Major Release Meta · Released
Muse Spark
What is Muse Spark?
Muse Spark is a Major Release AI model from Meta, released on April 8, 2026. It has a 262K tokens context window, costs $0.00 per million input tokens, and scores 1490 on Chatbot Arena Elo. It is available via the company's API.
Meta Muse Spark — AA Intelligence Index 52.1, 262K tokens context, reasoning model.
How much does Muse Spark cost?
| Metric | Price |
|---|---|
| input per mtok | $0.00 |
| output per mtok | $0.00 |
Pricing data verified .
What context window does Muse Spark have?
- Context window
- 262K tokens
- Max output
- 131K
- Input modalities
- text, image, audio
- Output modalities
- text
How does Muse Spark score on benchmarks?
| Benchmark | Score |
|---|---|
| GPQA Diamond | 88.4% |
| HLE | 39.9% |
| SciCode | 51.5% |
| TAU2-bench | 91.5% |
| TerminalBench-Hard | 45.5% |
| IF-Bench | 75.9% |
| LiveCodeBench Reasoning | 69.7% |
| AA Intelligence Index | 52.1 |
| Chatbot Arena Elo | 1490 |
Benchmark scores verified .