# Qwen3.8 Flash vs Muse Spark 1.2 Contributor - AI Model Comparison

- Page: https://opencode.ai/data/compare/alibaba/qwen3-8-flash/meta/muse-spark-1-2-contributor
- Updated: 2026-10-07T10:46:21.000Z

|  | Qwen3.8 Flash | Muse Spark 1.2 Contributor |
| --- | --- | --- |
| Lab | Alibaba | Meta |
| Context window | 1M | 1M |
| Max output | 131K | 131K |
| Input modalities | text, image, video | text, image, video, pdf, audio |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Open weights | No | No |
| Release date | 2026-08-26 | 2026-08-05 |
| Input price per 1M tokens | $0.15 | $0.10 |
| Output price per 1M tokens | $0.47 | $0.20 |
| Cached input price per 1M tokens | $0.02 | $0.0020 |
| OpenCode tokens: past 2 months | 2.2T | 39T |
| Share of all tokens | 0.2% | 4.1% |
| Rank by tokens last week | #17 | #13 |
| Unique users | 167K | 461K |
| Weekly retention | 59.0% | 78.3% |

Model pages: [Qwen3.8 Flash](https://opencode.ai/data/alibaba/qwen3-8-flash.md), [Muse Spark 1.2 Contributor](https://opencode.ai/data/meta/muse-spark-1-2-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.