Gemini 3.1 Pro vs Gemma 3n E4B Instruct
Gemma 3n E4B Instruct is not currently in the Allocate serving catalog, so this page lists no prices for it: every price on this site comes from the live catalog.
LabGoogleGoogle
AccessAPI onlyNot served on Allocate
Context window1M tokensn/a
List price, input$2 / M tokensNot served
List price, output$12 / M tokensNot served
Cached inputn/an/a
LicenseProprietary APINot listed
Fine-tunableNoYes
Specifications and provider list prices from the Allocate catalog, checked 2026-09-12.
Choose Gemini 3.1 Pro for
- Judgment-heavy workflows
- Long-context analysis
- Escalation tier above Flash
Choose Gemma 3n E4B Instruct for
- Cheap classification
- On-device and edge deployments
- High-volume short prompts
Common questions
Which has the bigger context window?
Gemini 3.1 Pro: 1,000,000 tokens (1M) against an unlisted window for Gemma 3n E4B Instruct.
Can I fine-tune Gemini 3.1 Pro or Gemma 3n E4B Instruct?
Gemma 3n E4B Instruct publishes open weights (Not listed) and can be fine-tuned on your own data. Gemini 3.1 Pro is a closed model served over API; its weights are not available.
Related comparisons
Gemini 3.1 Pro vs Gemini 3.5 FlashGemma 3n E4B Instruct vs Gemini 3.5 FlashGemini 3.1 Pro vs Meta Llama 3.1 405B InstructGemma 3n E4B Instruct vs Meta Llama 3.1 405B InstructGemini 3.1 Pro vs GLM 5.2Gemma 3n E4B Instruct vs GLM 5.2
Run the numbers on your workload
Or do not choose. On Allocate a route name is the contract: point yours at one model today, swap to the other tomorrow, and compare them on your live traffic with per-token metering.