Muse Spark 1.1 vs Muse Spark 1.2: Specs & Benchmark Comparison

Muse Spark 1.1 and Muse Spark 1.2 both come from Meta, Muse Spark 1.1 was released in July 2026, and Muse Spark 1.2 followed a month later in August 2026.

The two models share 2 published benchmarks. Muse Spark 1.2 leads on 2 of them. The widest gaps are on DeepSWE 1.1, where Muse Spark 1.2 scores 59.0% against 53.0%; Terminal-Bench 2.1, where Muse Spark 1.2 scores 83.0% against 80.0%. Averaged across everything we track, Muse Spark 1.1 sits at 70.7% and Muse Spark 1.2 at 71.0%.

Muse Spark 1.2 is the cheaper API at $0.10 per million input tokens and $0.20 per million output tokens, roughly 13 times cheaper than Muse Spark 1.1 at $1.25 and $4.25. Both accept a context window of about 1M tokens. Both accept text and images as input.

CharacteristicMuse Spark 1.1Muse Spark 1.2
CompanyMetaMeta
Release DateJuly 9, 2026August 5, 2026
Parameters
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)131K131K
Input Price / 1M$1.25$0.10
Output Price / 1M$4.25$0.20
Average Score70.7%71.0%
Benchmarks
DeepSWE 1.153.0%59.0%
Terminal-Bench 2.180.0%83.0%

Visual Benchmark Comparison

Muse Spark 1.1
Muse Spark 1.2
DeepSWE 1.10.5 vs 0.6
0.5
0.6
Terminal-Bench 2.10.8 vs 0.8
0.8
0.8

Verdict

Muse Spark 1.2 leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Muse Spark 1.1 — 0.7, Muse Spark 1.2 — 0.7.

API Cost

Muse Spark 1.2 is 18.3x cheaper: input $0.10/1M vs $1.25/1M tokens.

Context Window

Same context size: 1M tokens.

Recency

Muse Spark 1.2 is newer: released 8/5/2026 vs 7/9/2026.

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Frequently Asked Questions

Which is better for coding — Muse Spark 1.1 or Muse Spark 1.2?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Muse Spark 1.1 or Muse Spark 1.2?
Muse Spark 1.2 is cheaper for input: $0.10 per 1M tokens vs $1.25.
Which has a larger context window — Muse Spark 1.1 or Muse Spark 1.2?
Muse Spark 1.1 supports a larger context: 1,000,000 tokens vs 1,000,000.

The Muse Spark 1.1 and Muse Spark 1.2 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Muse Spark 1.1 or Muse Spark 1.2 page. See also the complete list of AI model comparisons.