Muse Spark 1.2 vs Mistral Medium 3.5 128B
At a Glance
| Compare |  Muse Spark 1.2Meta |  Mistral Medium 3.5 128BMistral AI |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | Not reported | 262K |
| Model facts checked | Sep 3, 2026View model evidence → | Aug 28, 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 | Mistral-Medium-3.5-128B |
|---|---|---|
| LMArena Agent Arenaagent-2026-09-15-d25aabda0010 · outcome_score · leader | -1.77100% of row best · score · Muse Spark 1.2 (xHigh); 95% CI [-2.69255217, -0.84918781]; sessions 33094; observations 1437075; rank 32 | -10.8891% of row best · score · Mistral Medium 3.5; 95% CI [-12.33636331, -9.41760729]; sessions 10244; observations 358935; rank 43 |
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,489.44100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1478.95697715, 1499.92080617]; votes 3227; rank 11 | 1,420.5895% of row best · rating · mistral-medium-3.5; 95% CI [1414.04225396, 1427.11615611]; votes 10996; rank 104 |
| LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader | 1,303.88100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1289.13624882, 1318.62565115]; votes 1841; rank 14 | 1,222.0594% of row best · rating · mistral-medium-3.5; 95% CI [1212.30064904, 1231.79518832]; votes 5090; rank 71 |
| Overall ResultCounted from the protocol-matched rows above | 3 benchmark winsNo overall winner | 0 benchmark winsNo overall winner |
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 | Mistral-Medium-3.5-128B |
|---|---|---|
| Developer | Meta | Mistral AI |
| Family | Muse Spark | Mistral Medium 3 5 128b |
| Model | Muse Spark 1.2 | Mistral-Medium-3.5-128B |
| Version | Muse Spark 1.2 | Mistral-Medium-3.5-128B |
| Lifecycle | preview | active |
| Released | 2026-08-05 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video, Audio | Text, Image |
| Output modalities | Text | Text |
| Context window | Unknown | 262K |
| Total parameters | Unknown | 127.7B |
| Active parameters | Unknown | Unknown |
| License | Unknown | other |
| Open weights | No | Yes |
| API available | Yes | Unknown |
| Self-hostable | No | Yes |
| Provider access | Unknown | Unknown |
| Capabilities | chat, computer-use, generation, reasoning, research, structured_outputs, tools | chat, generation, reasoning, tools |
Muse Spark 1.2 Capabilities
Mistral Medium 3.5 128B Capabilities
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Seed 2.1 ProByteDance Seed | vs | Muse Spark 1.2Meta | cross-developer peersimage, text, video |
Muse Spark 1.2Meta | vs | Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Muse Spark 1.2 vs Mistral Medium 3.5 128B FAQs
Is Muse Spark 1.2 or Mistral Medium 3.5 128B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.2 and Mistral Medium 3.5 128B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Muse Spark 1.2 or Mistral Medium 3.5 128B?+
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 Mistral Medium 3.5 128B?+
Neither model has a larger sourced context window in this comparison. Muse Spark 1.2 is — and Mistral Medium 3.5 128B is 262K.
Which performs better in benchmarks, Muse Spark 1.2 or Mistral Medium 3.5 128B?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Muse Spark 1.2 or Mistral Medium 3.5 128B be self-hosted?+
Mistral Medium 3.5 128B is the only model in this pair currently marked as self-hostable. Muse Spark 1.2 is not marked open weight; Mistral Medium 3.5 128B is open weight.
Can Muse Spark 1.2 and Mistral Medium 3.5 128B understand images?+
Muse Spark 1.2 is documented with image input; Mistral Medium 3.5 128B is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Muse Spark 1.2 or Mistral Medium 3.5 128B?+
Neither has a larger sourced maximum output. Muse Spark 1.2 is — and Mistral Medium 3.5 128B is —.
Do Muse Spark 1.2 and Mistral Medium 3.5 128B support reasoning and tool use?+
Muse Spark 1.2: reasoning, tool calling, and image input. Mistral Medium 3.5 128B: 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 Mistral Medium 3.5 128B?+
Muse Spark 1.2 has 0 sourced provider routes; Mistral Medium 3.5 128B has 0, a tie.
Which offers better value, Muse Spark 1.2 or Mistral Medium 3.5 128B?+
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.