Muse Spark 1.3 vs Grok Build 0.1
At a Glance
| Compare |  Muse Spark 1.3Meta | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| CostLower is better · Published-token output estimate | UnrankedNot in the 44-model eligible cohort | #1 of 44$0.0020 per LiveBench case |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $1.00Xai ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $2.00Xai ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | Not reported | 256K |
| Model facts checked | Sep 4, 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
| Benchmark | Muse Spark 1.3 | Grok Build 0.1 |
|---|---|---|
| LiveBench2026-06-25 · overall · leader | 85.47100% of row best · percent · muse-spark-1.3-xhigh · 28,234 output tokens / case | 71.0983% of row best · percent · grok-build-0.1 · 980 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 1 benchmark winNo 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 1.3 | Grok Build 0.1 |
|---|---|---|
| Developer | Meta | xAI |
| Family | Muse Spark | Grok Build |
| Model | Muse Spark 1.3 | Grok Build 0.1 |
| Version | Muse Spark 1.3 | Grok Build 0.1 |
| Lifecycle | preview | preview |
| Released | 2026-09-02 | 2026-05-29 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image, Video | Text, Image |
| Output modalities | Text | Text |
| Context window | Unknown | 256K |
| 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 | Xai (Standard) |
| Capabilities | chat, computer-use, generation, reasoning, research, tools | chat, generation, reasoning, structured_outputs, tools |
Muse Spark 1.3 Capabilities
Grok Build 0.1 Capabilities
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Muse Spark 1.3Meta | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Muse Spark 1.3 vs Grok Build 0.1 FAQs
Is Muse Spark 1.3 or Grok Build 0.1 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.3 and Grok Build 0.1, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Muse Spark 1.3 or Grok Build 0.1?+
Only Grok Build 0.1 has a directly sourced input price: $1.00 per million tokens. Only Grok Build 0.1 has a directly sourced output price: $2.00 per million tokens.
Which has a larger context window, Muse Spark 1.3 or Grok Build 0.1?+
Neither model has a larger sourced context window in this comparison. Muse Spark 1.3 is — and Grok Build 0.1 is 256K.
Which performs better in benchmarks, Muse Spark 1.3 or Grok Build 0.1?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Muse Spark 1.3 or Grok Build 0.1 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Muse Spark 1.3 is not marked open weight; Grok Build 0.1 is not marked open weight.
Can Muse Spark 1.3 and Grok Build 0.1 understand images?+
Muse Spark 1.3 is documented with image input; Grok Build 0.1 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Muse Spark 1.3 or Grok Build 0.1?+
Neither has a larger sourced maximum output. Muse Spark 1.3 is — and Grok Build 0.1 is —.
Do Muse Spark 1.3 and Grok Build 0.1 support reasoning and tool use?+
Muse Spark 1.3: reasoning, tool calling, and image input. Grok Build 0.1: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Muse Spark 1.3 or Grok Build 0.1?+
Muse Spark 1.3 has 0 sourced provider routes; Grok Build 0.1 has 1, so Grok Build 0.1 has broader tracked availability.
Which offers better value, Muse Spark 1.3 or Grok Build 0.1?+
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.