List price
Input / 1M$1.25Output / 1M$4.25Cache read / 1M$0.15Blended$3.500Value index148.1Last move—
models.dev · MIT · retrieved Oct 23, 2026
Meta
Muse Spark 1.2
Muse Spark 1.2 is listed by Meta at $1.25 input and $4.25 output per million tokens. The recorded context window is 1,048,576 tokens. Release date on file: 2026-08-05. LMArena's text board published 2026-10-20 gives it an overall rating of 1482.4 (rank 17, 9,578 votes). Price source: models.dev (MIT).
- Context100
- Inverse price99
- Arena88
- GPQA—
- Tools100
- Modalities100
Price history
Input and output list price. A missing day stays a gap in the line. The series is not a quality history.
Benchmarks
LMArena is CC-BY-4.0. Epoch scores, including LiveBench where Epoch publishes it, are CC-BY-4.0. A blank cell means this snapshot has no match. Nothing here is estimated.
| Benchmark | Score | Detail | Source |
|---|---|---|---|
| LMArena overall | 1482.4 | rank 17 · 9,578 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena coding | 1505.2 | rank 18 · 2,474 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena math | 1483.6 | rank 30 · 484 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| GPQA Diamond | — | — | — |
| LiveBench | — | — | — |
| SWE-bench Verified | — | — | — |
| Epoch Capability Index | 155.05 | 152.82–157.56 | Epoch AI Capabilities & benchmarking · CC-BY-4.0 |
Provider prices
The list row is the price used for the value index. Other rows are the same model id on models.dev, plus the LiteLLM catalog price when we have one. A split quote is kept beside the list price.
| Quote | Provider | Input / 1M | Output / 1M | Blended | Source |
|---|---|---|---|---|---|
| List | Meta | $1.25 | $4.25 | $3.500 | models.dev · MIT |
| Also listed | AI/ML API | $1.32 | $4.50 | $3.703 | models.dev · MIT |
| Also listed | NanoGPT | $1.25 | $4.25 | $3.500 | models.dev · MIT |
| Also listed | Abacus | $1.25 | $4.25 | $3.500 | models.dev · MIT |
| LiteLLM | meta | $1.25 | $4.25 | $3.500 | LiteLLM model_prices_and_context_window.json · MIT |
Spec
Context1,048,576Max output131,072Inputtext, image, video, pdf, audioOutputtextReleased2026-08-05Open weightsNo
Spec fields are from the models.dev row for Meta.