// Meta
Muse Spark 1.3
A Meta model. 1 prices across 1 channels side by side, each with its source and check date – plus specs, licence, speed and benchmarks.
- Official in/out per 1M
- —
- Lowest (OpenRouter)
- $1.25 / $4.25
- Context
- 1.05M
- AA index
- 48.1
Prices checked 2026-10-22Official sources linked on every rowNo estimatesCheapest LLM APIs →
01Specs at a glance
Official values first; gaps filled from OpenRouter’s API where the vendor page is silent.
| Vendor | Meta |
|---|---|
| Context window | 1.05M (1,048,576 tokens) |
| Max output | 944K |
| Input | Text · Image · Video · File/PDF |
| Output | Text |
| Tool calling / JSON | Yes / Yes |
| Weights & licence | Closed · Proprietary (API only) |
| Released | Sep 2, 2026 |
| Model IDs | meta/muse-spark-1.3 |
02Prices on 1 channels
Per 1M tokens, in the currency each source publishes (1 USD = 6.7 CNY for the blended column). Sorted: official first, then cheapest.
| Channel | Source | Input | Output | Cache hit | Blended $ | Context | Notes |
|---|---|---|---|---|---|---|---|
| OpenRouter Via OpenRouter / provider listed there | OpenRouter Unverified 10-22 | $1.25 | $4.25 | $0.15 | 2 | 1.05M | OpenRouter list price (lowest-routed); official vendor page not verified |
“Official” = vendor pricing page; “Platform” = the platform’s own pricing page; “OpenRouter” = price listed on OpenRouter, not checked on the platform’s site. Click a source tag to open the original page.
03Where you can use it
Derived only from the price sources above. Country restrictions are set by each vendor – check their terms before you sign up.
- Via OpenRouter / provider listed there
OpenRouter
04Performance
Speed and AA index from Artificial Analysis public leaderboards (not our own tests); benchmark scores from our benchmark library, best result per benchmark.
- AA indexMuse Spark 1.3 (Max)
- 48.1
- Output speed (median)
- 123 tok/s
- Time to first tokenMuse Spark 1.3 (Xhigh): 18.99s
- 64.73s
- AA index per $ (blended)
- 24.05
Default TTFT includes thinking time at the highest reasoning setting; low-effort settings respond much faster.
| Benchmark | Best score | Source | Date |
|---|---|---|---|
| LMArena WebDev | 1626 | official | 2026-10-08 |
| AIME (OTIS Mock AIME 2024–2025) | 99.2% | independent | 2026-09-17 |
05Price changes we recorded
All price changes →From our daily re-checks of the sources above.
No price change recorded since we started tracking (2026-10-10).
06More from Meta
FAQ
How much does the Muse Spark 1.3 API cost?
There is no official pay-as-you-go price in our data. The lowest listed price is $1.25 / $4.25 on OpenRouter.
What is the context window of Muse Spark 1.3?
1.05M tokens of context, up to 944K output tokens. Platforms may cap it lower – see the table.
Is Muse Spark 1.3 open source?
No. It is only available through APIs and the vendor’s apps.