Muse Spark 1.2 vs Muse Spark 1.3
At a Glance
| Compare |  Muse Spark 1.2Meta | Muse Spark 1.3Meta |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | Not reported | Not reported |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 4, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Muse Spark 1.2 | Muse Spark 1.3 |
|---|---|---|
| LMArena Agent Arenaagent-2026-09-15-d25aabda0010 · outcome_score · leader | -1.7794% of row best · score · Muse Spark 1.2 (xHigh); 95% CI [-2.69255217, -0.84918781]; sessions 33094; observations 1437075; rank 32 | 4.20100% of row best · score · Muse Spark 1.3 (Max); 95% CI [3.33950614, 5.06185896]; sessions 31052; observations 2525117; rank 15 |
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · statistical tie | 1,489.44100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1478.95697715, 1499.92080617]; votes 3227; rank 11 | 1,489.74100% of row best · rating · muse-spark-1.3-max; 95% CI [1480.91456937, 1498.56660928]; votes 4723; rank 10 |
| LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · statistical tie | 1,303.8899% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1289.13624882, 1318.62565115]; votes 1841; rank 14 | 1,314.56100% of row best · rating · muse-spark-1.3-max; 95% CI [1299.74034111, 1329.38210317]; votes 1804; rank 8 |
| LiveBench2026-06-25 · overall · leader | 81.8896% of row best · percent · muse-spark-1.2-xhigh · 18,700 output tokens / case | 85.47100% of row best · percent · muse-spark-1.3-xhigh · 28,234 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 2 ties | 0 benchmark wins | 2 benchmark winsOverall lead |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Muse Spark 1.2 | Muse Spark 1.3 |
|---|---|---|
| Developer | Meta | Meta |
| Family | Muse Spark | Muse Spark |
| Model | Muse Spark 1.2 | Muse Spark 1.3 |
| Version | Muse Spark 1.2 | Muse Spark 1.3 |
| Lifecycle | preview | preview |
| Released | 2026-08-05 | 2026-09-02 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video, Audio | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | Unknown | 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, tools |
Muse Spark 1.2 Capabilities
Muse Spark 1.3 Capabilities
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Muse Spark 1.2Meta | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Muse Spark 1.2 vs Muse Spark 1.3 FAQs
Is Muse Spark 1.2 or Muse Spark 1.3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.2 and Muse Spark 1.3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Muse Spark 1.2 or Muse Spark 1.3?+
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 1.2 or Muse Spark 1.3?+
Neither model has a larger sourced context window in this comparison. Muse Spark 1.2 is — and Muse Spark 1.3 is —.
Which performs better in benchmarks, Muse Spark 1.2 or Muse Spark 1.3?+
Muse Spark 1.3 leads the current overall benchmark count. The result uses 4 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.
Can Muse Spark 1.2 or Muse Spark 1.3 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Muse Spark 1.2 is not marked open weight; Muse Spark 1.3 is not marked open weight.
Can Muse Spark 1.2 and Muse Spark 1.3 understand images?+
Muse Spark 1.2 is documented with image input; Muse Spark 1.3 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Muse Spark 1.2 or Muse Spark 1.3?+
Neither has a larger sourced maximum output. Muse Spark 1.2 is — and Muse Spark 1.3 is —.
Do Muse Spark 1.2 and Muse Spark 1.3 support reasoning and tool use?+
Muse Spark 1.2: reasoning, tool calling, and image input. Muse Spark 1.3: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Muse Spark 1.2 or Muse Spark 1.3?+
Muse Spark 1.2 has 0 sourced provider routes; Muse Spark 1.3 has 0, a tie.
Which offers better value, Muse Spark 1.2 or Muse Spark 1.3?+
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.