Muse Spark Open pricing & specs
Meta · released 2026-10-15 · ● verified 2026-10-23
Muse Spark Open is a Meta model released on 2026-10-15. At $1.25 per million input tokens and $4.25 per million output tokens, its blended price of $2.00 per 1M tokens is lower than 33% of the 182 models we track. It offers text and image input, a 1.05M-token context window, built-in reasoning, tool calling and structured output. Its weights are open, and it is available from 3 tracked hosting providers.
Ranked #2 of 19 in Newest AI Models and #13 of 14 in Cheapest Llama Models.
// price history ($/1M tokens)
// cheaper or similar alternatives
| model | in | out | ctx | vs Muse Spark Open |
|---|---|---|---|---|
| Qwen3.7 Flash | $0.03 | $0.13 | 1M | −97.2% |
| Muse Spark 1.2 Contributor | $0.10 | $0.20 | 1.05M | −93.7% |
| Muse Spark 1.3 Contributor | $0.10 | $0.20 | 1.05M | −93.7% |
| Qwen3.5 Flash | $0.10 | $0.40 | 1M | −91.2% |
| Gemini 2.5 Flash-Lite | $0.10 | $0.40 | 1.05M | −91.2% |
// price by host
| host | in $/1M | out $/1M |
|---|---|---|
| Fireworks AI | $1.25 | $4.25 |
| Nebius | $1.25 | $4.25 |
| Together AI | $1.25 | $4.25 |
// embed this price badge
Show the live price of Muse Spark Open in your README or docs (updated daily):
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// faq
How much does Muse Spark Open cost?
Muse Spark Open costs $1.25 per million input tokens and $4.25 per million output tokens (cheapest tracked host: Fireworks AI). At 50M input and 10M output tokens per month that is about $105.
What is the context window of Muse Spark Open?
1.05M tokens, with up to 131.1K output tokens per request.
Does Muse Spark Open support prompt caching?
Yes. Cached input tokens cost $0.15 per million.
What are cheaper alternatives to Muse Spark Open?
Qwen3.7 Flash ($0.03 in / $0.13 out), Muse Spark 1.2 Contributor ($0.10 in / $0.20 out), Muse Spark 1.3 Contributor ($0.10 in / $0.20 out) offer the same input types and capabilities for less.
Is Muse Spark Open open weights?
Yes. It is available from 3 tracked hosts; the cheapest is Fireworks AI at $1.25 input and $4.25 output per million tokens.
// spec sheet
- input / 1M
- $1.25
- output / 1M
- $4.25
- cache read / 1M
- $0.15
- blended (3:1)
- $2.00
- context
- 1.05M
- max output
- 131.1K
- input types
- text · image
- reasoning
- yes
- tool calling
- yes
- structured output
- yes
- open weights
- yes
- knowledge cutoff
- 2026-01-04
- price source
- Fireworks AI
// cost calculator
| model | in $/1M | out $/1M | = monthly |
|---|---|---|---|
| Qwen3.7 Flash | $0.03 | $0.13 | $2.80 |
| Muse Spark 1.2 Contributor | $0.10 | $0.20 | $7.00 |
| Muse Spark 1.3 Contributor | $0.10 | $0.20 | $7.00 |
| Muse Spark Open | $1.25 | $4.25 | $105 |
Base-tier list prices. Long-context tiers, caching and batch discounts are not included.