Grok-3 Mini vs Muse Spark 1.3: Specs & Benchmark Comparison
Grok-3 Mini is developed by xAI, while Muse Spark 1.3 comes from Meta. Grok-3 Mini was released in February 2025, and Muse Spark 1.3 followed 19 months later in September 2026.
We have 4 benchmark results for Grok-3 Mini and 11 benchmark results for Muse Spark 1.3, but they were measured on different benchmarks, so there is no like-for-like scoreboard.
Grok-3 Mini is the cheaper API at $0.30 per million input tokens and $0.50 per million output tokens, roughly 4 times cheaper than Muse Spark 1.3 at $1.25 and $4.25. Muse Spark 1.3 takes the larger context window at 1M tokens, compared with 128K for Grok-3 Mini. Grok-3 Mini accepts text and images as input, while Muse Spark 1.3 accepts text, images, audio, and video.
| Characteristic | Grok-3 Mini | Muse Spark 1.3 |
|---|---|---|
| Company | xAI | Meta |
| Release Date | February 16, 2025 | September 2, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 128K | 1.0M |
| Context (output) | 8K | 944K |
| Input Price / 1M | $0.30 | $1.25 |
| Output Price / 1M | $0.50 | $4.25 |
| Average Score | 87.8% | 73.4% |
Verdict
Muse Spark 1.3 leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Grok-3 Mini — 0.9, Muse Spark 1.3 — 0.7.
Grok-3 Mini is 6.9x cheaper: input $0.30/1M vs $1.25/1M tokens.
Muse Spark 1.3 supports a larger context: 1M vs 128K tokens.
Muse Spark 1.3 is newer: released 9/2/2026 vs 2/16/2025.
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Frequently Asked Questions
Which is better for coding — Grok-3 Mini or Muse Spark 1.3?
Which model is cheaper — Grok-3 Mini or Muse Spark 1.3?
Which has a larger context window — Grok-3 Mini or Muse Spark 1.3?
The Grok-3 Mini and Muse Spark 1.3 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Grok-3 Mini or Muse Spark 1.3 page. See also the complete list of AI model comparisons.