Muse Spark 1.1 vs Kimi K3 vs Grok 4.5
Three of the newest flagships in the catalog. New models carry launch benchmarks; the live telemetry plane fills in measured speed and reliability as traffic accrues.Last reviewed 2026-07-17.
Muse Spark 1.1 vs Kimi K3 vs Grok 4.5
Meta's multimodal reasoning model built for agentic work and real-world coding.
MoonshotAI's 2.8T-parameter flagship for complex coding, knowledge work, and long-horizon agent runs.
xAI's Opus-class flagship for frontier coding, agentic tool use, and knowledge work.
No captured outputs for these models yet.
Frequently asked
Which of Muse Spark 1.1, Kimi K3, and Grok 4.5 is the cheapest?
Muse Spark 1.1 has the lowest blended list price. Per 1M tokens: Muse Spark 1.1 at $1.25 in / $4.25 out; Kimi K3 at $3.00 in / $15.00 out; Grok 4.5 at $2.00 in / $6.00 out.
Which of Muse Spark 1.1, Kimi K3, and Grok 4.5 has the largest context window?
Muse Spark 1.1 leads with 1M tokens. The other two: Kimi K3 at 1M, Grok 4.5 at 500K.
Do Muse Spark 1.1, Kimi K3, and Grok 4.5 support image input?
Yes, all three accept images.
Where can I run Muse Spark 1.1, Kimi K3, and Grok 4.5 side by side?
This idapt comparison runs all three in aligned columns: the same prompt, plus benchmarks, specs, and prices per model. Open any model in chat from its column to keep working with it.