Muse Spark 1.1 vs Muse Spark 1.2
Why this pair: Consecutive Meta Muse Spark agent models
Benchmark Performance
Available Benchmarks
| Benchmark | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| LMArena Agent Arenaagent-2026-08-31-011508720696 · outcome_score · statistical tie | -0.7398% of row best · score · Muse Spark 1.1; 95% CI [-1.36365010, -0.10505611]; sessions 87115; observations 3236537; rank 34 | 0.97100% of row best · score · Muse Spark 1.2 (xHigh); 95% CI [-0.15615379, 2.09143176]; sessions 18416; observations 735300; rank 29 |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie | 1,479.0399% of row best · rating · muse-spark-1.1; 95% CI [1473.99485495, 1484.06002682]; votes 23768; rank 14 | 1,488.47100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1478.00612479, 1498.93408698]; votes 3244; rank 8 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · statistical tie | 1,292.6799% of row best · rating · muse-spark-1.1; 95% CI [1283.99834736, 1301.34176251]; votes 6769; rank 21 | 1,304.12100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1289.37421867, 1318.87511042]; votes 1844; rank 12 |
| LiveBench2026-06-25 · overall · leader | 78.5796% of row best · percent · muse-spark-1.1-xhigh · 13,652 output tokens / case | 81.88100% of row best · percent · muse-spark-1.2-xhigh · 18,700 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 3 ties | 0 benchmark wins | 1 benchmark winOverall lead |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | Muse Spark 1.1 | Muse Spark 1.2 |
|---|---|---|
| Developer | Meta | Meta |
| Family | Muse Spark | Muse Spark |
| Model | Muse Spark 1.1 | Muse Spark 1.2 |
| Version | Muse Spark 1.1 | Muse Spark 1.2 |
| Lifecycle | preview | preview |
| Released | 2026-07-09 | 2026-08-05 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video, Audio | Text, Image, Video, Audio |
| Output modalities | Text | Text |
| Context window | 1,000K | Unknown |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Unknown | Unknown |
| Capabilities | chat, computer-use, generation, reasoning, research, structured_outputs, tools | chat, computer-use, generation, reasoning, research, structured_outputs, tools |
12 comparable fields · 3 material differences · Editorially curated pair passes the primary-source comparison gate
Muse Spark 1.1 Capabilities
Muse Spark 1.2 Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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Muse Spark 1.1Meta | vs |  Kimi-K3Moonshot AI | cross-developer peersimage, text |
 MiniMax-M3MiniMax | vs | Muse Spark 1.1Meta | cross-developer peersimage, text |
Muse Spark 1.1Meta | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Muse Spark 1.1Meta | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs | Muse Spark 1.1Meta | cross-developer peersimage, text, video |
Muse Spark 1.1Meta | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Muse Spark 1.1 vs Muse Spark 1.2 FAQs
Is Muse Spark 1.1 or Muse Spark 1.2 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.1 and Muse Spark 1.2, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Muse Spark 1.1 or Muse Spark 1.2?+
Neither model has a directly sourced input price in this comparison. Neither model has a directly sourced output price in this comparison.
Which has a larger context window, Muse Spark 1.1 or Muse Spark 1.2?+
Neither model has a larger sourced context window in this comparison. Muse Spark 1.1 is 1,000K and Muse Spark 1.2 is —.
Which performs better in benchmarks, Muse Spark 1.1 or Muse Spark 1.2?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Muse Spark 1.1 or Muse Spark 1.2 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Muse Spark 1.1 is not marked open weight; Muse Spark 1.2 is not marked open weight.
Can Muse Spark 1.1 and Muse Spark 1.2 understand images?+
Muse Spark 1.1 is documented with image input; Muse Spark 1.2 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Muse Spark 1.1 or Muse Spark 1.2?+
Neither has a larger sourced maximum output. Muse Spark 1.1 is — and Muse Spark 1.2 is —.
Do Muse Spark 1.1 and Muse Spark 1.2 support reasoning and tool use?+
Muse Spark 1.1: reasoning, tool calling, and image input. Muse Spark 1.2: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Muse Spark 1.1 or Muse Spark 1.2?+
Muse Spark 1.1 has 0 sourced provider routes; Muse Spark 1.2 has 0, a tie.
Which offers better value, Muse Spark 1.1 or Muse Spark 1.2?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.