September 2025 checkpoint of Kimi K2 with improved capabilities.
Meta's multimodal reasoning model built for agentic work and real-world coding.
No shared agent demos for these models yet.
No captured outputs for these models yet.
This model hasn't been benchmarked yet.
Both Kimi K2 (0905) and Muse Spark 1.1 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.
Kimi K2 (0905) has a lower blended cost. Kimi K2 (0905): $0.60 input / $2.50 output. Muse Spark 1.1: $1.25 input / $4.25 output.
Muse Spark 1.1 has a larger context window: Kimi K2 (0905) supports 262K tokens vs Muse Spark 1.1 at 1M tokens.
Muse Spark 1.1 supports vision/image input, but Kimi K2 (0905) does not.
Key differences: Kimi K2 (0905) is significantly cheaper; only Muse Spark 1.1 supports vision input; only Muse Spark 1.1 offers extended reasoning mode. Compare full specs on this page.
If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Kimi K2 (0905) and Muse Spark 1.1 for free on idapt.app to see which performs better for your specific needs.