Model comparison
Muse Spark 1.2 vs Muse Spark 1.1
- Input
- $1.25
- Output
- $4.25
- Context
- 1M
- Released
- 2026-08-05
- Input
- $1.25
- Output
- $4.25
- Context
- 1M
- Released
- 2026-07-09
Muse Spark 1.2 scores higher on 1 of the 1 benchmarks both models report; both charge the same $1.3 per 1M input tokens.
Specs and pricing side by side
| Spec | Muse Spark 1.2 | Muse Spark 1.1 |
|---|---|---|
| Maker | Meta | Metasame |
| Released | 2026-08-05 | 2026-07-09 |
| Context window | 1M | 1Msame |
| Input price | $1.25 | $1.25same |
| Output price | $4.25 | $4.25same |
| Parameters | Undisclosed | Undisclosedsame |
| License | Proprietary | Proprietarysame |
| Weights | API only | API onlysame |
| Modalities | Text, Vision | Text, Visionsame |
Not published by either maker: max output, knowledge cutoff.
Benchmarks both models report
| Benchmark | Muse Spark 1.2 | Muse Spark 1.1 |
|---|---|---|
| DeepSWE 1.1 | 59.3% | 53.3% |
Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.
Which one should you pick?
Pick Muse Spark 1.2 if…
- You care about DeepSWE 1.1 (it scores higher on 1 shared benchmark).
- Your use case is: reach for it when driving Muse Code or another terminal coding agent through whole-repository changes, large refactors, and long tool-call loops.
Pick Muse Spark 1.1 if…
- Your use case is: reach for it when you need a long-context agent that can drive tools, browsers, and computers across multi-step workflows.
FAQ
Which is better, Muse Spark 1.2 or Muse Spark 1.1?
Muse Spark 1.2 scores higher on 1 of the 1 benchmarks both models report; both charge the same $1.3 per 1M input tokens. The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.
How do Muse Spark 1.2 and Muse Spark 1.1 pricing compare?
Muse Spark 1.2: $1.25 input, $4.25 output. Muse Spark 1.1: $1.25 input, $4.25 output (list API prices as published by each maker).
What are the context windows of Muse Spark 1.2 and Muse Spark 1.1?
Muse Spark 1.2 offers 1M; Muse Spark 1.1 offers 1M.
Is Muse Spark 1.2 newer than Muse Spark 1.1?
Muse Spark 1.2 was released 2026-08-05; Muse Spark 1.1 was released 2026-07-09.