Qwen3.5 397B A17B vs Muse Spark 1.2

At a Glance

Compare
Pricing and Limits
Input priceFrom · USD / 1M tokens$0.45Deepinfra · Sep 21, 2026Not reported
Output priceFrom · USD / 1M tokens$3.00Deepinfra · Sep 21, 2026Not reported
Context windowMaximum documented tokens262KNot reported
Model facts checkedAug 28, 2026View model evidence →Sep 3, 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

All benchmark results →
BenchmarkQwen3.5-397B-A17BMuse Spark 1.2
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,438.2697% of row best · rating · qwen3.5-397b-a17b; 95% CI [1434.97391785, 1441.55191176]; votes 77007; rank 711,489.44100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1478.95697715, 1499.92080617]; votes 3227; rank 11
LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader1,265.1597% of row best · rating · qwen3.5-397b-a17b; 95% CI [1259.44632362, 1270.86149272]; votes 27569; rank 421,303.88100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1289.13624882, 1318.62565115]; votes 1841; rank 14
Overall ResultCounted from the protocol-matched rows above0 benchmark winsNo overall winner2 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

FieldQwen3.5-397B-A17BMuse Spark 1.2
DeveloperQwenMeta
FamilyQwen3 5 397b A17bMuse Spark
ModelQwen3.5-397B-A17BMuse Spark 1.2
VersionQwen3.5-397B-A17BMuse Spark 1.2
Lifecycleactivepreview
Released2026-02-152026-08-05
Knowledge cutoffUnknownUnknown
Input modalitiesText, ImageText, Image, Video, Audio
Output modalitiesTextText
Context window262KUnknown
Total parameters403.4BUnknown
Active parameters17BUnknown
Licenseapache-2.0Unknown
Open weightsYesNo
API availableYesYes
Self-hostableYesNo
Provider accessDeepinfra (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard)Unknown
Capabilitieschat, generation, reasoning, toolschat, computer-use, generation, reasoning, research, structured_outputs, tools

Qwen3.5 397B A17B Capabilities

chatgenerationreasoningtools
Serving providers4
Canonical IDQwen/Qwen3.5-397B-A17B

Muse Spark 1.2 Capabilities

chatcomputer-usegenerationreasoningresearchstructured outputstools
Serving providers0
Canonical IDmeta-llama/muse-spark-1.2

Primary Evidence

Sources and Freshness

Questions

Qwen3.5 397B A17B vs Muse Spark 1.2 FAQs

Is Qwen3.5 397B A17B or Muse Spark 1.2 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Qwen3.5 397B A17B and Muse Spark 1.2, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Qwen3.5 397B A17B or Muse Spark 1.2?+

Only Qwen3.5 397B A17B has a directly sourced input price: $0.45 per million tokens. Only Qwen3.5 397B A17B has a directly sourced output price: $3.00 per million tokens.

Which has a larger context window, Qwen3.5 397B A17B or Muse Spark 1.2?+

Neither model has a larger sourced context window in this comparison. Qwen3.5 397B A17B is 262K and Muse Spark 1.2 is —.

Which performs better in benchmarks, Qwen3.5 397B A17B 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 Qwen3.5 397B A17B or Muse Spark 1.2 be self-hosted?+

Qwen3.5 397B A17B is the only model in this pair currently marked as self-hostable. Qwen3.5 397B A17B is open weight; Muse Spark 1.2 is not marked open weight.

Can Qwen3.5 397B A17B and Muse Spark 1.2 understand images?+

Qwen3.5 397B A17B 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, Qwen3.5 397B A17B or Muse Spark 1.2?+

Neither has a larger sourced maximum output. Qwen3.5 397B A17B is — and Muse Spark 1.2 is —.

Do Qwen3.5 397B A17B and Muse Spark 1.2 support reasoning and tool use?+

Qwen3.5 397B A17B: 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, Qwen3.5 397B A17B or Muse Spark 1.2?+

Qwen3.5 397B A17B has 4 sourced provider routes; Muse Spark 1.2 has 0, so Qwen3.5 397B A17B has broader tracked availability.

Which offers better value, Qwen3.5 397B A17B 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.

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