# Qwen3.8 27B vs Muse Spark 1.3 Contributor - AI Model Comparison

- Page: https://opencode.ai/data/compare/alibaba/qwen3-8-27b/meta/muse-spark-1-3-contributor
- Updated: 2026-10-09T15:47:02.000Z

|  | Qwen3.8 27B | Muse Spark 1.3 Contributor |
| --- | --- | --- |
| Lab | Alibaba | Meta |
| Context window | 262K | 1M |
| Max output | 33K | 131K |
| Input modalities | text, image, video | text, image, video, pdf, audio |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Open weights | Yes | No |
| Release date | 2026-08-14 | 2026-09-02 |
| Input price per 1M tokens | $0.50 | $0.10 |
| Output price per 1M tokens | $3.00 | $0.20 |
| Cached input price per 1M tokens | $0.10 | $0.0020 |
| OpenCode tokens: past 2 months | 186M | 188T |
| Share of all tokens | 0% | 20% |
| Rank by tokens last week | - | #2 |
| Unique users | 52 | 1.2M |
| Weekly retention | - | 64.4% |

Model pages: [Qwen3.8 27B](https://opencode.ai/data/alibaba/qwen3-8-27b.md), [Muse Spark 1.3 Contributor](https://opencode.ai/data/meta/muse-spark-1-3-contributor.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.