List price
Input / 1M$1.25Output / 1M$4.25Cache read / 1M$0.15Blended$3.500Value index174.6Last move—
models.dev · MIT · retrieved Oct 24, 2026
Meta
Muse Spark 1.3
Muse Spark 1.3 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: 2026-09-02. LMArena's text board published 2026-10-20 gives it an overall rating of 1490.5 (rank 12, 19,323 votes). Price source: models.dev (MIT).
- Context100
- Inverse price99
- Arena90
- 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 | 1490.5 | rank 12 · 19,323 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena coding | 1510.2 | rank 14 · 4,958 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| LMArena math | 1496.9 | rank 17 · 948 votes | LMArena leaderboard dataset · CC-BY-4.0 |
| GPQA Diamond | — | — | — |
| LiveBench | — | — | — |
| SWE-bench Verified | — | — | — |
| Epoch Capability Index | 157.21 | 155.26–159.82 | 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 | Opper | $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, audioOutputtextReleased2026-09-02Open weightsNo
Spec fields are from the models.dev row for Meta.