Muse Spark 1.3 Contributor pricing and routing profile
Muse Spark 1.3 Contributor from Meta lists at $0.10 per million input tokens and $0.20 per million output tokens, with a 1,048,576-token context window. Prices from OpenRouter's catalogue on 2026-09-28.
Tool callingStructured outputReasoning control
Cost per 1,000 requests
| Request shape | List cost |
|---|---|
| Classification or routing (600 tokens in, 10 out) | $0.062 |
| Chat reply (2,000 in, 400 out) | $0.28 |
| Retrieval-augmented answer (8,000 in, 500 out) | $0.90 |
Before prompt caching. Try your own shape in the cost calculator.
Can Gimbix route to it first?
Not as a first-answer model through OpenRouter: no host returns token log probabilities for Muse Spark 1.3 Contributor. It can still be the model Gimbix falls back to when a cheaper model is unsure.
Cheaper models that can answer first
Models priced below Muse Spark 1.3 Contributor that expose a confidence signal. Whether they answer your traffic as well is what a Gimbix pilot measures.
| Model | Input / output per 1M | Cheaper on a chat reply |
|---|---|---|
| Nemotron 3.5 Lightning | $0.08 / $0.20 | 14% |
| Nemotron 3 Nano 30B A3B | $0.05 / $0.20 | 36% |
| Llama 3.1 8B Instruct | $0.05 / $0.08 | 53% |
| Qwen3.7 Flash | $0.03 / $0.13 | 60% |
| Granite 4.0 Micro | $0.017 / $0.112 | 72% |
| gpt-oss-20b | $0.018 / $0.09 | 74% |
Questions
How much does Muse Spark 1.3 Contributor cost?
Muse Spark 1.3 Contributor lists at $0.10 per million input tokens and $0.20 per million output tokens on OpenRouter as of 2026-09-28. A typical chat reply of 2,000 input and 400 output tokens costs about $0.28 per 1,000 requests.
What is the context window of Muse Spark 1.3 Contributor?
1,048,576 tokens.
Can a cheaper model replace Muse Spark 1.3 Contributor?
Sometimes. Gimbix proves it on your own traffic before routing: the cheaper model must match Muse Spark 1.3 Contributor on one half of your requests and make at most three answers worse on the other.