Muse Spark 1.1 vs Qwen3.8 Flash: Specs & Benchmark Comparison

Muse Spark 1.1 is developed by Meta, while Qwen3.8 Flash comes from Alibaba. Muse Spark 1.1 was released in July 2026, and Qwen3.8 Flash followed a month later in August 2026. Qwen3.8 Flash has a published size of about 125 billion parameters; Meta has not disclosed the parameter count of Muse Spark 1.1.

The two models share 6 published benchmarks. Qwen3.8 Flash leads on 4 of them, Muse Spark 1.1 on 2. The widest gaps are on Humanity's Last Exam, where Muse Spark 1.1 scores 62.1% against 35.9%; DeepSWE 1.1, where Qwen3.8 Flash scores 58.7% against 53.0%. Averaged across everything we track, Muse Spark 1.1 sits at 70.7% and Qwen3.8 Flash at 68.5%.

Qwen3.8 Flash is the cheaper API at $0.15 per million input tokens and $0.47 per million output tokens, roughly 8 times cheaper than Muse Spark 1.1 at $1.25 and $4.25. Both accept a context window of about 1M tokens. Muse Spark 1.1 accepts text and images as input, while Qwen3.8 Flash accepts text, images, and video. On tooling, only Muse Spark 1.1 supports function calling and only Muse Spark 1.1 offers structured output.

CharacteristicMuse Spark 1.1Qwen3.8 Flash
CompanyMetaAlibaba
Release DateJuly 9, 2026August 26, 2026
Parameters125B
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)131K131K
Input Price / 1M$1.25$0.15
Output Price / 1M$4.25$0.47
Average Score70.7%68.5%
Benchmarks
Humanity's Last Exam62.1%35.9%
DeepSWE 1.153.0%58.7%
CharXiv-R88.0%90.6%
Toolathlon75.6%73.5%
Job Bench54.7%55.7%
SWE-Bench Pro61.5%62.5%

Visual Benchmark Comparison

Muse Spark 1.1
Qwen3.8 Flash
Humanity's Last Exam0.6 vs 0.4
0.6
0.4
DeepSWE 1.10.5 vs 0.6
0.5
0.6
CharXiv-R0.9 vs 0.9
0.9
0.9
Toolathlon0.8 vs 0.7
0.8
0.7
Job Bench0.5 vs 0.6
0.5
0.6
SWE-Bench Pro0.6 vs 0.6
0.6
0.6

Verdict

Qwen3.8 Flash leads in 3 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Muse Spark 1.1 — 0.7, Qwen3.8 Flash — 0.7.

API Cost

Qwen3.8 Flash is 8.9x cheaper: input $0.15/1M vs $1.25/1M tokens.

Context Window

Qwen3.8 Flash supports a larger context: 1M vs 1M tokens.

Recency

Qwen3.8 Flash is newer: released 8/26/2026 vs 7/9/2026.

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Frequently Asked Questions

Which is better for coding — Muse Spark 1.1 or Qwen3.8 Flash?
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 Qwen3.8 Flash?
Qwen3.8 Flash is cheaper for input: $0.15 per 1M tokens vs $1.25.
Which has a larger context window — Muse Spark 1.1 or Qwen3.8 Flash?
Qwen3.8 Flash supports a larger context: 1,048,576 tokens vs 1,000,000.

The Muse Spark 1.1 and Qwen3.8 Flash 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 Qwen3.8 Flash page. See also the complete list of AI model comparisons.