# Muse Spark 1.2 Contributor vs Kimi K2.7 Code - AI Model Comparison

- Page: https://opencode.ai/data/compare/meta/muse-spark-1-2-contributor/moonshotai/kimi-k2-7-code
- Updated: 2026-10-20T21:54:08.000Z

|  | Muse Spark 1.2 Contributor | Kimi K2.7 Code |
| --- | --- | --- |
| Lab | Meta | Moonshot |
| Context window | 1M | 262K |
| Max output | 131K | 262K |
| Input modalities | text, image, video, pdf, audio | text, image, video |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Open weights | No | Yes |
| Release date | 2026-08-05 | 2026-06-12 |
| Input price per 1M tokens | $0.10 | $0.95 |
| Output price per 1M tokens | $0.20 | $4.00 |
| Cached input price per 1M tokens | $0.0020 | $0.19 |
| OpenCode tokens: past 2 months | 32T | 1.2T |
| Share of all tokens | 3.0% | 0.1% |
| Rank by tokens last week | #19 | #23 |
| Unique users | 362K | 161K |
| Weekly retention | 76.6% | 59.7% |

Model pages: [Muse Spark 1.2 Contributor](https://opencode.ai/data/meta/muse-spark-1-2-contributor.md), [Kimi K2.7 Code](https://opencode.ai/data/moonshotai/kimi-k2-7-code.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.