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Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers...
Running this yourself: likely needs a high-memory cloud gpu.
OpenRouter
Price record: 2026-10-15. Source: openrouter.
No current subscription pricing is tracked for this model.
Confirm this specific model, usage limits, and billing terms with the provider. A subscription does not automatically include API credits.
No login needed to compare. Prices are in USD; provider charges are separate from AI Market Cap plans. Context length, caching, tools, taxes, and regional terms can change the final cost. Open weights do not mean free hosting.
26.0
Quality Score
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Arena ELO
Unknown
Parameters
1M
Context
This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.
11 of 22 public signals
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Oct 2026
Released
3/5 signals
1/4 signals
4/5 signals
1/4 signals
2/4 signals
Gaps we are still tracking
Start with the simple view: the cheapest reliable option, the official provider price, and the best places to try or deploy this model. The detailed table stays below if you want the full pricing breakdown.
Public pricing, no login required. Rates are in USD and billed by the provider, separately from AI Market Cap data plans. Confirm billing cycle, taxes, usage caps, and specific model availability before purchasing. A subscription does not automatically include API credits; context length, caching, and tools can change usage costs.
Official provider access is separated from brokers and routers, so the lowest price does not get confused with the first-party route.
| Provider | Access | Primary Price | Output $/M | Speed | TTFT |
|---|---|---|---|---|---|
| OpenRouterBest priced Source: openrouter | Broker / Router | $1.25/M | $4.25 | --- | --- |