Muse Spark 1.3 Contributor
by Meta · meta/muse-spark-1.3-contributor · #49 cheapest of 422 paid models
Prices updated Sep 19, 2026, 6:22 PM UTC · refreshed hourly
Muse Spark 1.3 Contributor is the cost-efficient contributor tier of Meta’s multimodal reasoning model for experimentation, learning, and early-stage agentic, multi-agent, and coding workflows. It is designed to track information...
Compare vs:Claude Sonnet 5Claude Opus 4.6Claude Haiku 4.5GPT-5.6 Sol
Pricing
Input
$0.10
per 1M tokens
Output
$0.20
per 1M tokens
Blended (3:1)
$0.125
3 input : 1 output
Cache read
$0.0020
per 1M cached tokens
Cache write
—
per 1M tokens
Cache & batch economics
Effective prices for Muse Spark 1.3 Contributor with prompt caching.
| Cache hit rate | Effective blended $/1M | Example request* | vs no cache |
|---|---|---|---|
| 0% | $0.125 | $0.0104 | — |
| 50% | $0.088 | $0.0055 | −47% |
| 90% | $0.059 | $0.00158 | −85% |
*Example: 100K sticky context + 2K new input + 1K output. Batch discount is an approximate 50% off list rates (available for OpenAI / Anthropic / Google — not flagged for this creator). Confirm on the vendor’s pricing page.
What a request costs
| Workload | Input tokens | Output tokens | Cost / request | Cost / 1K requests |
|---|---|---|---|---|
| Short chat message | 500 | 300 | $0.00011 | $0.11 |
| Document summary | 8,000 | 1,000 | $0.001 | $1.00 |
| Codebase question (RAG) | 30,000 | 2,000 | $0.0034 | $3.40 |
| Long-context analysis | 150,000 | 5,000 | $0.016 | $16.00 |
Specs
Context window
1.05M
tokens
Max output
944K
tokens
Input modalities
text, image, video, file, audio
Tokenizer
Other