4-31B-it · fp16
74.2 GB / 24 GB