Muse Spark 1.2
meta · meta/muse-spark-1.2
Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.
≈699k Chinese characters of context · Reads images · Step-by-step reasoning · Calls tools / agents · Structured JSON output
Read a 200,000-Chinese-character book and write a 2,000-Chinese-character summary: about $0.39
An order-of-magnitude estimate at 1.5 tokens per Chinese character and the vendor's own rate — not a quote. Full method: the glossary on the AI Models page.
Specs
| Context | 1,048,576(≈699k Chinese characters) |
|---|---|
| Max output | 131,072 |
| Structured output | Yes |
| Open weights | No |
| Released | 2026-08-05 |
Source: models.dev snapshot 2026-08-29
Who serves it, at what price
| Provider | In /M | Out /M | Cache read /M |
|---|---|---|---|
| Metafirst-party | $1.25 | $4.25 | $0.15 |
| Abacus | $1.25 | $4.25 | $0.15 |
| DevPass (LLM Gateway) | $1.25 | $4.25 | $0.15 |
| OpenCode Zen | $1.25 | $4.25 | $0.15 |
Rows tagged “first-party” are the model vendor's own pricing; untagged rows are resale channels and may differ.
When to choose it
This model is on our watch list but has no written assessment yet — we do not write what we cannot support. The specs and prices above still stand.
Leaderboard
Not yet on any leaderboard we track. That does not mean the model performs poorly — it means we have not taken this snapshot for it yet, and we do not publish a score we have not measured.