Muse Spark 1.1 vs Kimi K3
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | Muse Spark 1.1 | Kimi-K3 |
|---|---|---|
| CostLower is better · Published-token output estimate | UnrankedNot in the 36-model eligible cohort | #24 of 36$0.194 per LiveBench case |
Ranks come from the current complete eligible cohorts. Green highlights appear only when both models are ranked in the same metric. Missing required inputs remain unranked, and the three dimensions are not collapsed into an overall winner.
Benchmark Performance
Available Benchmarks
| Benchmark | Muse Spark 1.1 | Kimi-K3 |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · statistical tie | 1,479.03100% of row best · rating · muse-spark-1.1; 95% CI [1473.99485495, 1484.06002682]; votes 23768; rank 14 | 1,476.31100% of row best · rating · kimi-k3-max; 95% CI [1470.86166728, 1481.76254962]; votes 17895; rank 16 |
| LiveBench2026-06-25 · overall · leader | 78.5797% of row best · percent · muse-spark-1.1-xhigh · 13,652 output tokens / case | 81.02100% of row best · percent · kimi-k3 · 13,647 output tokens / case |
| ToneBench2026-08-28-10-task-cd9819ab6e4d · overall_score · leader | 80.7692% of row best · points · Muse Spark 1.1 (thinking) · 6,037 output tokens / case | 88.19100% of row best · points · Kimi K3 · 15,023 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 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.
Technical Differences
Side-by-Side Facts
| Field | Muse Spark 1.1 | Kimi-K3 |
|---|---|---|
| Developer | Meta | Moonshot AI |
| Family | Muse Spark | Kimi K3 |
| Model | Muse Spark 1.1 | Kimi-K3 |
| Version | Muse Spark 1.1 | Kimi-K3 |
| Lifecycle | preview | active |
| Released | 2026-07-09 | 2026-07-16 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video, Audio | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 1,049K |
| Total parameters | Unknown | 2.8T |
| Active parameters | Unknown | 104B |
| License | Unknown | other |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Unknown | Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard) |
| Capabilities | chat, computer-use, generation, reasoning, research, structured_outputs, tools | chat, generation, reasoning |
13 comparable fields · 11 material differences · Pair passes the primary-source comparison gate
Muse Spark 1.1 Capabilities
Kimi K3 Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
Muse Spark 1.1 vs Kimi K3 FAQs
Is Muse Spark 1.1 or Kimi K3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.1 and Kimi K3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Muse Spark 1.1 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 1.1 or Kimi K3?+
Kimi K3 has the larger sourced context window. Muse Spark 1.1 supports 1,000K and Kimi K3 supports 1,049K.
Which performs better in benchmarks, Muse Spark 1.1 or Kimi K3?+
Kimi K3 leads the current overall benchmark count. The result uses 3 protocol-matched benchmarks from 3 publishers; it is not a universal quality score.
Can Muse Spark 1.1 or Kimi K3 be self-hosted?+
Kimi K3 is the only model in this pair currently marked as self-hostable. Muse Spark 1.1 is not marked open weight; Kimi K3 is open weight.
Can Muse Spark 1.1 and Kimi K3 understand images?+
Muse Spark 1.1 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 1.1 or Kimi K3?+
Neither has a larger sourced maximum output. Muse Spark 1.1 is — and Kimi K3 is —.
Do Muse Spark 1.1 and Kimi K3 support reasoning and tool use?+
Muse Spark 1.1: 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 1.1 or Kimi K3?+
Muse Spark 1.1 has 0 sourced provider routes; Kimi K3 has 5, so Kimi K3 has broader tracked availability.
Which offers better value, Muse Spark 1.1 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.