Muse Spark 1.3 vs Grok 4.7
There is no quality verdict yet: the AIGROW small-business benchmark has not run Muse Spark 1.3. On price, Muse Spark 1.3 costs less: $1.25 in and $4.25 out per million tokens, against $2 in and $6 out for Grok 4.7.
Run Grok 4.7 up to 75% below list price. $25 a month brings $110 of API credit and cancels any time; $25 once buys $100. For long documents, Muse Spark 1.3 reads up to 1.05M tokens at once and Grok 4.7 up to 500K. US dollars, standard rate, shortest context band. Price only: the benchmark has not run both.
- Muse Spark 1.3
- $5.45
- Grok 4.7
- $8.40
- Muse Spark 1.3, per M tokens
- $1.25 / $4.25
- Grok 4.7, per M tokens
- $2 / $6
3,000 tokens in and 400 out each, at list price.
Two newer frontier entrants with low list prices, compared for general business work. 1,000 support replies cost $8.40 on Grok 4.7 and $5.45 on Muse Spark 1.3, so Grok 4.7 costs 54% more. Prices are the makers’ own, checked on 12 November 2026.
What each one costs
The API price per million tokens and the cheapest app plan with each model, from the makers’ own pages. Each name opens that model’s full price page.
- Muse Spark 1.3
- On the Meta API, Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens.
- Grok 4.7
- On the xAI API, Grok 4.7 costs $2 per million input tokens and $6 per million output tokens. Grok has a free plan and paid plans from $8/mo (Plus); the plan list does not name Grok 4.7. Plan prices read 22 October 2026. AIGROW API credit runs Grok 4.7 at $0.50 / $1.50 per million input / output tokens, 75% below list price. See API credit
$25 a month brings $110 of API credit and cancels any time; $25 once buys $100.
Side by side
Each maker’s published rate for its standard tier. Cached input is what a repeated prompt prefix costs once the provider has stored it.
| Fact | Muse Spark 1.3 | Grok 4.7 |
|---|---|---|
| Maker | Meta | xAI |
| Tier | Flagships | Flagships |
| Input, per M tokens | $1.25 | $2.00 |
| Output, per M tokens | $4.25 | $6.00 |
| Cached input | $0.15 | $0.50 |
| Context window | 1.05M | 500K |
| Released | Not published | Sep 2026 |
| Weights | Closed weights | Closed weights |
What a job costs on each
1,000 runs of each job at the two list prices. The gap moves from job to job because the models price input, output and cached context differently.
| Job | Muse Spark 1.3 | Grok 4.7 | Cheaper |
|---|---|---|---|
| Support reply3,000 in, 400 out. | $5.45 | $8.40 | Muse Spark 1.3, 35% less |
| Document summary25,000 in, 1,000 out. | $35.50 | $56.00 | Muse Spark 1.3, 37% less |
| Agent task80,000 in (70,000 cached), 3,000 out. | $35.75 | $73.00 | Muse Spark 1.3, 51% less |
The token counts are ours, chosen to look like real work; the prices are the makers’. A model with no published cache price bills the agent task’s repeated context at its full input rate.
The small print
What each base rate leaves out, from the makers’ own pages: surcharges, discounts, promotions and cache pricing.
- Muse Spark 1.3
- Standard tier; no long-context premium. A Contributor tier (Meta may train on your data) costs $0.10 / $0.20, cached $0.002. Web search grounding $2.50 per 1,000 queries. Release date not stated on the official pages. Meta’s pricing page
- Grok 4.7
- Prompts of 200K tokens or more: $4 / $12, cached $1.00. Batch 20% off in us-east-1 and us-west-2. Release notes give the month only. xAI’s pricing page
Other comparisons
Every head to head on the list that involves Muse Spark 1.3 or Grok 4.7.
Run Grok 4.7 up to 75% below list price
AIGROW API credit covers Grok 4.7 at published rates never above the list prices here, and $25 buys $100 of credit.
Prices checked 12 November 2026