Calculate the cost of using muse-spark-open from OpenRouter for your AI applications
Pricing data last updated:
Mode: Chat
Max: 1,048,576 tokens
Max: 943,718 tokens
Built for enterprise-grade reliability, governance, and scale. Deploy in seconds.
muse-spark-open is a chat model from OpenRouter, one of 502 chat models they offer. It is priced at $1.25 per 1M input tokens and $4.25 per 1M output tokens, ranking 2587 out of 3778 chat models by cost and cheaper than 31% of models in this category. muse-spark-open supports vision, function calling, reasoning, audio input, prompt caching, structured output. Its 1,049K-token context window is in the top 14% among chat models.
Note: Use the interactive calculator above to estimate costs for your specific usage patterns.
Use the maximum token limits shown above to understand the model's capacity. This model can handle up to 1,048,576 input tokens. The maximum output length is 943,718 tokens.
At $1.25 per 1M input tokens and $4.25 per 1M output tokens, muse-spark-open ranks 2587 out of 3778 chat models by input cost. It is more expensive compared to the median of $0.60 for chat models, and is cheaper than 31% of models in this category.
muse-spark-open is one of 502 OpenRouter chat models, with support for vision, function calling, reasoning, audio input, prompt caching, structured output. its 1,049K-token context window places it in the top 14% of chat models.
| Model | Provider | Input / 1M tokens | Output / 1M tokens | vs muse-spark-open |
|---|---|---|---|---|
| gemini-2.5-pro | Vertex AI | $1.25 | $10.00 | 0% |
| gemini-3.5-flash | Vertex AI | $1.50 | $9.00 | +20% |
| gemini-2.5-pro | Google Gemini | $1.25 | $10.00 | 0% |
Similar chat models from other providers
No. muse-spark-open costs $1.25 per 1M input tokens while gemini-2.5-pro costs $1.25 per 1M input tokens, making gemini-2.5-pro 0% more affordable for input. However, muse-spark-open may offer different capabilities or performance characteristics that justify the price difference.
muse-spark-open input pricing is $1.25 per 1M tokens, which is 108% above the median of $0.60 for chat models. It ranks 2587 out of 3778 chat models by input cost, making it cheaper than 31% of models in this category. For output, it costs $4.25 per 1M tokens compared to the median of $1.75.
Among OpenRouter's 502 chat models, muse-spark-open ranks 313 by input cost.
The most comparable chat models to muse-spark-open are: gemini-2.5-pro from Vertex AI ($1.25/1M input tokens); gemini-3.5-flash from Vertex AI ($1.50/1M input tokens); gemini-2.5-pro from Google Gemini ($1.25/1M input tokens); gemini-3.5-flash from Google Gemini ($1.50/1M input tokens). These alternatives were selected based on similar capabilities, pricing, and provider diversity. You can compare any of these models in detail using the Bifrost Model Library.
muse-spark-open supports up to 1,048,576 input tokens, placing it in the top 14% of chat models by context window size (rank 352 of 3499). This makes it suitable for processing long documents, extensive code repositories, or maintaining detailed conversation histories.
You can monitor OpenRouter service health in real time on the Bifrost OpenRouter Status page. It tracks current component status, active incidents, and historical reliability data pulled from the official status page every 60 seconds.
muse-spark-open is priced based on input and output tokens. Use the interactive calculator at the top of this page to estimate costs for your specific workload. Enter your expected input and output tokens volume and the calculator will show the total cost breakdown. For reference, processing 1M input tokens costs $1.25 and generating 1M output tokens costs $4.25.