# Aion-3.0 vs Gemma 2 27B - AI Model Comparison

- Page: https://opencode.ai/data/compare/aion-labs/aion-3-0/google/gemma-2-27b-it

|  | Aion-3.0 | Gemma 2 27B |
| --- | --- | --- |
| Lab | Aion Labs | Google |
| Context window | 131K | 8.2K |
| Max output | 33K | 2K |
| Input modalities | text | text |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| Open weights | No | Yes |
| Release date | 2026-07-07 | 2024-07-13 |
| Input price per 1M tokens | $3.00 | $0.89 |
| Output price per 1M tokens | $6.00 | $0.89 |
| Cached input price per 1M tokens | $0.75 | - |
| OpenCode tokens: past 2 months | - | - |
| Share of all tokens | - | - |
| Rank by tokens last week | - | - |
| Unique users | - | - |
| Weekly retention | - | - |

Model pages: [Aion-3.0](https://opencode.ai/data/aion-labs/aion-3-0.md), [Gemma 2 27B](https://opencode.ai/data/google/gemma-2-27b-it.md)

## Methodology

- Updates: Aggregated every hour. Days and weeks use UTC.
- Tokens: Input, output, reasoning, and cached tokens for each request.
- Users and sessions: Approximate counts of distinct users and OpenCode sessions.
- Cost: Session cost is the average cost per OpenCode session. Token prices are list prices from the OpenCode model catalog.
- Retention: The share of a model's users in one week who use it again the next week.
- Citation: Cite OpenCode Data (opencode.ai/data) with the update time shown at the top of the page.