Muse Spark Open pricing
Source: openrouter · updated 2026-10-27
Short answer: Muse Spark Open costs $1.25 per million input tokens and $4.25 per million output tokens. That is a 3:1 blended rate of $2.00 per million tokens, ranking it #496 of 704 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $1.25 |
| Output, per 1M tokens | $4.25 |
| Output รท input multiple | 3.40× |
| 3:1 blended, per 1M tokens | $2.00 |
| Context window | 1,048,576 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $1.25 | $1.06 | $2.31 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $12.50 | $10.62 | $23.12 | ||||
| 100M in / 25M out | $125 | $106 | $231 |
Other meta models
| Model | Input | Output |
|---|---|---|
| Muse Spark 1.3 Contributor | $0.100 | $0.200 |
| Muse Glimmer 30 B | $0.300 | $1.20 |
| Muse Spark 1.3 | $1.25 | $4.25 |
| Muse Spark 1.2 | $1.25 | $4.25 |
| Muse Spark 1.1 | $1.25 | $4.25 |
Cheaper alternatives
Next cheaper option: DeepSeek V4 Pro 0813 at $1.32 per 1M input tokens. Next step up: Mistral Large 4.0 at $1.36 per 1M input tokens.