AI Model Atlas / Meta
Muse Spark 1.2
One million input tokens cost $1.25 and one million output tokens $4.25. Context window: 1M tokens, about 1,748 A4 pages.
What it costs in practice
Pricing per million tokens doesn't mean anything to anyone, so I convert it to three tasks that people actually give to models. The usage assumptions are listed for each row so you can verify them.
| Task | Input | Output | Cost |
|---|---|---|---|
| 1500-word articlebrief plus finished text in English | 1,500 tokens | 2,200 tokens | $0.01 |
| 100 chat queries700 tokens per question and 400 per answer | 70,000 tokens | 40,000 tokens | $0.26 |
| Hour of work with an agentagent reads repository and writes fixes | 250,000 tokens | 30,000 tokens | $0.44 |
Technical details
| Provider | Meta |
| Modalities | text + image + video + files → text |
| Context window | 1M tokens (~1,748 A4 pages) |
| Maximum response | 944k tokens |
| Step-by-step reasoning | yes |
| Tool calling | yes |
| Forced JSON format | yes |
| Knowledge cutoff | not specified |
| Cache read | $0.15 per million |
| Content moderation | yes, provider filters |
How it compares to the rest
The database contains 469 models. In terms of input pricing Muse Spark 1.2 is more expensive than 69 percent of paid models. A longer context window is available in 54 models.
Input price history
2026-09-08 · $1.252026-11-11 · $1.25
The chart shows the price of a million input tokens on consecutive measurement days. History starts on the day I launched the atlas and grows with each day. I don't backfill data.
Alternatives at a similar price
Models from other providers whose cost for the same article comes out closest.
| Model | Input / M | Output / M | 1500-word article | Context |
|---|---|---|---|---|
| GLM 5.1Z.ai | $1.33 | $4.18 | $0.01 | 205k |
| Gemini 3.5 Flash (batch)Google | $0.75 | $4.50 | $0.01 | 1M |
| GPT-5.4 MiniOpenAI | $0.75 | $4.50 | $0.01 | 400k |
| GLM 5V TurboZ.ai | $1.20 | $4.00 | $0.01 | 203k |
Compare Muse Spark 1.2 with another model or go back to the full database 469 models.