Muse Spark 1.2 vs Kimi K3

Benchmark Performance

Available Benchmarks

BenchmarkMuse Spark 1.2Kimi-K3
LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie1,488.47100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1478.00612479, 1498.93408698]; votes 3244; rank 81,476.3199% of row best · rating · kimi-k3-max; 95% CI [1470.86166728, 1481.76254962]; votes 17895; rank 16
LiveBench2026-06-25 · overall · leader81.88100% of row best · percent · muse-spark-1.2-xhigh · 18,700 output tokens / case81.0299% of row best · percent · kimi-k3 · 13,647 output tokens / case
Overall ResultCounted from the protocol-matched rows above · 1 tie1 benchmark winOverall lead0 benchmark wins

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

FieldAt a Glance
Meta · previewMuse Spark 1.2Verified Sep 3, 2026
Moonshot AI · activeKimi K3Verified Aug 28, 2026

Technical Differences

Side-by-Side Facts

Indexable
FieldMuse Spark 1.2Kimi-K3
DeveloperMetaMoonshot AI
FamilyMuse SparkKimi K3
ModelMuse Spark 1.2Kimi-K3
VersionMuse Spark 1.2Kimi-K3
Lifecyclepreviewactive
Released2026-08-052026-07-16
Knowledge cutoffUnknownUnknown
Input modalitiesText, Image, Video, AudioText, Image
Output modalitiesTextText
Context windowUnknown1,049K
Total parametersUnknown2.8T
Active parametersUnknown104B
LicenseUnknownother
Open weightsNoYes
API availableYesYes
Self-hostableNoYes
Provider accessUnknownDeepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard)
Capabilitieschat, computer-use, generation, reasoning, research, structured_outputs, toolschat, generation, reasoning

12 comparable fields · 10 material differences · Pair passes the primary-source comparison gate

Muse Spark 1.2 Capabilities

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

Kimi K3 Capabilities

chatgenerationreasoning
Input price$2.85
Output price$14.25
Serving providers5
Canonical IDmoonshotai/Kimi-K3

Internal Comparison Graph

Related Comparisons

All image comparisons →
APairBContext
vscross-developer peersimage, text
vscross-developer peersimage, text
vscross-developer peerstext
vscross-developer peerstext
vscross-developer peersimage, text
vscross-developer peersimage, text, video
vscross-developer peersimage, text
vscross-developer peerstext
vscross-developer peerstext
vscross-developer peersimage, text, video
vscross-developer peersimage, text
vsdeveloper peersimage, text

Primary Evidence

Sources and Freshness

Questions

Muse Spark 1.2 vs Kimi K3 FAQs

Is Muse Spark 1.2 or Kimi K3 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.2 and Kimi K3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Muse Spark 1.2 or Kimi K3?+

Only Kimi K3 has a directly sourced input price: $2.85 per million tokens. Only Kimi K3 has a directly sourced output price: $14.25 per million tokens.

Which has a larger context window, Muse Spark 1.2 or Kimi K3?+

Neither model has a larger sourced context window in this comparison. Muse Spark 1.2 is — and Kimi K3 is 1,049K.

Which performs better in benchmarks, Muse Spark 1.2 or Kimi K3?+

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 Kimi K3 be self-hosted?+

Kimi K3 is the only model in this pair currently marked as self-hostable. Muse Spark 1.2 is not marked open weight; Kimi K3 is open weight.

Can Muse Spark 1.2 and Kimi K3 understand images?+

Muse Spark 1.2 is documented with image input; Kimi K3 is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Muse Spark 1.2 or Kimi K3?+

Neither has a larger sourced maximum output. Muse Spark 1.2 is — and Kimi K3 is —.

Do Muse Spark 1.2 and Kimi K3 support reasoning and tool use?+

Muse Spark 1.2: reasoning, tool calling, and image input. Kimi K3: reasoning and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Muse Spark 1.2 or Kimi K3?+

Muse Spark 1.2 has 0 sourced provider routes; Kimi K3 has 5, so Kimi K3 has broader tracked availability.

Which offers better value, Muse Spark 1.2 or Kimi K3?+

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.

Send Feedback