Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.
Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, and PDF documents, returns text, and offers a 1M-token context window....
Context
1.05M
1,048,576 tokens
Max output
131K
131,072 tokens
Input
$1.25
per 1M tokens
Output
$4.25
per 1M tokens
Providers
18
24 listings
Intelligence
39.6
Intelligence Index
Pricing
USD per 1M tokens · listed by Meta
| Token type | Standard |
|---|---|
| Input | $1.25 |
| Output | $4.25 |
| Cache read | $0.15 |
Lowest input price across providers: Free.
Capabilities
ReasoningYes
Effort: minimal, low, medium, high, xhigh
Tool callYes
Structured outputYes
TemperatureYes
AttachmentsYes
Interleaved reasoningYes
Field: reasoning_details
Open weightsNo
ModeratedYes
Input
TextImageVideoPDFAudio
Output
Text
Benchmarks
Published scores and Design Arena Elo
- Intelligence39.6#30 of 208
- Coding72.2#17 of 112
- Agentic43.2#16 of 86
- Arena1,219#33 of 128
| Design Arena category | Elo | Win rate | Arena rank |
|---|---|---|---|
| Data viz | 1,333 | 57.7% | #8 |
| Code | 1,311 | 52.1% | #12 |
| Website | 1,311 | 52.2% | #10 |
| Game dev | 1,301 | 50.5% | #19 |
| 3D | 1,300 | 51.8% | #20 |
| UI component | 1,296 | 51.9% | #19 |
| ASCII art | 1,280 | 55.5% | #4 |
| SVG | 1,279 | 55.0% | #14 |
| Android native | 1,225 | 53.3% | #10 |
| Web apps | 1,221 | 50.2% | #18 |
| Full stack | 1,210 | 48.0% | #15 |
| Mobile apps | 1,181 | 47.7% | #22 |
| Slides (python-pptx) | 1,150 | 48.5% | #18 |
| Agentic game dev | 1,142 | 42.4% | #16 |
| Blender 3D | 1,083 | 40.3% | #18 |
| Spreadsheet | 1,077 | 45.0% | #19 |
| HTML slides | 1,031 | 40.0% | #22 |
Rankings
Position on each OneAtlas leaderboard
Providers · 18
24 listings
Meta
NanoGPT
LLM Gateway
Vercel AI Gateway
Kilo Gateway
Eden AI
DevPass (LLM Gateway)
AI/ML API
AIHubMix
OpenCode
OrcaRouter
Abacus
Cloudflare AI Gateway
CommandCode
EmpirioLabs AI
Opper
OpenCode Go
LLMTR| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Abacus | muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| AI/ML API | meta/muse-spark-1.2 | 1.05M | — | 131K | $1.32 | $4.50 | — | $0.16 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| AIHubMix | muse-spark-1.2 | 1.05M | — | 131K | $1.38 | $4.67 | — | — | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Cloudflare AI Gateway | meta/muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.16 | — | — | — | Yes | Yes | No | Yes | Aug 5, 2026 |
| CommandCode | meta/muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| CommandCode | meta/muse-spark-1.2-contributor | 1.05M | — | 131K | $0.10 | $0.20 | — | $0.002 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| DevPass (LLM Gateway) | muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| DevPass (LLM Gateway) | muse-spark-1.2-contributor | 1.05M | — | 1.05M | $0.10 | $0.20 | — | $0.002 | — | — | — | Yes | Yes | Yes | Yes | Aug 6, 2026 |
| Eden AI | meta/muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| EmpirioLabs AI | muse-spark-1-2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $1.00 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Kilo Gateway | meta/muse-spark-1.2 | 1.05M | — | 944K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Kilo Gateway | meta/muse-spark-1.2-contributor | 1.05M | — | 944K | $0.10 | $0.20 | — | $0.002 | — | — | — | Yes | Yes | Yes | Yes | Aug 21, 2026 |
| LLM Gateway | meta/muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| LLMTR | meta/muse-spark-1.2-contributor | 1.05M | — | 131K | $0.10 | $0.20 | — | $0.002 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Meta | muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Meta | muse-spark-1.2-contributor | 1.05M | — | 131K | $0.10 | $0.20 | — | $0.002 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| NanoGPT | meta/muse-spark-1.2 | 1M | 1M | 66K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| OpenCode | muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| OpenCode | muse-spark-1.2-contributor-free | 1.05M | — | 131K | Free | Free | — | Free | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| OpenCode Go | muse-spark-1.2-contributor | 1.05M | — | 131K | $0.10 | $0.20 | — | $0.002 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Opper | muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| OrcaRouter | meta/muse-spark-1.2 | 1.05M | — | 131K | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Vercel AI Gateway | meta/muse-spark-1.2 | 1.05M | — | 1.05M | $1.25 | $4.25 | — | $0.15 | — | — | — | Yes | Yes | Yes | Yes | Aug 5, 2026 |
| Vercel AI Gateway | meta/muse-spark-1.2-contributor | 1.05M | — | 1.05M | $0.10 | $0.20 | — | $0.002 | — | — | — | Yes | Yes | Unknown | Unknown | Aug 5, 2026 |