# Cogito v2.1 671B vs Pearl Gemma 4 31B Instruct

Cogito v2.1 671B and Pearl Gemma 4 31B Instruct are not currently in the Allocate serving catalog, so this page lists no prices for them: every price on this site comes from the live catalog.

## Specifications

| | Cogito v2.1 671B | Pearl Gemma 4 31B Instruct |
| --- | --- | --- |
| Lab | Deep Cogito | Pearl AI |
| Access | Not served on Allocate | Not served on Allocate |
| Context window | n/a | n/a |
| List price, input | Not served | Not served |
| List price, output | Not served | Not served |
| Cached input | n/a | n/a |
| License | Not listed | Not listed |
| Fine-tunable | Yes | Yes |

Specifications and provider list prices from the Allocate catalog, checked 2026-09-12.

## Choose Cogito v2.1 671B for

- Long reasoning chains
- Open-weight agents
- Self-hosted reasoning

## Choose Pearl Gemma 4 31B Instruct for

- Long-document reasoning
- Open-weight fine-tuning
- Mid-size general work

## Common questions

### Can I fine-tune Cogito v2.1 671B or Pearl Gemma 4 31B Instruct?

Both publish open weights (Cogito v2.1 671B: Not listed; Pearl Gemma 4 31B Instruct: Not listed), so both can be fine-tuned. On Allocate the trained weights stay inside your boundary and belong to you.

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[HTML page](https://allocate.network/compare/deepcogito-cogito-v2-1-671b-vs-pearl-gemma-4-31b-it) · [Cogito v2.1 671B](https://allocate.network/models/deepcogito-cogito-v2-1-671b.md) · [Pearl Gemma 4 31B Instruct](https://allocate.network/models/pearl-gemma-4-31b-it.md) · [Machine-readable catalog](https://allocate.network/catalog.json)