Meta: Muse Spark 1.3
The Meta: Muse Spark 1.3 is a comprehensive AI model that supports multiple input modalities, including text, image, video, file, and audio inputs, with a context length of up to 1048576 tokens. It also enables the use of tools for specific tasks and supports reasoning capabilities. When considering this model for use, its price point may be worth evaluating: at $1.25 per million input tokens and $4.25 per million output tokens, it falls within the range of more expensive options. However, its benchmark performance across 3 independent assessments stands out, with a blended score of 99.3. Those seeking to leverage multiple data types in their workflows may find this model's capabilities appealing, particularly if they prioritize robustness over cost.
Benchmark results
Independent, published benchmarks. Blended score 99.3 across 3 benchmarks, last refreshed 2026-09-04. How scoring works →
| Benchmark | Measures | Score |
|---|---|---|
| AI Index | broad capability composite | 100.0 |
| AI Index Coding | software engineering tasks | 100.0 |
| AI Index Agentic | multi-step tool-using tasks | 97.8 |
- Model ID
- meta/muse-spark-1.3
- Vendor
- meta
- Released
- September 2026
- Tokenizer
- Other
- Input Modalities
- text, image, video, file, audio
- Output Modalities
- text
- Max Output
- 943,718 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- ✓ accepts audio
- Moderated
- yes
What it costs in practice
Computed from the current $1.25/M input and $4.25/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.04 |
| Classify 1,000 customer emails | 500k in / 50k out | $0.84 |
| A month of a busy support chatbot | 5M in / 2M out | $14.75 |
Strong choice for
Browser Automation
Function / Tool Calling
Audio Summarization
TTS Replacement
Video Summarization
Category rankings
Where Meta: Muse Spark 1.3 places across the 61 categories it ranks in. How we rank →
| # | Category | Score |
|---|---|---|
| #2 | TTS ReplacementVoice · of 25 ranked | 115 |
| #3 | Audio SummarizationVoice · of 25 ranked | 162 |
| #3 | Video SummarizationVideo · of 25 ranked | 162 |
| #4 | Function / Tool CallingAgents · of 25 ranked | 158 |
| #5 | Browser AutomationAgents · of 25 ranked | 178 |
| #6 | Regex WritingCode · of 25 ranked | 138 |
| #6 | Data AnalysisData · of 25 ranked | 177 |
| #6 | Language TranslationWriting · of 25 ranked | 138 |
| #6 | Sales / Cold EmailBusiness · of 25 ranked | 124 |
| #6 | Resume WritingBusiness · of 25 ranked | 119 |
| #6 | Job Application DraftingBusiness · of 25 ranked | 124 |
| #6 | SOP / Process DocsBusiness · of 25 ranked | 139 |
| #6 | Journaling HelperPersonal · of 25 ranked | 124 |
| #6 | Recipe GenerationPersonal · of 25 ranked | 124 |
| #6 | Tutoring for KidsPersonal · of 25 ranked | 138 |
| #7 | Marketing CopyWriting · of 25 ranked | 133 |
| #7 | Financial AnalysisProfessional · of 25 ranked | 164 |
| #7 | Standardized Test PrepEducation · of 25 ranked | 133 |
| #7 | Diagram ExtractionVision · of 25 ranked | 151 |
| #7 | Chart & Graph ReadingVision · of 25 ranked | 155 |
| #9 | SQL GenerationCode · of 25 ranked | 176 |
| #9 | Frontend Component DesignCode · of 25 ranked | 149 |
| #9 | OCR / Document ParsingData · of 25 ranked | 148 |
| #9 | Table Extraction from PDFsData · of 25 ranked | 148 |
| #9 | Math TutoringEducation · of 25 ranked | 151 |
| #9 | Screenshot DebuggingVision · of 25 ranked | 145 |
| #9 | Fitness CoachingPersonal · of 25 ranked | 137 |
| #9 | Experiment DesignResearch · of 25 ranked | 161 |
| #11 | Blog Post WritingWriting · of 25 ranked | 143 |
| #11 | Agent WorkflowsAgents · of 25 ranked | 200 |
| #11 | Coding AgentsAgents · of 25 ranked | 200 |
| #11 | Trip PlanningPersonal · of 25 ranked | 143 |
| #12 | Unit Test GenerationCode · of 25 ranked | 157 |
| #12 | CI/CD PipelinesCode · of 25 ranked | 147 |
| #13 | Code ReviewCode · of 25 ranked | 171 |
| #13 | Bug FixingCode · of 25 ranked | 187 |
| #13 | Creative WritingWriting · of 25 ranked | 161 |
| #13 | Screenwriting & DialogWriting · of 25 ranked | 161 |
| #13 | Academic WritingWriting · of 25 ranked | 161 |
| #13 | Legal DraftingProfessional · of 25 ranked | 161 |
| #13 | Physics TutoringEducation · of 25 ranked | 151 |
| #13 | Essay GradingEducation · of 25 ranked | 171 |
| #13 | OKRs & Strategic PlanningBusiness · of 25 ranked | 161 |
| #13 | Character RoleplayPersonal · of 25 ranked | 153 |
| #13 | Math ProofsResearch · of 25 ranked | 161 |
| #13 | Scientific CodingResearch · of 25 ranked | 187 |
| #14 | Code DocumentationCode · of 25 ranked | 144 |
| #15 | ETL ScriptingData · of 25 ranked | 157 |
| #15 | Long-Document SummarizationWriting · of 25 ranked | 163 |
| #15 | Medical Note SummarizationProfessional · of 25 ranked | 157 |
| #15 | History TutoringEducation · of 25 ranked | 147 |
| #16 | Code RefactoringCode · of 25 ranked | 167 |
| #16 | Legal ResearchProfessional · of 25 ranked | 171 |
| #16 | Contract ReviewProfessional · of 25 ranked | 181 |
| #16 | Scientific ResearchProfessional · of 25 ranked | 171 |
| #16 | RFP ResponseBusiness · of 25 ranked | 177 |
| #16 | RAG PipelinesAgents · of 25 ranked | 167 |
| #16 | Long-Context Q&AAgents · of 25 ranked | 157 |
| #16 | Fiction CollaboratorPersonal · of 25 ranked | 171 |
| #16 | Literature ReviewResearch · of 25 ranked | 171 |
| #17 | CSV / Spreadsheet CleanupData · of 25 ranked | 155 |
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Quick answers
- How much does Meta: Muse Spark 1.3 cost?
- $1.25 per million input tokens and $4.25 per million output tokens.
- What is Meta: Muse Spark 1.3's context window?
- 1,048,576 tokens, roughly 1,572 pages of text in a single request.
- Does Meta: Muse Spark 1.3 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Meta: Muse Spark 1.3 process images?
- Yes, it accepts image input.