Muse Spark 1.3 Contributor API Pricing — $0.10/M input, $0.20/M output
The same model and capabilities as Muse Spark 1.3, at up to 95% less than Standard. Inputs and outputs are used to train and improve Meta's AI models. Rate-limited by tokens.
Full specs, context window and API limits →How much does Muse Spark 1.3 Contributor cost per million tokens?
Muse Spark 1.3 Contributor, from Meta, charges $0.10 per million input tokens and $0.20 per million output tokens — $0.13 per million blended at a 3:1 input:output ratio. That makes it cheaper than GPT-OSS 20B on a blended-token basis.
How much does Muse Spark 1.3 Contributor cost per 1,000 requests?
Computed from generated token pricing. Each row assumes the listed input and output tokens per request; output is adjusted by this model's measured 12.95× verbosity factor.
| Request shape | Input tokens | Output tokens | Cost / 1,000 requests |
|---|---|---|---|
| Short | 100 | 50 | $0.1395 |
| Medium | 1,000 | 500 | $1.3950 |
| Long | 4,000 | 2,000 | $5.5800 |
Formula: ((input price × input tokens) + (output price × output tokens × verbosity factor)) ÷ 1,000,000 × 1,000. Assumptions: short 100/50, medium 1,000/500, long 4,000/2,000 input/output tokens per request. Verbosity run: 2026-06-16T20:31:30.728Z.
How fast is Muse Spark 1.3 Contributor?
How much does Muse Spark 1.3 Contributor cost at scale?
| Tokens / month | Est. cost (blended 3:1) |
|---|---|
| 100,000 | $0.01 |
| 1,000,000 | $0.13 |
| 10,000,000 | $1.25 |
| 100,000,000 | $12.50 |
How does Muse Spark 1.3 Contributor compare with other models?
What is Muse Spark 1.3 Contributor best for?
What should you explore next for Muse Spark 1.3 Contributor?
What are common questions about Muse Spark 1.3 Contributor?
Is Muse Spark 1.3 Contributor cheaper than GPT-OSS 20B?
Muse Spark 1.3 Contributor costs $0.13/M blended tokens, GPT-OSS 20B costs $0.13/M — Muse Spark 1.3 Contributor is cheaper.
How much does 1 million tokens cost with Muse Spark 1.3 Contributor?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $0.13. Pure input costs $0.10/M; pure output costs $0.20/M.
What does Muse Spark 1.3 Contributor cost at high volume?
At 100 million blended tokens a month, Muse Spark 1.3 Contributor costs approximately $12.50. See the cost-at-scale table below for other volumes.