Which is cheaper, Muse Spark 1.2 and Kimi K3?

Muse Spark 1.2 has the lowest input price. Per 1M input tokens: Muse Spark 1.2 from $1.25 and Kimi K3 from $2.70.

Which is better for coding, Muse Spark 1.2 and Kimi K3?

Kimi K3 scores highest on the Artificial Analysis Coding Index: Muse Spark 1.2 72.2 and Kimi K3 76.2.

Can I switch between Muse Spark 1.2 and Kimi K3 without changing my code?

Yes. All of them are served through FastRouter's OpenAI-compatible API, so switching is a change of the model parameter (meta/muse-spark-1.2, moonshotai/kimi-k3).

Muse Spark 1.2 vs Kimi K3

Side-by-side pricing per provider, context window, benchmark scores and speed, all on one OpenAI-compatible API.

Muse Spark 1.2 Metameta/muse-spark-1.2

Kimi K3 MoonshotAImoonshotai/kimi-k3

Creator

Muse Spark 1.2 vs Kimi K3: summary

Muse Spark 1.2 and Kimi K3 are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

Muse Spark 1.2, from Meta, has a 1,048,576-token context window, costs $1.25/1M input and $4.25/1M output tokens and scores 39.6 on the Artificial Analysis Intelligence Index.

Kimi K3, from MoonshotAI, has a 1,048,576-token context window, costs from $2.70/1M input and $13.50/1M output tokens across 4 providers and scores 43.6 on the Artificial Analysis Intelligence Index.

Muse Spark 1.2 is the cheapest on input, 2.2× cheaper than the next model, Kimi K3 scores highest for intelligence and Kimi K3 leads on coding.

Switch with one line

client = OpenAI(base_url="https://api.fastrouter.ai/api/v1", api_key="<FASTROUTER_API_KEY>") client.chat.completions.create(model="meta/muse-spark-1.2", messages=[...]) # or client.chat.completions.create(model="moonshotai/kimi-k3", messages=[...])

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Benchmark scores sourced from ArtificialAnalysis